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2004 LEGACY SERVICE MANUAL QUICK REFERENCE INDEX

Contents

1. 1 213 114151 1617 BERG C 19 1 2 3 4 5 6 7 1011 9 10 11 12 13 14 15 16 17 18 19 20 11 12 13 14 15116117 18 19 0 21 22 23 24 25126 15 1 19 20 1 2 23 24 25 6 21 22 jesje es 26 27 98 20 30 27 e o 2o 31 se a5 34 5 36 7 6 39 40 41 42 00030 LAN diag 54 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK VDC ABSCM Is DTC other than CAN com Perform the diag Replace the VDC Read the DTC of VDC ABSCM using Subaru displayed nosis according to ABSCM Ref to Select Monitor DTC ABS 6 ABS Con trol Module and Hydraulic Control Unit ABSCM amp H U Ref to VDC 7 VDC Control Module amp Hydrau lic Control Unit VDCCM amp H U LAN diag 55 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS O DTC B0221 CAN HS ECM NO RECEIVE DATA DTC DETECTING CONDITION Defective ECM If error is in the main harness Diagnostic Trouble Code DTC P0600 High speed CAN cir cuit is input simultaneously TROUBLE SYMPTOM Engine malfunction indicator light illuminates Er HC is displayed in odo trip meter WIRING DIAGRAM BODY INTEGRATED
2. 1 2 3 4 5 6 7 8 11213 415 6 7 1213 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 8 9 101111213 1415116 17 11819120 8 9 10111213 1415116171819 24125 26 27 28 29 30 31 32 33 3435 21122 23 24 25 26 27 28 29 30 20 21 22 23 24 25 26 27 28 LANO0108 LAN diag 12 Control Module Signal LAN SYSTEM DIAGNOSTICS C LAN SYSTEM LANOO109 1 integrated unit 8 X Audio A C control panel 15 Subaru Select Monitor communi 2 ECM 9 Navigation system cation line 3 10 Center display 16 Subaru Select Monitor 4 VDC ABSCM 11 Combination meter 17 Low speed CAN Body integrated 5 Steering angle sensor 12 Clock unit 6 Keyless entry receiver 13 Exclusive communication line 18 High speed CAN Driving control 7 control unit 14 IE Bus AV LAN diag 13 Subaru Select Monitor LAN SYSTEM DIAGNOSTICS 6 Subaru Select Monitor A OPERATION 1 READ DIAGNOSTIC TROUBLE CODE DTC NOTE DTC is displayed in the sequence of inputting When inputting more than two simultaneously DTC is displayed in the sequence of priority When more than two DTCs are displayed per form the diagnosis of top of them 1 Prepare the Subaru Select Monitor kit LANO00014
3. RO 112131215 6 7 8 9 B 8280 BODY INTEGRATED UNIT 121314 151617 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 REF TO GND 03 REF TO GND 02 LANO00022 LAN diag 34 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK FUSE No 7 1 Turn the ignition switch to OFF 2 Remove the fuse No 7 Is the fuse blown out Replace the fuse No 7 If the replaced fuse has blown out easily repair the short cir cuit in harness between fuse No 7 and bogy inte grated unit Go to step 2 CONTINUITY CHECK OF WIRING HAR NESS 1 Disconnect the connector B281 from body integrated unit 2 Measure the voltage between body inte grated unit connector and chassis ground Connector amp terminal B281 No 2 Chassis ground Is the voltage more than 10 V Go to step 3 Repair the har ness for open or shorted circuit between body inte grated unit and fuse CHECK POOR CONTACT IN CONNECTORS Is there poor contact in body integrated unit connector Repair the poor contact connector Go to step 4 CHECK BODY INTEGRATED UNIT HAR NESS 1 Connect all the connectors 2 Perform the clear memory mode 3 Read DTC Is the same DTC displayed LAN diag 35
4. LANOO021 LAN diag 30 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK IGNITION SWITCH Is the ignition switch ON Go to step 2 Turn the ignition switch to ON and select Integ Unit mode using Sub aru Select Monitor CHECK BATTERY 1 Turn the ignition switch to OFF 2 Measure the battery voltage Is the voltage more than 11 V Go to step 3 Charge or replace the battery CHECK BATTERY TERMINAL Is there poor contact at battery terminal Repair or tighten the battery termi nal Go to step 4 CHECK COMMUNICATION OF SUBARU SE LECT MONITOR 1 Turn the ignition switch to ON 2 Using the Subaru Select Monitor check whether communication to other systems can be executed normally Are system and model year displayed Go to step 7 Go to step 5 CHECK COMMUNICATION OF SUBARU SE LECT MONITOR 1 Turn the ignition switch to OFF 2 Disconnect the body integrated unit con nector 3 Turn the ignition switch to ON 4 Check whether communication to other systems can be executed normally Are system and model year displayed Go to step 7 Go to step 6 CHECK HARNESS CONNECTOR BETWEEN EACH CONTROL UNIT AND SUBARU SE LECT MONITOR 1 Turn the ignition switch to ON 2 Disconnect the body integrated unit con nector 3 Measure the resistance between data
5. 3 4 7 8 12 13 14 15 16 17 18 19 20 21 22 23 24 BODY INTEGRATED UNIT REF TO GND 03 REF TO GND 02 LANOO023 LAN diag 40 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK FUSE No 31 1 Turn the ignition switch to OFF 2 Remove the fuse No 31 Is the fuse blown out Replace the fuse No 31 If the replaced fuse has blown out easily repair the short cir cuit in harness between fuse No 31 and body inte grated unit Go to step 2 CONTINUITY CHECK OF WIRING HAR NESS 1 Disconnect the connector i84 from body integrated unit 2 Turn the ignition switch to ON 3 Measure the voltage between body inte grated unit connector and chassis ground Connector amp terminal 184 No 24 Chassis ground Is the voltage more than 10 V Go to step 3 Repair the har ness for open or shorted circuit between body inte grated unit and fuse CHECK POOR CONTACT IN CONNECTOR Is there poor contact in body integrated unit connector Repair the poor contact connector Go to step 4 CHECK BODY INTEGRATED UNIT HAR NESS 1 Connect all the connectors 2 Perform the clear memory mode 3 Read DTC Is DTC displayed LAN diag 41 Replace the body integrated u
6. REF GROUND DISTRIBUTION GND 02 00026 LAN diag 44 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK HARNESS Is the voltage 10 13 V Temporary poor Go to step 2 1 Disconnect the body integrated unit con contact nector B280 2 Measure the voltage between body inte grated unit connector and chassis ground Connector amp terminal B280 No 13 Chassis ground CHECK HARNESS Is the resistance less than 1 Go to step 3 Repair the open or 1 Disconnect the body integrated unit con Q short circuit of har nector B280 ness 2 Disconnect the rear fog light relay 3 Measure the resistance between bogy inte grated unit connector and rear fog light relay connector Connector amp terminal B280 No 13 B225 No 27 CHECK HARNESS Is the resistance more than 1 Replace the body Repair or replace 1 Disconnect the body integrated unit integrated unit the short circuit of nector B280 Ref to SL 46 harness 2 Disconnect the rear fog light relay Body Integrated 3 Measure the resistance between inte Unit grated unit connector and chassis ground Connector amp terminal B280 No 13 Chassis ground LAN diag 45 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS J DTC B0201 CAN HS COUNTER ABNORMAL DTC DETECTING CONDI
7. 3 4 1 2 S4 ra mile 7 8 9 jojn 12 i4 t5 16 17 18 19 20 21 22 23 24 25 26 27 28 29 31 32133 343 1 o Bg Ilo LANO00039 LAN diag 77 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK HARNESS Is the resistance less than 10 to step 2 Repair or replace 1 Disconnect the body integrated unit con Q the open circuit of nector 184 and keyless entry control unit con harness nector i96 2 Measure the resistance between harness Connector amp terminal i84 No 9 i96 No 3 CHECK HARNESS Is the resistance less than 1 Repair or replace Go to step 3 Measure the resistance between harness con the short circuit of nector and chassis ground harness Connector amp terminal i84 No 9 Chassis ground CHECK HARNESS Is the voltage more than 6 V Repair or replace to step 4 1 Turn the ignition switch to ON the short circuit of 2 Measure the voltage between harness con harness nector and chassis ground Connector amp terminal i84 No 9 Chassis ground OPERATION CHECK Does it operate on switch oper Go to step 5 Replace the body Check the door lock operation when the doors integrated unit LOCK UNLOCK using manual LOCK switch Ref to SL 46 Body Integrated Unit OPERATION CHECK Does it operate Check ke
8. 5 5 CENTER DISPLAY a Gio REAC 1 2 3 4 5 116 7 8 91 10 11 12 13 14 15 16 17 18 19 20 21 22 MODEL WITH NAVIGATION SYSTEM CENTER BODY DISPLAY INTEGRATED UNIT 1 2 3 4 5 6 7 8 9 0 11 12 AUTO zi CONTROL MODULE B 6283 WITH AUTO A C n 1 2 s 4 5 6 7 8 9110 11112 13 14 15 16 17 18 19 20 LANOO115 LAN diag 65 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK HARNESS 1 Disconnect the CAN junction connector 177 and body integrated unit connector i84 2 Measure the resistance between connector terminals Connector amp terminal i84 No 26 i77 No 8 i84 No 27 i77 No 2 Is the resistance less than 10 Q Go to step 2 Repair or replace the short circuit of harness CHECK HARNESS 1 Disconnect the combination meter connec tor 2 Measure the resistance between junction connector and combination meter connector Connector amp terminal i10 No 21 i77 No 1 i10 No 22 i77 No 7 Is the resistance less than 10 Q Go to step 3 Repair or replace the open circuit of harness CHECK HARNESS 1 Disconnect the center display connector i90 2 Measure the resistance between junction connector and cen
9. CHECK COMMUNICATION LINE 1 Warm up the engine 2 Compare the data of body integrated unit and combination meter using Subaru Select Monitor Check item Engine speed Each door switch P switch Is the data displayed same Go to step 2 Perform the self diagnosis for com bination meter Ref to IDI 3 SELF DIAGNO SIS INSPEC TION Combination Meter System CHECK HARNESS 1 Disconnect the body integrated unit combi nation meter connector 2 Measure the resistance between harness connectors Connector amp terminal i10 No 21 i84 No 27 i10 No 26 i84 No 26 Is the resistance less than 10 Q Go to step 4 Go to step 3 CHECK HARNESS 1 Disconnect the CAN joint connector i77 with connector of unit is disconnected 2 Measure the resistance between harness connector Connector amp terminal i10 No 21 i77 No 1 110 No 26 i77 7 i84 No 27 i77 No 2 i84 No 26 i77 No 8 Is the resistance less than 10 Go to step 4 Repair or replace the open circuit of harness CHECK HARNESS Measure the resistance between harness con nector i77 and chassis ground Connector amp terminal i77 No 1 Chassis ground i77 No 7 Chassis ground i77 No 2 Chassis ground i77 No 8 Chassis ground Is the resistance less than 10 Q Repair or replace the short circuit of harness
10. Replace the body integrated unit Ref to SL 46 Body Integrated Unit Temporary poor contact occurs Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS E DTC B0102 BATT P SUPPLY MALFUNCTION CONT DTC DETECTING CONDITION BATT power backup circuit is open or shorted TROUBLE SYMPTOM Engine malfunction indicator light may be illuminates Keyless entry room light key illumination does not operate En IU may display in combination meter NOTE When some 0101 p supply malfunction cont are output at the same time all function of body inte grated unit may not function WIRING DIAGRAM BATTERY 5 11 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 al gu 5056 2 2 5 280 N oa 1 2 3 4 e 7 z 09 9 8 9 10 11 12 13 14 15 16 17 18 19 20 21 92 3 24 25 7 28 29 30 12131 aM 8 9110 11 12113 14 15 1617 18 19 20 21 22123 24 05 26 2728 1 2 s 4 s 6 7 8 9 10 11 B 8280 BODY INTEGRATED UNIT 12113 141516 17 18 19 20 21 22 23 24 1 21 13 4 5 6 7 8 9 10 11 12 13 14
11. Go to step 5 CHECK HARNESS 1 Turn the ignition switch to ON 2 Measure the voltage between harness con nector i77 and chassis ground Connector amp terminal i77 No 1 Chassis ground i77 No 7 Chassis ground i77 No 2 Chassis ground i77 No 8 Chassis ground Is the voltage more than 6 V Repair or replace the short circuit of harness Go to step 6 CHECK COMBINATION METER Perform the self diagnosis for combination meter Ref to IDI 3 SELF DIAGNOSIS INSPECTION Combination Meter System Is the self diagnosis OK LAN diag 76 Temporary poor contact occurs Check the connec tion of connector Replace the com bination meter Ref to IDI 16 Combination Meter Assembly Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS X DTC B0500 KEYLESS UART COM MALFUNCTION DTC DETECTING CONDITION UART between keyless control unit and body integrated unit is open or shorted connector is not connected securely the terminal has poor caulking TROUBLE SYMPTOM Door lock does not operate with keyless WIRING DIAGRAM REF TO POWER SUPPLY ROUTING FB 10 M B FUSE No 28 ILLMINATION amp BACK UP JOINT CONNECTOR KEYLESS ENTRY CONTROL MODULE INTEGRATED UNIT GROUND JOINT CONNECTOR 9 i o anne 9 alo o m 2
12. Is the resistance 55 65 Go to step 10 Go to step 5 CHECK HARNESS 1 Disconnect the body integrated unit con nector B280 2 Measure the resistance between harness connector terminals Connector amp terminal B280 No 20 No 30 Is the resistance 115 125 Q Go to step 7 Go to step 6 CHECK HARNESS 1 Disconnect the harness connector of body integrated unit 2 Measure the resistance between harness connector terminals Connector amp terminal B280 No 20 No 30 Is the resistance more than 30 Open harness on related line of body integrated unit Repair or replace the open circuit of harness Go to step 7 CHECK HARNESS 1 Disconnect the VDC ABSCM connector ABS B301 VDC 310 2 Measure the resistance between harness connector terminals Connector amp terminal ABS B301 No 11 No 26 VDC B310 No 13 No 29 Is the resistance 115 125 LAN diag 48 Go to step 8 Go to step 9 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK VDC ABSCM 1 Disconnect the VDC ABSCM connector ABS B301 VDC 310 2 Measure the resistance between VDC ABSOM terminals Connector amp terminal ABS B301 No 11 No 26 VDC B310 No 13 No 29 Is the resistance 115 125 Go to step 9 Open harness in end resistance of VDC ABSCM
13. Main wiring har ness opened Repair or replace the open circuit of harness Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK VDC ABSCM Is DTC other than CAN com Perform the diag Temporary poor 1 Connect all the connectors munication displayed nosis according to contact occurs 2 Read the DTC of VDC ABSCM using Sub DTC concerning Check the con aru Select Monitor VDC ABSCM necting condition of connector and terminals LAN diag 64 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS R DTC B0300 CAN LS MALFUNCTION DTC DETECTING CONDITION Each side of low speed CAN communication line is open or shorted connector is not connected securely the terminal has poor caulking TROUBLE SYMPTOM Er LC is displayed in odo trip meter but no interfere on communication WIRING DIAGRAM 1 2 3 4 516 718 COMBINATION METER 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 1 213 415 6 7 1112 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 BLACK i du 2 TWISTED WIRE CAN JOINT CONNECTOR 8110 11 12 13 14 15 16 MODEL WITHOUT
14. Step CHECK COMBINATION METER Perform the self diagnosis for combination meter lt Ref to IDI 3 SELF DIAGNOSIS INSPECTION Combination Meter System gt LAN diag 73 perform the diag nosis according to DTC displayed on the top lt Ref to IDI 16 Combination Meter Assembly gt Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS V DTC B0313 CAN LS MONITOR DATA ABNORMAL DTC DETECTING CONDITION Center display unit error or harness between the center display unit and combination meter is open or short the connector is not connected securely and the terminal has poor caulking TROUBLE SYMPTOM Er LC is displayed in odo trip meter WIRING DIAGRAM CAN JOINT CONNECTOR MODEL WITHOUT NAVIGATION SYSTEM CENTER DISPLAY BODY INTEGRATED MODEL WITH UNIT NAVIGATION SYSTEM CENTER DISPLAY TWISTED WIRE A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 24 25 26 27 28 29 30 31 32 33 34 BLACK 814 s e 7 8 s iof ERI 2 4 5 6 7 8 10 11 12 13 14 15 16 e LANOO116 Check CHECK CENTER DISPLAY Is center display fail OK Go to step 2 Replace the center 1 Display the current data
15. 27 Chassis ground Is the voltage more than 6 V Repair or replace the short circuit of harness Go to step 7 CHECK CENTER DISPLAY FAIL Read the current data of body integrated unit Is center display fail OK LAN diag 66 Go to step 8 Replace the center display Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK AUTO A C Is the self diagnosis OK Go to step 9 Replace the auto Perform the auto A C self diagnosis Ref to A C control unit AC diag 13 A C CONTROL SYSTEM SELF lt Ref to AC 32 DIAGNOSIS OPERATION Diagnostic Chart Control Unit Auto for Self Diagnosis gt A C Model gt CHECK COMBINATION METER Is Er SS and Er SP dis Replace the body Replace the com 1 Connect all the connectors played integrated unit bination meter 2 Turn the ignition switch to ON lt Ref to SL 46 lt Ref to IDI 16 3 Check the display of combination meter Body Integrated Combination odo trip Unit gt Meter Assembly gt LAN diag 67 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS S DTC B0301 CAN LS COUNTER ABNORMAL DTC DETECTING CONDITION Locate the unit which trouble occurs open or short in CAN line and repair and replace it Free running counter error may be detected at the same time from the unit which the malfunction occurs TROUBLE SYMPTOM
16. No 5 OFF No 6 OFF No 7 ON No 10 OFF Passive Alarm Not used ON OFF Applicable to North America model If Passive Alarm is set to nothing operates and there is no negative effect Door open warning prevention of battery run out ON If detecting door open for 30 minutes room light key illumi nation and door warning light are turned off to prevent bat tery run out Room light key illumination and door warning light is not turned off Specification Security setup Selected security settings in active condition EK model Normally in active condition 5 After setting make sure that vehicle equipment is same as the setting changed in the Current Data Dis play amp Save CAUTION It is possible to control the original functions of vehicle when settings above are corresponded to vehicle equipment Do not change the settings except for setting above during operation of equipment setting Be sure not to change Factory initial setting except in installation of new body integrated unit NOTE For details concerning operation procedure refer to SUBARU SELECT MONITOR OPERATION MANUAL LAN diag 22 Subaru Select Monitor 10 FUNCTION CHECK In order to check the body integrated unit function inspect the body integrated unit and actuator using Subaru Select Monitor without operating switches 1 On the Main Menu display screen se
17. 15 16 17 18 19 20 REF TO GND 03 REF TO GND 02 LANO00022 LAN diag 36 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK FUSE No 8 1 Turn the ignition switch to OFF 2 Remove the fuse No 8 Is the fuse blown out Replace the fuse No 8 If the replaced fuse has blown out easily repair the short cir cuit in harness between fuse No 8 and bogy inte grated unit Go to step 2 CONTINUITY CHECK OF WIRING HAR NESS 1 Disconnect the connector B280 from body integrated unit 2 Measure the voltage between body inte grated unit connector and chassis ground Connector amp terminal B280 No 7 4 Chassis ground Is the voltage more than 10 V Go to step 3 Repair the har ness for open or shorted circuit between body inte grated unit and fuse CHECK POOR CONTACT IN CONNECTORS Is there poor contact in body integrated unit connector Repair the poor contact connector Go to step 4 CHECK BODY INTEGRATED UNIT HAR NESS 1 Connect all the connectors 2 Perform the clear memory mode 3 Read DTC Is the same DTC displayed LAN diag 37 Replace the body integrated unit Ref to SL 46 Body Integrated Unit Temporary poor contact occurs Diagnostic Procedure with Diagnostic Trouble Code DTC
18. 2 Connect the diagnosis cable to Subaru Select Monitor 3 Insert the cartridge to Subaru Select Monitor Ref to LAN diag 6 SPECIAL TOOL PREPARA TION TOOL General Description ST LANO00015 4 Connect the Subaru Select Monitor to data link connector Data link connector is located in the lower portion of the instrument panel on the driver s side LANOO 110 CAUTION Do not connect scan tools except for Subaru Select Monitor 5 Turn the ignition switch to ON engine OFF and turn the Subaru Select Monitor switch to ON LANO00017 A Power switch 6 On the Main Menu display screen select the Each System Check and press the YES key 7 On the System Selection Menu display screen select the Integ Unit mode and press the YES key 8 On the Integ Unit mode failuer diag display screen select the Diagnostic Code s Display and press the YES key NOTE For details concerning operation procedure re fer to SUBARU SELECT MONITOR OPERATION MANUAL For details concerning DTCs refer to the List of Diagnostic Trouble Code DTC lt Ref to LAN di ag 28 List of Diagnostic Trouble Code DTC gt LAN diag 14 Subaru Select Monitor LAN SYSTEM DIAGNOSTICS 2 READ CURRENT DATA 1 On the Main Menu display screen select the Each System Check and press the YES key 2 On the System Sele
19. 2 5 L KS LHD MODEL 2 EXCEPT FOR 2 0 SOHC RHD AND 2 5 L KA RHD MODEL 2 5 L EC K4 LHD MODEL 3 0 L LHD MODEL DL n ff VV VY Vv 26 11 te E ABSCM amp H U REF TO GROUND DISTRIBUTION GND 02 A B 8280 c 6139 I 1 2 3 4 5 6 7 1 2 s 4 5 6 i 2 5 Te 9 10 11 12 13 14 15 16 17 18 1920 71819 1011112 131415116 18 8 9101111213141516 21122 03 4125 6 27 28 29 30 171819120 2122 23 212 24 17 18 19 20 21 122 23 24 1 9 20121 2 5 26127 28 29 30 31 32 33 35 11 21 84 4 5 6 1 7 11213 4115 6 7 8 9 10 ae 141516 7 8 9 8 91 10 11 12 13 14 15 16 17 11 12 13 14 15 16 17 118 19 20 21 22 23 24 25 26 16 17 18 1920 21 22 23 24 25 26 1819 20 21 22 23 24 25 27 28 29 30 31 32 33 343536 37 38 39 40 41 42 26 27 28 29 30 31 LANOO 113 LAN diag 47 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOS
20. 4151617 2 14 15 16 17 18 19 20 21 22 23 8 9 101112 181141151617 18 19 20 8 9 14 15 16 17 18 19 24125 2627 28 29 30 31 32 33 3435 21221 26 27 28 2930 2021 2223 0708 LANO00012 C Signal V Description onnector Terminal No Ignition switch ON NOTE No i engine OFF System control power supply Backup power supply B280 B7 10 13V Always Ignition power supply i84 A1 10 13V Ignition ON ACC power supply i84 10 13V ACC ON 21 Ground Sa Less than 10 Always B280 Key warning switch B281 C7 10 13V When ignition key inserted Stop light switch B281 10 13V When brake pedal depressed 4 5 5 5 V Small light ON Vi1 M volume i84 05 45V Illumination volume Vi 3 Illumination output 10 13V Small light ON Front fog light input B281 10 13V Front fog light ON Small light ON Rear fog light input B281 10 13V Front fog light ON Rear fog light ON Rear fog light output B280 10 13V Rear fog light ON Headlight input B281 10 13V Headlight ON Both of Hi Lo B281 C2 10 13V Always i84 Less than 1 Q Ground circuit 206r 84 Less than 1 V 10 13 V at OFF Driver s door open ON
21. Check Yes No CHECK ALL DTCS Is DTC concerning ECM dis played Go to step 2 Replace the body integrated unit Ref to SL 46 Body Integrated Unit CHECK DTC CONCERNING ECM Is output DTC on ECM con cerning CAN communication error LAN diag 33 Replace the body integrated unit Ref to SL 46 Body Integrated Unit Perform the diag nosis according to DTC concerning ECM Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS D DTC B0101 BATT P SUPPLY MALFUNCTION CONT DTC DETECTING CONDITION BATT power supply control circuit is open or shorted TROUBLE SYMPTOM No malfunction occurs with back up power supply function NOTE When some B0102 BATT p supply malfunction backup are output at the same time all function of body in tegrated unit may not function WIRING DIAGRAM BATTERY A MAIN SBF 11 r3 718 9110 1112 13 14 15 16 17 1819 2021 22123 24 05 96 27 28 29 30 31 92 33 34 35 o gt gt JOE 5 2 z 2 92 2 23 B 280 zu e 11213 415 6 7 z La ao 9 8 9 10 11 12 13 14 15 16 17 18 19 20 o 21 22 5 26 27 28 29 30 12131 Mele 8 9 10 11112113 1415 16 17 18 19 20 21 22123 24 05 26 2728
22. DIAGNOSTICS Step Check Yes No CHECK ECM Read the DTC of ECM using Subaru Select Monitor Is DTC other than CAN com munication displayed LAN diag 52 Perform the diag nosis according to DTC Replace the ECM Ref to FU H4SO 2 0 34 Engine Control Module gt Ref to FU H4SO 2 5 36 Engine Control Module gt Ref to FU H4DOTC 35 Engine Control Module ECM gt lt Ref to FU H6DO 34 Engine Control Module gt Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS M DTC B0212 CAN HS TCM DATA ABNORMAL DTC DETECTING CONDITION TCM error or harness between the main harness splice and TCM is open or short the connector is not con nected securely and the terminal has poor caulking TROUBLE SYMPTOM SPORT indicator light blinks Er HC or Er tC is displayed in odo trip meter WIRING DIAGRAM B B280 BODY INTEGRATED ABSCM amp H U VDCCM amp H U B 8286 A 854 A 852 1 2 3 4 5 e 7 1121314 5 e 7 8 9 112 10 11 12 13 14 15 16 17 18 9 10 11 12 13 14 15 16 19 20 21 22 24 7 2 222324 0
23. Replace the VDC ABSCM lt Ref to ABS 6 ABS Con trol Module and Hydraulic Control Unit ABSCM amp H U gt lt Ref to VDC 7 VDC Control Module amp Hydrau lic Control Unit VDCCM amp H U gt CHECK ECM 1 Disconnect the ECM connector 1 136 2 B137 2 Measure the resistance between ECM con nector terminals Connector amp terminal 1 2 0 L SOHC RHD model 2 5 L KA RHD model 2 0 L LHD model 2 5 L KS LHD model B136 No 13 No 14 2 Except for 2 0 L SOHC RHD and 2 5L KA RHD model 2 5 L EC K4 LHD model 3 0 L LHD model B137 No 18 No 26 Is the resistance 115 125 Q Repair or replace the open circuit of harness connec tor Open harness in end resistance of ECM Replace the ECM lt Ref to FU H4SO 2 0 34 Engine Control Module ECM gt lt Ref to FU H4SO 2 5 36 Engine Control Module ECM gt lt Ref to FU H4DOTC 35 Engine Control Module ECM gt lt Ref to FU H6DO 34 Engine Control Module gt CHECK HARNESS 1 Disconnect the body integrated unit con nector B280 2 Measure the resistance between bogy inte grated unit connector and chassis ground Connector amp terminal B280 No 20 Chassis ground B280 No 30 Chassis ground Is the resistance less than 10 Ground Repair or replace the ground short circuit of the har ness Go to step 11 CHECK HARNESS 1 Disconnect the body integrated
24. 2 1 Disconnect the body integrated unit con nector B280 2 Measure the resistance between bogy inte grated unit connector and chassis ground Connector amp terminal B280 No 6 Chassis ground CHECK HARNESS Is the resistance less than 10 to step 3 Repair or replace 1 Disconnect the body integrated unit con Q the open or short nector B280 circuit of harness 2 Disconnect the shift lock solenoid connec tor 3 Measure the resistance between bogy inte grated unit connector and shift lock solenoid connector Connector amp terminal B280 No 6 B116 No 3 CHECK SHIFT LOCK SOLENOID Is the resistance 10 300 to step 4 Replace the shift 1 Disconnect the shift lock solenoid connec lock solenoid tor 2 Measure the internal resistance of shift lock solenoid Connector amp terminal B116 No 3 No 4 CHECK GROUND CIRCUIT Is the resistance less than 10 Temporary poor Replace the body 1 Disconnect the shift lock solenoid connec Q contact occurs integrated unit tor Check the connec Ref to SL 46 2 Measure the resistance between shift lock tion of each termi Body Integrated solenoid connector and chassis ground nals and then Unit Connector amp terminal repair them if nec B116 No 4 Chassis ground essary CHECK HARNESS Is the resistance more than 1 Replace the body Repair or replace 1 Disconnect the body integrated unit con integrated un
25. A Immediately after turning the ignition to ON Immediately after turning the ignition to START 2 DISPLAY IN COMBINATION METER Display in combination a Display of temperature gauge OK ONG meter b Display of fuel gauge 4 OK ONG Center display c Display of ambient temperature OK ONG Display of other indicators Malfunction indicator light a ON OFF e SPORT indicator light AT warning light OFF f ABS warning light Vehicle dynamics control VDC warning OFF light 9 Immobilizer indicator light A ON 4 Blink C OFF h Seat belt warning light Driver s seat OFF i Seat belt warning light Passenger s seat ON u OFF 3 SYMPTOMS Behavior of vehicle a Illumination volume control is not available b Rear wiper does not operate c Wiper deicer does not operate d Rear defogger does not operate Door lock does not operate f Trunk rear gate lock does not operate 9 Driver s door lock does not operate h Shift lock does not operate i Rear fog light does not come on j Double lock does not operate EK model k Heater cock valve does not operate Key illumination blinks LAN diag 3 Check List for Interview LAN SYSTEM DIAGNOSTICS 4 CONDITIONS UNDER WHICH TROUBLE OCCURS Driving con
26. ABSCM amp H U VDCCM amp H U TWISTED WIRE 2 0 L SOHC RHD MODEL 2 5 L KA RHD MODEL 2 0 L LHD MODEL 2 5 L KS LHD MODEL 2 EXCEPT FOR 2 0 SOHC RHD AND 2 5 L KA RHD MODEL 2 5 L EC K4 LHD MODEL 3 0 L LHD MODEL TCM 1 2 8 4 s 6 7 1121314 5 6 7121314151617 8 9 10 11 12 13 14 15 16 17 18 19 20 7 8 9 10 1112 13 14 15 16 8 10 11 12 13 14 15 t6 17 21 22 23 24 25 26 27 28 29 30 17 18 19 20 21 22 23 24 25 26 27 18119 20 21 2223 24 25 28 29 30 31 32 33 34 35 26127 28129 30131 LAN00114 LAN diag 56 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK HARNESS Is the resistance 55 65 0 Read the DTC of step 2 1 Disconnect the body integrated unit con Standard 60 Perform the nector B280 diagnosis accord 2 Measure the resistance between harness ing to DTC Ref connectors to 45 Connector amp terminal 2 0 diag 25 B280 No 20 No 30 READ DIAGNOS TIC TROUBLE CODE DTC FOR ENGINE NOR MAL MODE OPERATION Subaru Select Monitor Ref to EN H4SO 2 5 diag 26 READ DIAGNOS TIC TROUBLE CODE DTC FOR ENGINE NOR MAL MODE OPERATION Subaru Select Monitor Ref to EN
27. Donot change the settings of vehicle improp erly Confirm key illumination does not blink or Factory initial setting of body integrated unit registrations is Market If Factory initial set ting is set to Factory key illumination blinks with ignition key turned to ON to give warning of unconfirmed settings Key illumination does not blink with ignition switch turned to ON and go off with door closed Be sure to register immobilizer if body inte grated unit is replaced with a new one Model with immobilizer Make a registration of immobilizer when the parts replaced related to immobilizer Refer to REGISTRATION MANUAL FOR IMMOBILIZ ER 1 Turn the ignition switch to OFF 2 Connect the Subaru Select Monitor to data link connector LANOO 110 3 Turn the ignition switch to ON and Subaru Select Monitor to ON LANO00017 A Power switch 4 On the Main Menu display screen select the Each System Check and press the YES key 5 On the Each System Check display screen select the Integ Unit mode and then select the ECM customizing LAN diag 18 Subaru Select Monitor LAN SYSTEM DIAGNOSTICS 6 Change the setting with UP DOWN key and press the YES key List of body integrated unit registration item NOTE Setting is different depending on grade of vehicle Data Initial setting Re
28. H4DOTC diag 21 READ DIAG NOSTIC TROU BLE CODE DTC FOR ENGINE NORMAL MODE OPERA TION Subaru Select Monitor gt lt Ref to EN H6DO diag 25 READ DIAG NOSTIC TROU BLE CODE DTC FOR ENGINE NORMAL MODE OPERA TION Subaru Select Monitor CHECK HARNESS Is the resistance 115 125 to step 3 Related line of 1 Disconnect the body integrated unit con Q End resistance or main body integrated nector B280 line is open unit is open when 2 Measure the resistance between harness oo Q Repair or connectors replace the open Connector amp terminal circuit of harness B280 No 20 No 30 LAN diag 57 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK HARNESS Is the resistance 115 125 to step 4 Go to step 5 1 Disconnect the ECM connector 1 B136 Q End resistance standard 2 B137 120 Q 2 Measure the resistance between harness connector terminals Connector amp terminal 1 2 0 L SOHC RHD model 2 5 L KA RHD model 2 0 L LHD model 2 5 L KS LHD model B136 No 13 No 14 2 Except for 2 0 L SOHC RHD and 2 5 L KA RHD model 2 5 L EC K4 LHD model 3 0 L LHD model B137 No 18 No 26 CHECK ECM Is the resistance 115 125 Read the of End resistance is 1 Disconnect the ECM connector 1 136 ECM Perform the Replace the 2 B137 diagnosis acc
29. HIGH SPEED CAN CIRCUIT LO DRIVER S SEAT A26 LOW SPEED CAN CIRCUIT 1 HI gt N PASSENGER S SEAT REAR SEAT RIGHT SIDE INPUT REAR SEAT LEFT SIDE TRUNK REAR GATE ENGINE HOOD SWITCH LOW SPEED CAN CIRCUIT 1 LO LOW SPEED CAN CIRCUIT 2 HI LOW SPEED CAN CIRCUIT 2 LO INTEGRATED UNIT IMMOBILIZER ANTENNA M ILLUMINATION CONTROL SWITCH CLOCK HEATER COCK VALVE OUTPUT MANUAL SWITCH LOCK MANUAL SWITCH UNLOCK DOOR LOCK POWER SUPPLY ALL DOORS LOCK OUTPUT ALL DOORS UNLOCK OUTPUT DRIVER S SEAT DOOR LOCK EXCEPT FOR EK MODEL TRUNK REAR GATE UNLOCK OUTPUT DOUBLE LOCK OUTPUT EK MODEL SHIFT LOCK POWER SUPPLY SHIFT LOCK OUTPUT IMMOBILIZER COMMUNICATION MAIN IMMOBILIZER COMMUNICATION BACKUP fee v WIPER SWITCH REAR WIPER SWITCH INT REAR WASHER SWITCH REAR WIPER POWER SUPPLY REAR WIPER ON OUTPUT REAR WIPER RETURN ROOM LIGHT OUTPUT gfo alla KEY RING ILLUMINATION OUTPUT TURN HAZARD OUTPUT WIPER DEICER SWITCH IMMOBILIZER PILOT LIGHT WIPER DEICER RELAY OUTPUT ALARM CONTROL ECM EK MODEL REAR DEFOGGER SWITCH MODEL WITH MANUAL A C SECURITY HORN OUTPUT EXCEPT FOR EK MODEL SUBARU SELECT MONITOR COMMUNICATION a i84 BLUE 628 c G28 gt gt Ej E m N DEFOGGER RELAY OUTPUT
30. Keyless Entry Keyless entry LOCK UNLOCK the doors Operate Inspect the key less antenna If the antenna is OK replace the body inte grated unit Brake SW When brake pedal is depressed it turns to ON Turns to ON Inspect brake switch Shift lock solenoid The shift lock releases when depressing the brake pedal Released LAN diag 79 Inspect the shift lock General Diagnostic Table LAN SYSTEM DIAGNOSTICS Item Operation Specifications YES NO Body integrated unit registration function setting Does Vehicle equipment corre spond to setting values Correspondence Reconfigure the values according to vehicle equipment Customize When changing customize setting the registration completes correctly Registered Inspect body inte grated unit Manual mode Switch the shift UP DOWN on Manual mode Indicator is changed in 1 2 Change Inspect the shift lever Function check Each checking item operate cor rectly Except for not equipped Operate Inspect for non functional actuator Security After looking with keyless entry sys tem and open the door security System is armed and the horn sounds Horn sounds Security system operates LAN diag 80 Inspect the secu rity system
31. SW 0 64 5 CONFIRMATION OF CURRENT SETTING 1 On the Main Menu display screen select the Each System Check and press the YES key 2 On the System Selection Menu display screen select the Integ Unit mode and press the YES key 3 On the Integ Unit mode failuer diag display screen select the Current Data Display amp Save and press the YES key NOTE For details concerning operation procedure refer to SUBARU SELECT MONITOR OPERATION MANUAL 4 On the Current Data Display amp Save display screen select the 12 Data Display and press the YES key 5 Using the scroll key scroll the display screen up or down until the desired data is shown 6 Display the following items and record the settings Required items for new registration Except for system not equipped Item Item to confirm Remarks Key No to register 1 2 3 4 Registered ID type Off delay OFF Long Normal Short Setting for lighting off time Auto lock 60 50 40 30 20 OFF Unit sec Rr defogger op mode Normal Continuous Wiper deicer op mode Normal Continuous Optional setting Security Alarm Setup ON OFF Impact Sensor Setup ON OFF Optional setting Alarm monitor delay setting ON OFF Lockout prevention ON OFF Impact Sensor No Optional setting Siren setting No Optional setting Answ
32. by keyless entry system oper ated answer back buzzer does not sound Hazard answer back setup Workable when Hazard answer back setup is set to When lock unlock is selected by keyless entry system oper ated hazard answer back operates When lock unlock is selected by keyless entry system oper ated hazard answer back does not operate Automatic locking setup Workable when Automatic locking setup is set to ON When lock unlock is selected by keyless entry system oper ated automatic locking operates When lock unlock is selected by keyless entry system oper ated automatic locking does not operate Ans back Buzzer Vehicle is controlled in answer back buzzer equipped mode Vehicle is controlled in answer back buzzer non equipped mode Set Ans back Buzzer to OFF in model without answer back buzzer Auto locking Vehicle is controlled in auto locking equipped mode Vehicle is controlled in auto locking non equipped mode Set Auto locking to OFF in model without answer back buzzer Initial Keyless Setting Execution Settings of keyless entry system are initialized No 2 30 sec No 11 ON No 12 ON No 13 ON No 14 ON Initial button setting Execution Settings of each function are initialized No 1 Normal No 3 15 min No 4 15 min No 8 ON Initial Security setting Execution Settings of security system are initialized
33. concerning operation procedure refer to SUBARU SELECT MONITOR OPERATION MANUAL 7 CLEAR MEMORY MODE 1 On the Main Menu display screen select the 2 Each System Check and press the YES key 2 On the System Selection Menu display screen select the Integ Unit mode and press the YES key 3 Press YES key after displayed the information of body integrated unit type 4 On the Integ Unit mode failuer diag display screen select the Clear Memory and press the YES key Display Contents to be monitored Clear function of DTC and freeze frame data Clear memory 5 When the Done are shown on the display screen turn the ignition switch to OFF NOTE For detailed operation procedure refer to SUBA RU SELECT MONITOR OPERATION MANUAL 8 FREEZE FRAME DATA NOTE Data stored at the time of trouble occurrence is shown on display Freeze frame data will be memorized maximum to 20 f freeze frame data is not stored in memory cor rectly caused by low power supply of body inte grated unit DTC will be displayed with on the head of itin the Subaru Select Monitor display This shows it may be an unreliable reading LAN diag 20 Subaru Select Monitor LAN SYSTEM DIAGNOSTICS 9 FUNCTION SETTING ECM CUSTOMIZING 1 On the Main Menu display screen select the Each System Check and press the YES key 2 On the System Selection Menu display screen selec
34. door lock switch Door lock switch is con nected with Low speed CAN Door lock actuator When locked with door lock switch it is output 2 BODY INTEGRATED UNIT Item Operation Output Replace the body integrated unit Specifications YES NO Illumination VR power supply Operate the illumination volume illumination light is controlled with changing of data display voltage Illumination light is controlled with changing of data Inspect the illumi nation volume Fuel level resis tance Check the fuel level resistance and fuel level resistance 2 Both resis tances are same Same values Inspect body inte grated unit Compare the input and output values of body inte grated unit R fog light input When turned rear fog light switch to ON data display turns to ON Turns to ON Inspect rear fog light switch R fog light output When turned rear fog light switch to ON output turns to ON Turns to ON Inspect body inte grated unit If not operate with output turned to ON check the rear fog light relay R wiper SW input When rear wiper SW to ON data display turns to ON Turns to ON Inspect rear wiper switch R wiper output When rear wiper switch to ON out put signal turns to ON Turns to ON Replace the body integrated unit If not operate with output turned to ON check the rear wiper motor
35. sending and receiving Low speed CAN circuit 2 Hi B280 B26 Low speed CAN circuit 2 Lo B280 B27 Between B25 B27 Serial communication At communicating sending and receiving Model with auto A C Immobilizer antenna B281 C20 C21 Serial communication Immobilizer communi cation Main B280 B18 Back up B28 Serial communication Subaru Select Monitor communication B280 B19 Serial communication LAN diag 11 Control Module Signal LAN SYSTEM DIAGNOSTICS B WIRING DIAGRAM SYSTEM CONTROL POWER SUPPLY BACKUP POWER SUPPLY IGNITION POWER SUPPLY P RANGE SWITCH SHIFT SWITCH ON SHIFT SWITCH UP o 4 ACC POWER SUPPLY C25 SHIFT SWITCH DOWN GROUND __ FUEL LEVEL SENSOR GROUND AMBIENT SENSOR SIG GROUND C10 AMBIENT SENSOR GND GROUND SEAT BELT SWITCH DRIVER S SEAT SEAT BELT SWITCH PASSENGER S SEAT KEY WARNING SWITCH e f STOP LIGHT SWITCH C23 AT MODEL SEAT BELT WARNING LIGHT EP DRIVER S SEAT ILLUMINATION 527 SEAT BELT WARNING LIGHT VOLUME E PASSENGER S SEAT 25 SEDAN WAGON IDENTIFICATION SWITCH ILLUMINATION OUTPUT LAS TA REGISTRATION MODE SWITCH FRONT FOG LIGHT INPUT S EXCEPT FOR EK MODEL REAR FOG LIGHT INPUT A9 KEYLESS COMMUNICATION REAR FOG LIGHT OUTPUT B20 HIGH SPEED CAN CIRCUIT HI HEADLIGHTINPUT C16 B30
36. unit con nector B280 2 Measure the voltage between body inte grated unit connector and chassis ground Connector amp terminal B280 No 20 Chassis ground B280 30 Chassis ground Is the voltage more than 6 V Power Repair or replace the short circuit of harness Go to step 12 CHECK DTC Read the DTC of ECM using Subaru Select Monitor Ref to EN H4SO 2 0 diag 25 READ DIAGNOSTIC TROUBLE CODE DTC FOR ENGINE NORMAL MODE OPERA TION Subaru Select Monitor Ref to EN H4DOTC diag 21 READ DIAGNOSTIC TROUBLE CODE DTC FOR ENGINE NOR MAL MODE OPERATION Subaru Select Monitor Is DTC other than CAN com munication displayed LAN diag 49 Perform the diag nosis according to DTC Go to step 13 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK DTC Read the DTC of VDC ABSCM using Subaru Select Monitor lt Ref to ABS diag 15 READ DIAGNOSTIC TROUBLE CODE DTC OPERATION Subaru Select Monitor gt lt Ref to VDC diag 16 READ DIAGNOSTIC TROU BLE CODE DTC OPERATION Subaru Select Monitor gt Is DTC other than CAN com munication displayed Perform the diag nosis according to DTC Go to step 14 CHECK DTC Read the DTC of TCM using Subaru Select Monitor lt Ref to 4AT diag 17 READ DIAG NOSTIC TROUBLE CODE DTC OPERA TION Sub
37. 0 130 C Vehicle lateral G m s SPORT Shift Stages 0 7 levels 0 light OFF 6 fail 7 ATF temperature High Low Shift Position 0 7 levels 8 is no input Off delay time OFF Short Normal Long Auto lock time 20 30 40 50 60 seconds LAN diag 15 LAN SYSTEM DIAGNOSTICS Subaru Select Monitor 4 DISPLAY OF ON OFF DATA Items to be displayed Unit of measure Items to be displayed Unit of measure R fog lamp output ON OFF key lock warning SW ON OFF R fog lamp monitor ON OFF Stop Light Switch ON OFF Immobilizer lamp output ON OFF Front fog lamp SW input ON OFF Keyless operation 1 Registration Normal Rear fog lamp SW input ON OFF Keyless operation 2 Clear Normal lighting SW input ON OFF CC Main Lamp On Off Door key lock SW input ON OFF CC Set Lamp On Off Door unlock SW input ON OFF SPORT Lamp On Off Driver s door SW input ON OFF SPORT Blink Blink Off P door SW input ON OFF ATF Temperature Lamp On Off Rear right door SW input ON OFF ATF Blink Blink Off Rear left door SW input ON OFF Tire diameter abnormal 1 On Off R Gate SW input ON OFF Tire diameter abnormal 2 Blink Off Manual lock SW input ON OFF SPORT Shift UP UP OFF Manual unloc
38. 0029 Yes No CHECK TCM Read the DTC of TCM using Subaru Select Monitor Ref to 4AT diag 17 READ DIAG munication displayed NOSTIC TROUBLE CODE DTC OPERA TION Subaru Select Monitor Ref to 5AT diag 16 READ DIAGNOSTIC TROU BLE CODE DTC OPERATION Subaru Select Monitor LAN diag 53 Is DTC other than com Perform the diag nosis according to DTC Replace the TCM Ref to 4AT 65 Transmission Con trol Module TCM Ref to 61 Transmis sion Control Mod ule gt Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS N DTC B0213 CAN HS VDC ABS DATA ABNORMAL DTC DETECTING CONDITION VDC ABSCM error or harness between the main harness splice and TCM is open or short the con nector is not connected securely and the terminal has poor caulking TROUBLE SYMPTOM ABS warning light and VDC warning light come on Er HC or Ab is displayed in odo trip meter WIRING DIAGRAM BODY INTEGRATED STEERING ANGLE SENSOR n n n n U lt 5 lt o CO Ln n a LULA VV VY BIE I moe ABSCM amp H U REF TO GROUND DISTRIBUTION GND 02 280
39. 2 13 14 15 16 17 18 19 20 11 12113 21 22 23 24 25 26 27 28 29 30 27 28 29 14 15 16 17 18 19 20 30 31 32 33 34 35 36 AAMA ANNE 21 22 23 24 25 26 16 17 18 19 20 1 22 23 24 25 26 37 38 39 40 41 42 00030 LAN diag 62 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK HARNESS 1 Disconnect the harness connector of body integrated unit 2 Measure the resistance between harness connector terminals Connector amp terminal B280 No 20 No 30 Is the resistance 55 65 0 Read the DTC of VDC ABSOM and perform the diag nosis according to DTC Go to step 2 CHECK HARNESS 1 Disconnect the harness connector of body integrated unit 2 Measure the resistance between harness connector terminals Connector amp terminal B280 No 20 No 30 Is the resistance 115 125 Go to step 5 Go to step 3 CHECK HARNESS 1 Disconnect the harness connector of body integrated unit 2 Measure the resistance between the har ness connector terminal and chassis ground Connector amp terminal B280 No 20 Chassis ground B280 No 30 Chassis ground Is the resistance oo 0 Open harness on re
40. 2004 LEGACY SERVICE MANUAL QUICK REFERENCE INDEX BODY SECTION HVAC SYSTEM HEATER VENTILATOR AND HVAC SYSTEM AUTO A C DIAGNOSTICS AIRBAG SYSTEM AB AIRBAG SYSTEM DIAGNOSTICS AB diag This service manual has been prepared to provide SUBARU service personnel with the necessary information and data for the correct maintenance and repair LIGHTING SYSTEM LI This manual includes the procedures for maintenance disassembling reas sembling inspection and adjustment of WIPER AND WASHER SYSTEMS components and diagnostics for guid ance of experienced mechanics Please peruse and utilize this manual ENTERTAINMENT fully to ensure complete repair work for satisfying our customers by keeping their vehicle in optimum condition COMMUNICATION SYSTEM When replacement of parts during repair work is needed be sure to use SUBARU genuine parts GLASS WINDOWS MIRRORS GW SEAT BELT SYSTEM SB BODY STRUCTURE BS INSTRUMENTATION DRIVER INFO IDI SEATS SE SECURITY AND LOCKS SL SUNROOF T TOP CONVERTIBLE cp SUNROOF EXTERIOR INTERIOR TRIM All information illustration and specifi cations contained in this manual are based on the latest product information available at the time of publication approval EXTERIOR BODY PANELS FUJI HEAVY INDUSTRIES LTD G2320GE7 2003 LEGACY SERVICE MANUAL QUICK REFERENCE INDEX BODY SECTION CRUISE CONTROL S
41. 25 26 27 28 29 30 31 32 33 34 35 11 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 BLACK 1 21 3 4 5 6 7 CAN JOINT 810 11 2 13 14 15 16 CONNECTOR MODEL WITHOUT NAVIGATION SYSTEM CENTER DISPLAY Gio BLACK 1 2 3 4 5 6 7 8 9 0 11112 13 14 15 16 17 18 19 20 21 22 MODEL WITH NAVIGATION SYSTEM CENTER BODY DISPLAY INTEGRATED 1 2 3 4 5 6 7 8 9 10 1112 UNIT AUTO A C zi CONTROL MODULE 280 B B283 WITH AUTO A C n 13 14 15 16 ds 19 20 LANOO115 LAN diag 70 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK CENTER DISPLAY 1 Display the accelerator opening angle in the meter on Information of center display menu 2 Read the display when the accelerator opening angle is fully opened from fully closed Is the value changes from 0 to 100 Go to step 2 Go to step 7 CHECK AUTO A C CONTROL UNIT FOR MANUAL A C GO TO STEP 3 1 Display the current data of body integrated unit using Subaru Select Monitor 2 Display the number of blower fan level in the analog data 3 Read the data display
42. Driver s seat Door switch input Passenger s seat Door switch input Rear seat 184 Less than 1 V 10 13 V at OFF Rear RH door open ON 184 Less than 1 V 10 13 V at OFF Passenger s door open ON LAN diag 9 LAN SYSTEM DIAGNOSTICS Description Connector No Control Module Signal Terminal No Signal V or Ignition switch ON engine OFF NOTE Door switch input Rear LH seat 184 1 Less than 1 V 10 13 at OFF Rear LH door open ON Door switch Trunk Rear gate 184 17 Less than 1 V 10 13 V at OFF Trunk Rear gate open ON Illumination control switch 184 10 13 V at dimmer ON Extinct the clock and audio illumi nation Manual switch LOCK 184 15 Less than 1 Door lock switch ON Manual switch UNLOCK 184 29 Less than 10 Door lock switch ON Door lock power supply 184 4 10 13V All door LOCK output i84 A7 10 13V Manual door key switch ON All door UNLOCK out put ig4 A8 10 13V Manual door key switch ON Trunk Rear gate UNLOCK output 184 10 13V When the trunk open signal received with keyless entry Sedan model Key shift lock power supply B281 10 13V Shift lock output B280 10 13V Ignition switch ON at P range foot brake ON Wiper deicer s
43. Er LC is displayed in odo trip meter Step Check Yes No CHECK CENTER DISPLAY Does the value changed from 0 Go to step 2 Go to step 7 1 Display the accelerator opening angle in to 100 the meter on Information of center display menu 2 Read the display when the accelerator opening angle is fully opened from fully closed CHECK AUTO A C CONTROL UNIT Does the data display change Go to step 3 Go to step 5 1 Display the current data of body integrated unit using Subaru Select Monitor 2 Display the number of blower fan level in the analog data 3 Read the data display when the blower fan level is changed on air conditioner control part CHECK COMBINATION METER Does the indicator of data and Go to step 4 Go to step 6 1 Display the current data of body integrated combination meter on body unit using Subaru Select Monitor integrated unit change accord 2 Display the door switch in analog data ing to operation 3 Read the display of data and combination meter when each door is opened closed CHECK CENTER DISPLAY HARNESS Is the resistance less than 10 to step 7 Repair or replace 1 Disconnect the center display harness con 0 the open circuit of nector and CAN joint connector harness 2 Measure the resistance between harness connectors Connector amp terminal i90 No 14 i77 No 1 i90 No 6 i77 No 5 CHECK AUTO A C CONTROL UNIT HAR Is the resistance less than 10 Go to step 8 Repair or r
44. IT 1 Turn the ignition switch to ON engine OFF 2 Measure the ignition voltage between body integrated unit connector and chassis ground Is the voltage more than 10 V Go to step 11 Repair the open circuit of harness between the body integrated unit and battery Connector amp terminal i84 No 1 Chassis ground CHECK HARNESS CONNECTOR BETWEEN 15 the resistance more than 1 BODY INTEGRATED UNIT AND CHASSIS MO GROUND 1 Turn the ignition switch to OFF 2 Disconnect the connector from inte grated unit 3 Measure the harness resistance between the body integrated unit and chassis ground Connector amp terminal B280 No 19 Chassis ground CHECK POOR CONTACT IN CONNECTORS 15 there poor contact at control Replace the body unit ground and Subaru Select integrated unit Monitor Ref to SL 46 Body Integrated Unit Go to step 12 Repair the poor contact of har ness between the body integrated unit and ground Repair the poor contact connector CAUTION When replacing body integrated unit on the model with immobilizer system refer to REGISTRATION MANUAL FOR IMMOBILIZER LAN diag 32 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS B DIAGNOSTIC TROUBLE CODE DTC IS NOT STORED DTC DETECTING CONDITION Defective combination meter DIAGNOSIS Freeze frame data in odo trip meter is not cleared No tr
45. LAN SYSTEM DIAGNOSTICS F DTC B0103 IGNITION POWER FAILURE DTC DETECTING CONDITION IGN power supply circuit is open or shorted TROUBLE SYMPTOM Symptom that illuminating engine malfunction indicator light Er HC high speed CAN error display may be occurred WIRING DIAGRAM IGNITION SWITCH BATTERY MAIN 11 1 2 3411 7 8 11 12 13 14 15 16 17 18 19 20 21 22 29 24 25 26 27 28 29 30 31 32 33 34135 3 4 5 lel 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ACC POWER SUPPLY FB 37 No 12 1 2 3 4 5 6 7 8 9 1011 BODY INTEGRATED UNIT REF TO GND 03 REF TO GND 02 LANOO0023 LAN diag 38 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK FUSE No 12 1 Turn the ignition switch to OFF 2 Remove the fuse No 12 Is the fuse blown out Replace the fuse No 12 If the replaced fuse has blown out easily repair the short cir cuit in harness between fuse No 12 and body inte grated unit Go to step 2 CONTINUITY CHECK OF WIRING HAR NESS 1 Disconnect the connector i84 from body integrat
46. O diag 25 READ DIAG NOSTIC TROU BLE CODE DTC FOR ENGINE NORMAL MODE OPERA TION Subaru Select Monitor gt Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS P DTC B0222 CAN HS TCM NO RECEIVE DATA DTC DETECTING CONDITION error or harness between the main harness splice and is open or short the connector is not con nected securely and the terminal has poor caulking TROUBLE SYMPTOM Engine malfunction indicator light illuminates Er HC is displayed in odo trip meter WIRING DIAGRAM B B280 BODY INTEGRATED ABSCM amp H U VDCCM amp H U B 8286 A 854 A 854 1 2 3 4 5 e 7 1121314 5 e v 8 9 1 2 10 11 12 13 14 15 16 17 18 9 10 11 12 13 14 15 16 19 20 21 22 24 17 1819 2021 222324 LANO0029 LAN diag 60 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK HARNESS 1 Disconnect the TCM connector B54 2 Measure the resistance between harness connector terminals Connector amp terminal 4AT MODEL B54 No 3 No 12 5AT MODEL B54 No 3 No 4 Is the resistance Open
47. Ref to LAN diag 33 DTC 0100 INTEG UNIT SYSTEM ERROR Diagnostic Procedure with Diagnostic Trouble Code DTC gt BATT power supply Control error Open or short in battery power supply control cir cuit Ref to LAN diag 34 DTC B0101 BATT P SUPPLY MALFUNCTION CONT Diagnostic Procedure with Diagnostic Trouble Code DTC gt BATT p supply malfunction cont Open or short in BATT power backup circuit lt Ref to LAN diag 36 DTC 0102 BATT P SUPPLY MALFUNCTION CONT Diagnostic Procedure with Diagnostic Trouble Code DTC gt IGN power failure Open or short in IGN power supply circuit lt Ref to LAN diag 38 DTC 0103 IGNITION POWER FAILURE Diagnostic Procedure with Diagnostic Trouble Code DTC gt ACC power failure Open or short in ACC power supply circuit lt Ref to LAN diag 40 DTC 0104 ACC POWER FAILURE Diagnostic Procedure with Diagnostic Trouble Code DTC gt shift lock circuit Failure Ground short of shift lock circuit lt Ref to LAN diag 42 DTC 0106 SHIFT LOCK CIRCUIT FAILURE Diagnostic Proce dure with Diagnostic Trouble Code DTC gt R Fog lamp circuit Failure Ground short of rear fog circuit lt Ref to LAN diag 44 DTC 0107 FOG LAMP CIRCUIT FAILURE Diagnostic Proce dure with Diagnostic Trouble Code DTC gt High speed CAN fail error counter abnormal Malfunction of high speed CAN communication lt Ref to LAN di
48. S 15 result of inspection OK LAN system is Go to step 5 Inspect using General Diagnostics Table mal Ref to LAN diag 79 General Diagnostic Table PERFORM THE DIAGNOSIS Is DTC displayed Repeat step 5 until Finish the diagno 1 Fix the wrong part DTC is not shown sis 2 Perform the clear memory mode Ref to LAN diag 20 CLEAR MEMORY MODE OPERATION Subaru Select Monitor 3 Read DTC Ref to LAN diag 14 READ DIAGNOSTIC TROUBLE CODE DTC OPERATION Subaru Select Monitor LAN diag 2 Check List for Interview LAN SYSTEM DIAGNOSTICS 2 Check List for Interview A CHECK Inspect the following items about the vehicle s state 1 DISPLAY OF FREEZE FRAME DATA Freeze frame data is dis When and how often are they displayed played in odo trip meter LJ Always Sometimes Only once Which freeze frame data is displayed Record them all LJ Er IU Fail in the body integrated unit Er HC Fail of high speed CAN A1 Er LC Fail of low speed CAN Er Fails of both high speed and low speed Er EG Fail of communication counter A Er TC Fail of TCM communication counter Er Ab Fail of vehicle dynamics control VDC ABS communication counter Ignition key position a OFF a ON before starting engine 1 START ON after Engine starting engine is running ON after Engine starting engine is at a standstill
49. Select Monitor for Clear Memory Mode 2 WITH SUBARU SELECT MONITOR For detailed procedures of clearing DTC refer to SUBARU SELECT MONITOR Ref to LAN di ag 20 CLEAR MEMORY MODE OPERATION Subaru Select Monitor LAN diag 25 Read Current Data LAN SYSTEM DIAGNOSTICS 9 Read Current Data A OPERATION 1 On the Main Menu display screen select the Each System Check and press the YES key 2 On the System Selection Menu display screen select the Integ Unit mode and press the YES key 3 On the Integ Unit mode failuer diag display screen select the Current Data Display amp Save and press the YES key 4 On the Data Display Menu screen select the 12 Data Display and press the YES key 5 Using the scroll key scroll the display screen up or down until the desired data is shown Ref to LAN diag 15 DISPLAY OF ANALOG DA TA OPERATION Subaru Select Monitor Ref to LAN diag 16 DISPLAY OF ON OFF DATA OPERATION Subaru Select Monitor Ref to LAN diag 17 CONFIRMATION OF CURRENT SETTING OPERATION Subaru Select Monitor LAN diag 26 Function Setting Customize LAN SYSTEM DIAGNOSTICS 10 Function Setting Customize A OPERATION 1 WITHOUT SUBARU SELECT MONITOR NOTE Applied to the Model with center display 1 Display the information screen with pressing the INFO switch of center display 2 Select SET on the touch panel at the right top of cen
50. TICS Step Check Yes No CHECK TCM 1 Disconnect the TCM connector B54 2 Perform the clear memory of body inte grated unit Ref to LAN diag 20 CLEAR MEMORY MODE OPERATION Subaru Select Monitor 3 Read DTC of body integrated unit Is DTC B0202 displayed Go to step 2 Replace the TCM Ref to 4AT 140 Transmission Con trol Device Ref to 5AT 61 Trans mission Control Module CHECK STEERING ANGLE SENSOR 1 Disconnect the steering angle sensor con nector B231 2 Perform the clear memory mode of body integrated unit Ref to LAN diag 20 CLEAR MEMORY MODE OPERATION Subaru Select Monitor 3 Read DTC of body integrated unit Is DTC B0202 displayed Go to step 3 Replace the steer ing angle sensor Ref to VDC 16 REPLACEMENT Steering Angle Sensor CHECK BODY INTEGRATED UNIT 1 Disconnect the body integrated unit con nector B280 2 Read the data between VDC ABSCM and ECM Check item Engine speed Average front wheel speed value on con stant driving Engine speed front wheel speed is correctly communi cated Appears same value Replace the body integrated unit Ref to SL 46 Body Integrated Unit Go to step 4 CHECK HARNESS 1 Disconnect the body integrated unit con nector B280 2 Measure the resistance between harness connector terminals Connector amp terminal B280 No 20 No 30
51. TION High speed CAN communication of body integrated unit which monitoring the error data and non received data are faulty TROUBLE SYMPTOM Er HC is displayed in odo trip meter Engine malfunction indicator light illuminates Step Check Yes No CHECK HARNESS Is the resistance 55 65 0 Temporary poor Go to step 2 1 Disconnect the body integrated unit con contact occurs nector B280 2 Measure the resistance between harness connector terminals Connector amp terminal B280 No 20 No 30 CHECK HARNESS Is the resistance more than 30 Repair or replace 1 Disconnect the body integrated unit the open circuit of nector B280 harness 2 Measure the resistance between harness connector terminals Connector amp terminal B280 No 20 No 30 CHECK HARNESS 1 Disconnect the body integrated unit con nector B280 2 Measure the input voltage between har ness connector and chassis ground while turn ing the ignition switch to ON Connector amp terminal B280 No 20 Chassis ground B280 No 30 Chassis ground CHECK HARNESS Is the resistance less than 10 1 Disconnect the body integrated unit con Q nector B280 2 Measure the resistance between harness connector and chassis ground Connector amp terminal B280 No 20 Chassis ground B280 No 30 Chassis ground CHECK BODY INTEGRATED UNIT Read the data of body integrated unit data received
52. YSTEM CC CRUISE CONTROL SYSTEM CC diag DIAGNOSTICS IMMOBILIZER DIAGNOSTICS IM diag LAN SYSTEM DIAGNOSTICS I YT TET G2320GE7 c LAN SYSTEM DIAGNOSTICS LAN diag Page 1 Basic Diagnostic eetptn eigene te ern ave pia eren 2 2 Check List TOF TnEBEVIBWS cepe rer rte ir et RE UM IR 3 3 General Description 5 4 Electrical Component Location 7 5 Control Module I O RR uta 9 Su ubaru Select Monitor 14 7 Read Diagnostic Trouble Code 24 8 Clear Memory pure 25 9 Read Current QR ER D REIS 26 10 Function Setting Customize ii ttr rne ren te dioec ge 27 11 List of Diagnostic Trouble Code DTC 28 12 Diagnostic Procedure with Diagnostic Trouble Code DTO 30 13 General Diagnostic Table t o eser 79 Basic Diagnostic Procedure LAN SYSTEM DIAGNOSTICS 1 Basic Diagnostic Procedure A PROCEDURE 1 WITH SUBARU SELECT MONITOR CAUTION Subaru Select Monitor is required for reading DTC performing diagnosis and reading current data Remove foreign matter dust water and oil etc from the body integrated unit connector during re moval and in
53. ag 46 DTC 0201 CAN HS COUNTER ABNORMAL Diagnostic Procedure with Diagnostic Trouble Code DTC gt CAN HS bus off Any unit is cut communi cation lt Ref to LAN diag 47 DTC 0202 CAN HS BUS OFF Diagnostic Procedure with Diagnos tic Trouble Code DTC gt CAN HS data abnormal Received error data from ECM lt Ref to LAN diag 51 DTC 0211 CAN HS ECM DATA ABNORMAL Diagnostic Procedure with Diagnostic Trouble Code DTC gt CAN HS TCM data abnormal Received error data from TCM lt Ref to LAN diag 53 DTC 0212 CAN HS TCM DATA ABNORMAL Diagnostic Procedure with Diagnostic Trouble Code DTC gt CAN HS VDC ABS data abnormal Received error data from VDC ABS unit lt Ref to LAN diag 54 DTC 0213 CAN HS VDC ABS DATA ABNORMAL Diagnostic Pro cedure with Diagnostic Trouble Code DTC gt CAN HS ECM no receive data Not received error data from ECM lt Ref to LAN diag 56 DTC 0221 CAN HS ECM NO RECEIVE DATA Diagnostic Proce dure with Diagnostic Trouble Code DTC gt CAN HS TCM no receive data Not received error data from TCM LAN diag 28 lt Ref to LAN diag 60 DTC 0222 CAN HS TCM NO RECEIVE DATA Diagnostic Proce dure with Diagnostic Trouble Code DTC gt List of Diagnostic Trouble Code DTC Item Content of diagnosis LAN SYSTEM DIAGNOSTICS NOTE CAN HS VDC ABS no receive data Not received error da
54. anged it may cause extremely weakness to the noise When repairing the harness connect the wires using soldering and protect it with insulating tape etc mue 2 3a LAN00080 A Soldering and protection with insulating tape B INSPECTION Before performing diagnostics check the following items which might affect body integrated unit mal functions 1 Measure the battery voltage and check electro lyte Standard voltage 12 V or more Specific gravity Above 1 260 2 Check the fuse condition Make sure that ampere of the fuse is setting value and it is not blown out 3 Check the connecting condition of harness and harness connector 4 Confirm settings of body integrated unit are cor responded to vehicle equipment Ref to LAN di ag 18 REGISTRATION BODY INTEGRATED UNIT EQUIPMENT SETTING OPERATION Subaru Select Monitor 5 Confirm setting are corresponded to vehicle equipment by function setting ECM customizing of body integrated unit Ref to LAN diag 20 FREEZE FRAME DATA OPERATION Subaru Select Monitor 6 Confirm Factory initial setting of body integrat ed unit registrations is Market 7 Confirm key illumination does not blink with igni tion switch turned to ON LAN diag 5 General Description LAN SYSTEM DIAGNOSTICS C PREPARATION TOOL 1 SPECIAL TOOL ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS 24082AA230 CARTRIDGE Troubleshooting for electrical syste
55. aru Select Monitor gt lt Ref to 5AT diag 16 READ DIAGNOSTIC TROU BLE CODE DTC OPERATION Subaru Select Monitor Is DTC other than CAN com munication displayed LAN diag 50 Perform the diag nosis according to DTC Replace the body integrated unit Ref to SL 46 Body Integrated Unit Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS L DTC B0211 CAN HS ECM DATA ABNORMAL DTC DETECTING CONDITION Defective data from ECM TROUBLE SYMPTOM Er HC or Er EG is displayed in odo trip meter WIRING DIAGRAM BODY INTEGRATED 1 1026 14 amp H U VDCCM amp H U TWISTED WIRE 2 0 L SOHC RHD MODEL 2 5 L KA RHD MODEL 2 0 L LHD MODEL 2 5 L KS LHD MODEL 2 EXCEPT FOR 2 0 SOHC RHD AND 2 5 L KA RHD MODEL 2 5 L EC K4 LHD MODEL 3 0 L LHD MODEL 1 2 3 4 5 6 7 1121314 516 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 7 819 1516 8 9 10 11 12 13 14 15 16 17 21 22 23 24 25 ee e7 28 29 30 17 18 19 20 21 22 23 24 25 26 27 18 19 20 21 22 23 24 25 28 29 30 31 32 33 34 35 26 27 28 29 30131 LANOO114 LAN diag 51 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM
56. ction Menu display screen select the Integ Unit mode and press the YES key 3 On the Integ Unit mode failuer diag display screen select the Current Data Display amp Save and press the YES key 4 On the Current Data Display amp Save display screen select the 12 Data Display and press the YES key 5 Using the scroll key scroll the display screen up or down until the desired data is shown A support list contains both of analog and digital data and they are shown in the following table 3 DISPLAY OF ANALOG DATA Items to be displayed Unit of measure BATT Voltage Control 10 15V BATT Voltage BACK UP 10 15V IG power supply voltage 10 15V ACC voltage 10 15V Illumination VR voltage 0 5V output d ratio 0 100 ambient temp sensor V 0 5V Ambient temperature 40 87 5 C Fuel level voltage 0 8V Fuel level resistance 0 102 3 Body integrated unit input value key lock solenoid V 6 12V number of regist 0 4 Front Wheel Speed km h VDC ABS latest f code DTC display Temporarily This is normal when the DTC is not input though the this code is displayed Blower fan steps 0 2 level 0 OFF 1 Low 2 More than 2 level Fuel level resistance2 0 102 3 Body integrated unit output Fuel consumption 5 Coolant Temp 4
57. dition LJ At standstill While idling When the vehicle is running Vehicle speed km h MPH When accelerating Acceleration km h MPH to km h MPH L1 Decelerating With braking Deceleration km h MPH to km h MPH L1 Decelerating Without braking Deceleration km h MPH km h MPH Flat road Uphill Downhill Gravel road Bumpy road Snowy road Does it occur when operating any part Operated part Trouble Symptom Are other troubles occurred From where Trouble Symptom LAN diag 4 General Description LAN SYSTEM DIAGNOSTICS 3 General Description A CAUTION 1 SRS AIRBAG SYSTEM Airbag system wiring harness is routed near the body integrated unit and twisted pair line CAUTION All airbag system wiring harness and con nectors are colored yellow Do not use the elec trical test equipment on these circuits Be careful not to damage the Airbag system wiring harness when servicing the body inte grated unit and LAN system 2 LAN SYSTEM Bus line of LAN system is twisted pair line Be careful not to bypass or partly unbind the twisted pair line Do not make clearance between bus lines CAN High CAN Low Difference of bus line length should be within 10 cm 3 94 in Fray near the connector should be within 8 cm 3 94 in LANO0081 A Bypass wire connection f the characteristics of the twisted pair line is ch
58. ed unit 2 Turn the ignition switch to ON 3 Measure the voltage between body inte grated unit connector and chassis ground Connector amp terminal 184 No 1 Chassis ground Is the voltage more than 10 V Go to step 3 Repair the har ness for open or shorted circuit between body inte grated unit and fuse CHECK POOR CONTACT IN CONNECTOR Is there poor contact in body integrated unit connector Repair the poor contact connector Go to step 4 CHECK BODY INTEGRATED UNIT HAR NESS 1 Connect all the connectors 2 Perform the clear memory mode 3 Read DTC Is the same DTC displayed LAN diag 39 Replace the body integrated unit Ref to SL 46 Body Integrated Unit Temporary poor contact occurs Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS G DTC B0104 ACC POWER FAILURE DTC DETECTING CONDITION ACC power supply circuit is open or shorted TROUBLE SYMPTOM Rear wiper may not operate on ACC WIRING DIAGRAM IGNITION SWITCH BATTERY MAIN 11 1 2 3411 7 8 1112 13 14 15 16 17 18 19 20 21 22 29 24 25 26 27 28 29 30 31 32 33 34135 1 2 3 4 4151 e 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 2627 8 29 30 ACC POWER SUPPLY FB 37 No 12
59. eplace NESS 0 the open circuit of 1 Disconnect the auto A C control module harness connector 2 Disconnect the body integrated unit con nector 3 Measure the resistance of harness between body integrated unit and auto A C control unit Connector amp terminal B280 No 26 B283 No 1 B280 No 25 B283 No 11 CHECK COMBINATION METER HARNESS 15 the resistance less than 10 Go to step 9 Repair or replace 1 Disconnect the combination meter connec Q the open circuit of tor harness 2 Disconnect the body integrated unit con nector 3 Measure the resistance between bogy inte grated unit and combination meter connector Connector amp terminal i84 No 26 i10 No 22 i84 No 27 i10 No 21 LAN diag 68 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK CENTER DISPLAY 1 Display the current data of body integrated unit using Subaru Select Monitor 2 Read the fail display of center display Is center display fail OK Go to step 8 Replace the center display CHECK AUTO A C CONTROL UNIT Perform the auto A C control unit self diagno sis Ref to AC diag 13 A C CONTROL SYSTEM SELF DIAGNOSIS OPERATION Diagnostic Chart for Self Diagnosis gt Is the self diagnosis OK Go to step 9 Replace the auto A C control unit Ref to AC 32 Control Unit Auto Mode
60. er back buzzer setup ON Not equipped Hazard answer back setup ON Automatic locking setup ON Ans back Buzzer Yes No Not equipped Auto locking Yes No Door open warning prevention of battery run out Yes No A C ECM setting Yes No Model with auto A C P W setting Yes No Not equipped Center display failure Yes No Model with center display Wiper deicer Yes No Optional setting Rear fog light setting Yes No Optional setting Factory initial setting Manufacture Market Not change to Manufacture mode Security setting Specified security set ting Yes LAN diag 17 No Operate the selected security set EK model Subaru Select Monitor LAN SYSTEM DIAGNOSTICS 6 REGISTRATION BODY INTEGRATED UNIT EQUIPMENT SETTING CAUTION Body integrated unit is core of LAN system and also can select the function of all vehicle sys tem control It is possible to control the original functions of vehicle when registrations of body integrated unit and function setting are corre sponded to vehicle equipment If registrations and function setting are differ ent from vehicle equipment vehicle system does not operate normally and diagnosis can not be performed correctly Pay attention to items below Be sure to correspond registrations and function settings to vehicle equipment
61. gistration Remarks Illumination control does not operate if A C ECM ON setting is set to OFF case of model with auto A C 21 A C EOM settin OFF 9 If A C ECM setting is set to ON in case of model OFF without auto A C illumination change to night illu mination and it is difficult to be recognized ON i 22 P W setting OFF Be sure to set P W ECM setting to OFF OFF Auto reverse function ON Information may not be displayed on center display 23 Center display failure OFF OFF if Center display failure is set to OFF in case of model with center display ON ON signal does not output with operation of wiper 24 Wiperdeicer OP OFF OFF deicer switch if Wiperdeicer is set to OFF in model with wiper deicer ON Vehicle is controlled in rear fog light equipped mode 25 Rear fog light setting OP OFF Vehicle is controlled in rear fog light no equipped OFF mode Be sure to set to OFF in model without rear fog light Factory initial setting Factory Reset If Factory initial setting is set to Factory registra 26 Reset of body integrated Factory Market Settl tions of items above is changed to OFF Be sure unit arket Settlement to set to Market CAUTION It is possible to control the original functions of vehicle when registrations of body integrated unit and function setting are corresponded to vehicle equipment When body integrated unit is new one or Factory mode key
62. harness in related lines of Repair or replace the open circuit of harness Go to step 2 CHECK TCM Read the DTC of TCM using Subaru Select Monitor Ref to 4AT diag 17 READ DIAG NOSTIC TROUBLE CODE DTC OPERA TION Subaru Select Monitor Ref to 5AT diag 16 READ DIAGNOSTIC TROU BLE CODE DTC OPERATION Subaru Select Monitor Is DTC other than CAN com munication displayed LAN diag 61 Perform the diag nosis according to DTC Replace the TCM Ref to 4AT 65 Transmission Con trol Module TCM Ref to 61 Transmis sion Control Mod ule gt Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Q DTC B0223 CAN HS VDC ABS NO RECEIVE DATA DTC DETECTING CONDITION Defective VDC ABSOM If error is in the main harness DTC P0600 High speed CAN circuit is input at the same time TROUBLE SYMPTOM ABS warning light and VDC warning light come on Er HC is displayed in odo trip meter WIRING DIAGRAM BODY INTEGRATED STEERING ANGLE SENSOR n n n n ECM Ni lt 5 lt o CO Ln n a LULA VV VY BIE ABSCM amp H U REF GROUND DISTRIBUTION GND 02 1 2 3 114 5 6 7 11213 8 9 10 11 1
63. illumination blinks to show equip ment settings does not completed Be sure not to change Factory initial setting except installation of new body integrated unit NOTE Factory mode Body integrated unit has been not set yet It can be recognized by key illumination blinking with ignition switch turned to ON All body integrated units as part for repair are set to Factory mode When replacing a body integrated unit be sure to perform the registration operation Market mode Each settings have been set It can be recognized by key illumination coming on in concocting with room light and going off with ignition switch turned to ON LAN diag 19 Subaru Select Monitor LAN SYSTEM DIAGNOSTICS 7 Perform the Factory setting On the ECM cus tomizing display screen of Subaru Select Monitor select the Factory initial setting and press the YES key 8 Change the mode from Factory into Market 9 Replace the immobilizer cartridge and register the immobilizer key Model with immobilizer 10 Perform the registration according to the proce dures of IMMOBILIZER REGISTRATION MANU AL 11 When key registration is completed Do you want to register remote engine start is displayed Perform the registration only if equipped 12 Perform the function setting ECM customiz ing lt Ref to LAN diag 21 FUNCTION SETTING ECM CUSTOMIZING OPERATION Subaru Se lect Monitor gt NOTE For details
64. it the short circuit of nector B280 Ref to SL 46 harness 2 Measure the resistance between inte Body Integrated grated unit connector B280 and chassis Unit ground Connector amp terminal B280 No 6 Chassis ground LAN diag 43 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS I DTC B0107 R FOG LAMP CIRCUIT FAILURE DTC DETECTING CONDITION Rear fog input output circuits are ground shorted TROUBLE SYMPTOM Rear fog light does not come on or go off Indicator in the combination meter may not be goes off WIRING DIAGRAM REF TO POWER SUPPLY ROUTING 1 2 13 4 5 6 7 8 9 10 11 12 13 14 15 16 17 FB 2 FB 14 F B FUSE No 1 F B FUSE No 16 B REAR FOG 11213 4 5 6 7 LIGHT RELAY 1112 13 14 15 16 17 18 19 20 8 21 22 23 24 25 26 27 28 29 30 BODY INTEGRATED UNIT 11112 13 14 15116 17 18 19 8 20121 22 23 24 25 26 27 28 280 B281 REAR FOG LIGHT LIS e 7 24 REAR FOG arya uj 2 1516 90 23 24 5 6 bs pe 8 26 o 38 2728 31 32 35 36 39 40
65. k SW input ON OFF SPORT Shift DOWN DOWN OFF Lock SW front hood ON OFF SPORT Shift buzzer 1 ON OFF Bright SW input ON OFF SPORT Shift buzzer 2 ON OFF Tiptronic Mode Switch ON OFF ABS VDC Judging ABS VDC TIP UPSW input ON OFF ADA Existence Judging Yes No TIP DOWN SW input ON OFF Small lamp SW ON OFF P SW ON OFF Headlamp ON OFF R wiper ON SW input ON OFF Headlight HI ON OFF R wiper INT SW input ON OFF Turn signal LH ON OFF R washer SW input ON OFF Turn signal RH ON OFF wiper deicer SW input ON OFF Rr Defogger SW ON OFF Rear Defogger SW ON OFF Australia Judging Flag Australia Others Driver s Seat SW input ON OFF Tire 18inch flag 18 in others P seatbelt SW input ON OFF Number of cylinders 4 cylinders 6 cylinders Fr wiper input ON OFF Cam shaft specification SOHC DOHC Registration SW input ON OFF Turbo Turbo Non turbo Identification SW input ON OFF E G displacement 2 5L 2 5 L OFF Rr defogger output ON OFF E G displacement 3 0L 3 0 L OFF lock actuat LOCK output ON OFF AT MT identification terminal AT model MT model All seat UNLOCK output ON OFF E G cooling fan ON OFF D seat UNLOCK output ON OFF Heater cock
66. l gt CHECK COMBINATION METER Perform the self diagnosis for combination meter system Ref to IDI 3 SELF DIAGNO SIS INSPECTION Combination Meter Sys tem Is the self diagnosis OK Go to step 10 Replace the com bination meter Ref to IDI 16 Combination Meter Assembly CHECK BODY INTEGRATED UNIT Read the data of body integrated unit data received on ECM data display using Subaru Select Monitor Is the Yes displayed Go to step 11 Replace the body integrated unit Ref to SL 46 Body Integrated Unit CHECK BODY INTEGRATED UNIT Read the data of body integrated unit counter update on ECM data display using Subaru Select Monitor Is the Yes displayed LAN diag 69 Temporary poor contact occurs Check the connec tion of connector Replace the body integrated unit Ref to SL 46 Body Integrated Unit Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS T DTC B0302 CAN LS BUS OFF DTC DETECTING CONDITION Because of occurring a lot of error data some units are disconnected not to affect other units Communication error from the unit which error is occurred is input at the same time TROUBLE SYMPTOM Er LC is displayed in odo trip meter WIRING DIAGRAM 1 2 3 4 rA 1516 718 COMBINATION METER 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
67. lated line of body integrated unit Repair or replace the open circuit of harness Go to step 4 CHECK HARNESS 1 Disconnect the harness connector of body integrated unit 2 Measure the voltage between the harness connector terminal and chassis ground tion switch ON Connector amp terminal B280 No 20 Chassis ground B280 No 30 Chassis ground Is the voltage more than 6 V Repair or replace the short circuit of harness Go to step 5 CHECK END RESISTANCE 1 Disconnect the VDC ABSCM harness con nector 2 Measure the resistance between VDC ABSCM connector terminals Connector amp terminal ABS B301 No 11 No 26 VDC B310 No 13 No 29 Is the resistance between 115 125 0 Go to step 6 End resistance is opened Replace the VDC ABSCM Ref to ABS 6 ABS Control Mod ule and Hydraulic Control Unit ABSCM amp H U Ref to VDC 7 VDC Control Mod ule amp Hydraulic Control Unit VDCCM amp H U CHECK HARNESS 1 Disconnect the body integrated unit con nector B280 and VDC ABSCM connector ABS B301 VDC 310 2 Measure the resistance between harness connector terminals Connector amp terminal ABS B301 No 11 B280 No 30 B301 No 26 B280 No 20 VDC B310 No 13 B280 No 20 B310 No 29 B280 No 30 Is the resistance less than 10 Q LAN diag 63 Go to step 7
68. lect the Each System Check and press the YES key 2 On the System Selection Menu display screen select the Integ Unit mode and press the YES key 3 On the Integ Unit mode failuer diag display screen select the System Operation Check Mode and press the YES key 4 Select item to operate on the System Operation Check Mode display screen with UP Down key and press the YES key Function check Heater cock valve output lock actuat LOCK output All seat UNLOCK output Double lock Solenoid Shift Lock Solenoid key locking output Horn output LANODOS 5 Pressing YES starts NO cancels the opera tion and YES returns to the System Operation Check Mode display screen NOTE If not equipped based on area or condition pro cess will not go on LAN diag 23 LAN SYSTEM DIAGNOSTICS Read Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS 7 Read Diagnostic Trouble Code DTC A OPERATION 1 WITHOUT SUBARU SELECT MONITOR NOTE Use the Subaru Select Monitor because DTCs can not be read out 2 WITH SUBARU SELECT MONITOR For details concerning DTC reading procedure re fer to Subaru Select Monitor Ref to LAN diag 14 READ DIAGNOSTIC TROUBLE CODE DTC OPERATION Subaru Select Monitor LAN diag 24 LAN SYSTEM DIAGNOSTICS 8 Clear Memory Mode A OPERATION 1 WITHOUT SUBARU SELECT MONITOR NOTE Use the Subaru
69. link connector and chassis ground Connector amp terminal B40 No 10 Chassis ground Is the resistance more than 1 Go to step 7 Repair the har ness and connec tor between each control unit and Subaru Select Monitor CHECK OUTPUT SIGNAL TO BODY INTE GRATED UNIT 1 Turn the ignition switch to ON 2 Measure the voltage between body inte grated unit and chassis ground Connector amp terminal B40 No 10 Chassis ground Is the voltage less than 1 V Go to step 8 Repair the har ness and connec tor between each control unit and Subaru Select Monitor CHECK HARNESS CONNECTOR BETWEEN BODY INTEGRATED UNIT AND DATA LINK CONNECTOR Measure the resistance between inte grated unit and data link connector Connector amp terminal B40 No 10 B280 No 19 Is the resistance less than 1 Q Go to step 9 Repair the har ness and connec tor between body integrated unit and Subaru Select Monitor CHECK INSTALLATION OF BODY INTE GRATED UNIT CONNECTOR Turn the ignition switch to OFF Is the body integrated unit con nector inserted into body inte grated unit until the clamp locks onto it LAN diag 31 Go to step 10 Insert the body integrated unit connector into body integrated unit Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK POWER SUPPLY CIRCU
70. m ST24082AA230 22771 030 SUBARU SELECT Troubleshooting for electrical system MONITOR KIT English 22771AA030 Without printer German 22771AA070 Without printer French 22771AA080 Without printer Spanish 22771AA090 Without printer ST22771AA030 2 GENERAL TOOL TOOL NAME REMARKS Circuit tester Used for measuring resistance voltage and ampere LAN diag 6 Electrical Component Location LAN SYSTEM DIAGNOSTICS 4 Electrical Component Location A LOCATION LANOO101 1 Body integrated unit control panel 10 Steering angle sensor 2 Engine control module ECM 7 Center display 11 ABSCM amp H U or VDCCM amp H U In 3 Auto A C control unit 8 Transmission control module engine compartment 4 Navigation module 12 Odo trip meter 5 Keyless entry control unit 9 Combination meter Antenna LAN diag 7 Electrical Component Location LAN SYSTEM DIAGNOSTICS LANO0008 SET LANOO 11 LAN diag 8 Control Module Signal LAN SYSTEM DIAGNOSTICS 5 Control Module Signal A ELECTRICAL SPECIFICATION a B 8288 c 281 iT2 Belo ole 7 8 215 S 7
71. nit Ref to SL 46 Body Integrated Unit Temporary poor contact occurs Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS H DTC B0106 SHIFT LOCK CIRCUIT FAILURE DTC DETECTING CONDITION Shift lock circuit is ground shorted TROUBLE SYMPTOM Key interlock does not unlock or lock WIRING DIAGRAM REF TO POWER SUPPLY ROUTING FB 28 FB 37 MB 28 FB 3 F B FUSE No 31 F B FUSE No 12 M B FUSE No 34 F B FUSE No 8 ACC IG B B tr i WITH CRUI SHIFT LOCK SOLENOID 5 REF TO GND 02 STOP LIGHT SWITCH oc JOINT FUSE BOX WITHOUT CRUISE CONTROL SE CONTROL B64 l 5 AJN EXS 00 ee EXS E E 1 2 3 414 rA s e 7 e 9 10 11 12 13 1415 1617 18 19 20 21 22 23 24 25 26 27 28 29 0 31 32133 34 35 1 2 8 r4 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21122 23 24 25 26 7 8 29 30 1 21 3 4 5 6 7 8 9110 1112 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 LANO0025 LAN diag 42 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK HARNESS Is the resistance 10 30 to step 5 Go to step
72. of body integrated display unit using Subaru Select Monitor 2 Read the fail display of center display CHECK NAVIGATION Is NAVI fail OK Replace the center Send the naviga 1 Display the current data of body integrated display tion unit to repair unit using Subaru Select Monitor center 2 Read the display of NAVI fail LAN diag 74 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS W DTC B0321 CAN LS METER NO RECEIVE DATA DTC DETECTING CONDITION Combination meter unit error or harness between the main harness splice and combination meter unit is open or short the connector is not connected securely and the terminal has poor caulking TROUBLE SYMPTOM Fail mode occurs because the data is not received from combination meter unit WIRING DIAGRAM D COMBINATION METER 1 2 5 6 7 8 9 10 11 12 13 14115 16 17 18 19 20 21 22 23 24 05 26 27 2829 34135 BLACK 1 2 s 4 5 m e s 9 to 11112 13 14 15 1617 18 19 20 21 22 CAN JOINT CONNECTOR Q gt 1 2 3 4 5 e 7 8 9 v 12 INTEGRATED UNIT LANO0032 LAN diag 75 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No
73. on ECM data display using Subaru Select Monitor Go to step 3 Is the voltage more than 6 V Repair or replace to step 4 the short circuit of harness Repair or replace the short circuit of harness Go to step 5 Is the Yes displayed Go to step 6 Replace the body integrated unit Ref to SL 46 Body Integrated Unit Replace the body CHECK BODY INTEGRATED UNIT Temporary poor Is the Yes displayed Read the data of body integrated unit counter update on ECM data display using Subaru Select Monitor LAN diag 46 contact occurs Check the con nected condition of connector read the DTC again to make sure that the DTC is not output integrated unit Ref to SL 46 Body Integrated Unit Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS K DTC B0202 CAN HS BUS OFF DTC DETECTING CONDITION Locate the unit or CAN line which trouble occurs and repair and replace it Not received data and error data may be detected at the same time TROUBLE SYMPTOM Er is displayed in odo trip meter WIRING DIAGRAM BODY INTEGRATED 20 1 E __ EE 297 STEERING ANGLE SENSOR nn nna 2 ANAL VVVVVY E 3 TWISTED WIRE lt a lt yyy yy Vy 4 2 0 L SOHC RHD MODEL 2 5 L KA RHD MODEL 2 0 L LHD MODEL
74. ord ECM Ref to 2 Measure the resistance between ECM con ing to Ref 450 2 0 34 nector terminals to EN H4SO Engine Control Connector amp terminal 2 0 diag 25 Module gt 1 2 0 L SOHC RHD model 2 5 L KA READ DIAGNOS Ref to 45 RHD model 2 0 L LHD model 2 5 L KS TIC TROUBLE 2 5 36 Engine LHD model CODE DTC FOR Control Module B136 No 13 No 14 ENGINE NOR gt Ref to 2 Except for 2 0 L SOHC RHD and 2 5 L MAL MODE FU H4DOTC 35 KA RHD model 2 5 L EC K4 LHD OPERATION Engine Control model 3 0 L LHD model Subaru Select Module ECM gt B137 No 18 No 26 Monitor Ref to Ref to EN H4SO FU H6DO 34 2 5 diag 26 Engine Control READ DIAGNOS Module gt TIC TROUBLE CODE DTC FOR ENGINE NOR MAL MODE OPERATION Subaru Select Monitor Ref to EN H4DOTC diag 21 READ DIAG NOSTIC TROU BLE CODE DTC FOR ENGINE NORMAL MODE OPERA TION Subaru Select Monitor gt lt Ref to EN H6DO diag 25 READ DIAG NOSTIC TROU BLE CODE DTC FOR ENGINE NORMAL MODE OPERA TION Subaru Select Monitor LAN diag 58 Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK HARNESS 1 Disconnect the ECM connector 1 B136 2 B137 2 Measure the resistance between harness connector and chassis ground Connector amp
75. ouble Code DTC gt Immobilizer Key collation NG Malfunction related immo bilizer Ref to IM diag 15 List of Diagnostic Trouble Code DTC gt E G request NG Malfunction related immo bilizer Ref to IM diag 15 List of Diagnostic Trouble Code DTC Keyless UART com Malfunction Open or short circuit in keyless UART circuit LAN diag 29 Ref to LAN diag 77 DTC B0500 KEYLESS UART COM MALFUNCTION Diagnostic Pro cedure with Diagnostic Trouble Code DTC gt Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS 12 Diagnostic Procedure with Diagnostic Trouble Code DTC A COMMUNICATION FOR INITIALIZING IMPOSSIBLE NOTE DTC is displayed in the sequence of the amount of counter numbers When more than two DTCs are displayed perform the diagnosis of top of them DIAGNOSIS Subaru Select Monitor communication line is open or shorted TROUBLE SYMPTOM Not communicable with Subaru Select Monitor WIRING DIAGRAM BODY INTEGRATED UNIT IGNITION RELAY DATA LINK CONNECTOR A 8280 BLACK 1 2 s 4 5 6 7 s 1 2 8 4 5 6 7 9 10 11 12 13 14 1516 17 18 1920 21 22 23 8 9110111 12113 14 15116 17 18 19 1 2 3 4 5 6 7 8 24 25 2627 28 29 30 31 32 33 34135 20 21 22123 27 28 9 10 14 12 13 14 15 16
76. ouble code is displayed on Subaru Select Monitor NOTE If DTC is not displayed on Subaru Select Monitor LAN communication System should be OK Step Check Yes No 1 CHECK FREEZE FRAME DATA WITH COM Is the freeze frame data dis Perform the diag Go to step 2 BINATION METER Turn the ignition switch to ON played nosis according to freeze frame data 2 CHECK COMBINATION METER Is combination meter OK Go to step 3 Replace the com Perform the self diagnosis of combination bination meter meter Ref to IDI 16 Combination Meter Assembly gt 3 CHECK BODY INTEGRATED UNIT Is the Yes displayed Go to step 4 Replace the body 1 Display the current data of ECM using Sub aru Select Monitor 2 Check data of body integrated unit data received integrated unit Ref to SL 46 Body Integrated Unit 4 CHECK BODY INTEGRATED UNIT 1 Display the current data of ECM using Sub aru Select Monitor 2 Check data of body integrated unit counter update Is the Yes displayed Repair the poor contact connector Replace the body integrated unit Ref to SL 46 Body Integrated Unit C DTC B0100 INTEG UNIT SYSTEM ERROR DTC DETECTING CONDITION System error in body integrated unit TROUBLE SYMPTOM Check light comes on in the combination meter and displays freeze frame data Er IU LAN communication immobilizer function may not be executed normally Step
77. r 3 Measure the resistance between bogy inte grated unit and combination meter connector Connector amp terminal i84 No 26 i10 No 22 i84 No 27 i10 No 21 Is the resistance less than 10 Q Go to step 9 Repair or replace the open circuit of harness CHECK CENTER DISPLAY 1 Display the current data of body integrated unit using Subaru Select Monitor 2 Read the fail display of center display Is center display fail OK Go to step 8 Replace the center display CHECK AUTO A C CONTROL UNIT Perform the auto A C control unit self diagno sis lt Ref to AC diag 13 CONTROL SYSTEM SELF DIAGNOSIS OPERATION Diagnostic Chart for Self Diagnosis gt Is the self diagnosis OK LAN diag 71 Go to step 9 Replace the auto A C control unit Ref to AC 32 Control Unit Auto Model gt Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS Step Check Yes No CHECK COMBINATION METER Perform the self diagnosis for combination meter system Ref to IDI 3 SELF DIAGNO SIS INSPECTION Combination Meter Sys tem Is the self diagnosis OK Go to step 10 Replace the com bination meter Ref to IDI 16 Combination Meter Assembly CHECK BODY INTEGRATED UNIT Read the data of body integrated unit data received on ECM data display using Subaru Select Monitor Is the Yes displayed Go to s
78. stallation Forthe model with immobilizer registration of immobilizer may be needed after the replacement of controller and etc For detail procedure refer to REGISTRATION MANUAL FOR IMMOBILIZER NOTE To check harness for broken wires or short circuits shake it while holding it or the connector e Check List for Interview Ref to LAN diag 3 Check List for Interview Step Check Yes No CHECK PRE INSPECTION Is freeze frame data dis Go to step 3 Go to step 2 1 Ask the customer when and how the trou played ble occurred using interview check list Ref to LAN diag 3 Check List for Interview 2 Check the display of freeze frame data Combination meter odo trip meter BASIC INSPECTION Is the component that might Go to step 3 Repair or replace Check the components which might affect influence the body control each unit body control Ref to LAN diag 5 INSPEC problem normal TION General Description CHECK INDICATION OF DTC Is DTC displayed Go to step 5 Go to step 4 1 Read the DTC Ref to LAN diag 14 READ DIAGNOSTIC TROUBLE CODE DTC OPERATION Subaru Select Monitor NOTE If the communication function of the Subaru Se lect Monitor cannot be executed normally check the communication circuit Ref to LAN diag 30 COMMUNICATION FOR INI TIALIZING IMPOSSIBLE Diagnostic Proce dure with Diagnostic Trouble Code DTC gt 2 Record all DTCs and freeze frame data PERFORM THE GENERAL DIAGNOSTIC
79. switch ON Rear wiper power sup ply B280 10 13V Rear wiper ON output B280 10 13V Rear wiper switch ON Rear wiper return B280 Less than 10 B1 B8 1 or less LAN diag 10 At wiper reversing Description Connector No Control Module Signal Terminal No Signal V or Ignition switch ON engine OFF LAN SYSTEM DIAGNOSTICS NOTE Room light output B280 B3 Less than 10 When LOCK UNLOCK with key less entry Key ring illumination output B280 B4 Less than 1 Ignition key removed driver door open Turn hazard output B280 Less than 1 When operating keyless entry answer back Keyless buzzer output 184 Less than 10 When operating keyless entry answer back Immobilizer pilot light 184 Less than 10 At ignition key removed immobi lizer operating Kick down switch B280 B12 Less than 1 Kick down switch ON Keyless communication 184 9 2 10 At keyless entry signal received High speed CAN circuit Hi B280 B20 High speed CAN circuit Lo B280 B30 Between B20 B30 Serial communication At communicating sending and receiving Low speed CAN circuit 1 Hi 184 26 Low speed circuit 1 Lo 184 25 25 26 Serial communication At communicating
80. t Sensor Setup is set to Impact sensor in active condition 6 Impact Sensor Setup OFF Impact sensor in inactive condition OFF Set Impact Sensor Setup of model without impact sensor to OFF After doors are locked by keyless entry system operated Alarm monitor starts in following time 7 Alarm monitor delay setting ON ON Delay time is 30 seconds OFF Delay time is 0 second Lockout prevention in active condition froskputiprevention ON ON ded does not operate if safety knob is OFF Lockout prevention in inactive condition Vehicle is controlled in impact sensor equipped mode Set Impact sensor to OFF in model without impact sensor If ON Impact sensor is set to hazard horn or siren operate 3 Impact sensor OP OFF after doors are locked by keyless entry system operated Alarm monitor starting OFF Vehicle is controlled in impact sensor no equipped mode Siren sounds when alarm operates 10 Siren setting OFF ON Set Siren setting to OFF in model without siren Horn does not sound if Siren setting is set to ON OFF Horn sounds when alarm operates LAN diag 21 LAN SYSTEM DIAGNOSTICS Initial setting value Customize setting Subaru Select Monitor Remarks Answer back buzzer setup ON Workable when Answer back buzzer setup is set to When lock unlock is selected by keyless entry system oper ated answer back buzzer sounds When lock unlock is selected
81. t the Integ Unit mode and press the YES key 3 On the Integ Unit mode failuer diag display screen select the ECM customizing and press the YES key 4 Change the setting with UP DOWN key and press the YES key List of function setting item ECM customizing Initial No Data setting Customize setting Remarks value Delay time below can be selected by setting Setting After door closed After key unlock 3 OFF 0 sec 0 sec 1 Off delay time Normal Short 10 5 20 Long 8 sec 30 sec Workable when Auto locking is set to ON and Automatic locking setup is 55 en be changes by 10 seconds 0 OFF 60 maxi mum Rear defogger stops in 15 minutes automatically after 15 min o 3 Rr defogger mode 15 min Continuation Rear defogger repeats active condition for 15 minutes and inactive condition for 2 minutes until switch is turned to OFF Wiper deicer stops in 15 minutes automatically after switch 15 min 4 Wiper deicer op mode 15 min Continuation Wiper deicer repeats active condition for 15 minutes and inactive condition for 2 minutes until switch is turned to OFF ON Security alarm horn or siren in active condition QE OFF Security alarm in inactive condition ON Workable when Impac
82. ta from VDC ABS unit Ref to LAN diag 62 DTC B0223 CAN HS VDC ABS NO RECEIVE DATA Diagnostic Pro cedure with Diagnostic Trouble Code DTC gt CAN LS malfunction Open or short in low speed CAN circuit on each side or both sides Ref to LAN diag 65 DTC B0300 CAN LS MALFUNCTION Diagnostic Procedure with Diagnostic Trouble Code DTC gt CAN LS fail error counter abnor mal Malfunction of low speed CAN communication Ref to LAN diag 68 DTC B0301 CAN LS COUNTER ABNORMAL Diagnostic Procedure with Diagnostic Trouble Code DTC gt CAN LS bus off Any unit is cut communi cation Ref to LAN diag 70 DTC B0302 CAN LS BUS OFF Diagnostic Procedure with Diagnos tic Trouble Code DTC gt CAN LS meter unit data abnormal Received error data from meter Ref to LAN diag 73 DTC B0311 CAN LS METER UNIT DATA ABNORMAL Diagnostic Procedure with Diagnostic Trouble Code DTC gt CAN LS monitor data abnormal Received error data from monitor unit Ref to LAN diag 74 DTC B0313 CAN LS MONITOR DATA ABNORMAL Diagnostic Pro cedure with Diagnostic Trouble Code DTC gt CAN LS meter no receive data Not received error data from meter Ref to LAN diag 75 DTC B0321 CAN LS METER NO RECEIVE DATA Diagnostic Pro cedure with Diagnostic Trouble Code DTC gt M collation NG Malfunction related immo bilizer Ref to IM diag 15 List of Diagnostic Tr
83. tep 11 Replace the body integrated unit Ref to SL 46 Body Integrated Unit CHECK BODY INTEGRATED UNIT Read the data of body integrated unit counter update on ECM data display using Subaru Select Monitor Is the Yes displayed LAN diag 72 Connect all the connector and make sure same DTC is not dis played Replace the body integrated unit Ref to SL 46 Body Integrated Unit Diagnostic Procedure with Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS U DTC B0311 CAN LS METER UNIT DATA ABNORMAL DTC DETECTING CONDITION Combination meter error or harness between the main harness splice and combination meter is open or short the connector is not connected securely and the terminal has poor caulking TROUBLE SYMPTOM Er Lc is displayed in odo trip meter WIRING DIAGRAM COMBINATION METER 112 3 4 5 6 7 8 10 11 12 13 14 As 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 BLACK 1 2 3 4 5 116 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 CAN JOINT CONNECTOR e 7 8 9 v 1 AB TWISTED WIRE INTEGRATED UNIT LANO0032 Yes No Read the DTC Replace the com again and then bination meter Check Is the self diagnosis OK
84. ter display connector Connector amp terminal Model with navigation i90 No 6 i77 No 5 i90 No 14 i77 No 11 Model without navigation i103 No 2 i77 No 5 i103 No 4 i77 No 11 Is the resistance less than 10 Q Go to step 4 Repair or replace the open circuit of harness CHECK HARNESS 1 Disconnect the body integrated unit con nector B280 and auto A C control unit con nector B238 2 Measure the resistance between bogy inte grated unit connector and auto A C control unit connector Connector amp terminal B238 No 1 B280 No 26 B238 No 11 B280 No 25 Is the resistance less than 10 Q Go to step 5 Repair or replace the open circuit of harness CHECK HARNESS 1 Connect the junction connector 2 Measure the resistance between bogy inte grated unit connector and chassis ground Connector amp terminal B280 No 25 Chassis ground B280 No 26 Chassis ground i84 No 26 Chassis ground i84 No 27 Chassis ground Is the resistance less than 10 Q Repair or replace the short circuit of harness Go to step 6 CHECK HARNESS 1 Turn the ignition switch to ON 2 Measure the voltage between inte grated unit connector and chassis ground Connector amp terminal B280 No 25 Chassis ground B280 No 26 Chassis ground i84 No 26 Chassis ground i84
85. ter display screen 3 Select the item from A Keyless entry or B Various setup on the touch panel A B W 1 2 LANOO 1 12 4 Change the setting on the touch panel which contains item to be changed 5 Return to the information display screen and complete it Function setting item list Setting Auto lock Keyless Auto lock time setting Answerback hazard Room light delay time Anti lock out Rear defogger Wiper deicer 2 WITH SUBARU SELECT MONITOR For detailed procedures of function setting ECM customizing refer to SUBARU SELECT MONI TOR Ref to LAN diag 21 FUNCTION SET TING ECM CUSTOMIZING OPERATION Subaru Select Monitor gt Each function LAN diag 27 List of Diagnostic Trouble Code DTC LAN SYSTEM DIAGNOSTICS 11 List of Diagnostic Trouble Code DTC A LIST Item Content of diagnosis NOTE Communication for initializing impossible Open or short in Subaru Select Monitor communi cation line Ref to LAN diag 30 COMMUNICATION FOR INITIALIZING IMPOSSIBLE Diagnostic Procedure with Diagnostic Trouble Code DTC gt DTC is not stored Internal error of combina tion meter lt Ref to LAN diag 33 DIAGNOSTIC TROU BLE CODE DTC IS NOT STORED Diagnostic Procedure with Diagnostic Trouble Code DTC gt Integ unit system error Body integrated unit inter nal error lt
86. terminal 1 2 0 L SOHC RHD model 2 5 L KA RHD model 2 0 L LHD model 2 5 L KS LHD model B136 No 13 Chassis ground B136 No 14 Chassis ground 2 Except for 2 0 L SOHC RHD and 2 5 L KA RHD model 2 5 L EC K4 LHD model 3 0 L LHD model B137 No 18 Chassis ground B137 No 26 Chassis ground Is the resistance less than 10 Q Repair or replace the short circuit of harness Go to step 6 CHECK HARNESS 1 Disconnect the body integrated unit con nector B280 ECM connector 1 B136 2 B137 TCM connector B54 ABS B301 VDC B310 CM connector 2 Measure the input voltage between har ness connector and chassis ground while turn ing the ignition switch to ON Connector amp terminal B280 No 20 Chassis ground B280 30 Chassis ground Is the voltage more than 6 V LAN diag 59 Repair or replace the short circuit of harness Read the DTC of ECM Perform the diagnosis accord ing to DTC Ref to 45 2 0 diag 25 READ DIAGNOS TIC TROUBLE CODE DTC FOR ENGINE NOR MAL MODE OPERATION Subaru Select Monitor Ref to EN H4SO 2 5 diag 26 READ DIAGNOS TIC TROUBLE CODE DTC FOR ENGINE NOR MAL MODE OPERATION Subaru Select Monitor Ref to EN H4DOTC diag 21 READ DIAG NOSTIC TROU BLE CODE DTC FOR ENGINE NORMAL MODE OPERA TION Subaru Select Monitor gt lt Ref to EN H6D
87. valve ON OFF R gate trunk UNLK output ON OFF Power window Up ON OFF Double lock output ON OFF Power window Down ON OFF R wiper output ON OFF Keyless buzzer ON OFF Shift Lock Solenoid ON OFF Bright Request ON OFF Key locking output ON OFF P W ECM Failure NG OK wiper deicer SW input ON OFF Keyless Hook SW ON OFF Starter cutting output ON OFF Door lock SW Open ON OFF Hazard Output ON OFF Door lock SW Close ON OFF Keyless Buzzer Output ON OFF Door Key SW Open ON OFF Horn Output ON OFF Door Key SW Close ON OFF Siren Output ON OFF Under hook registration ON OFF D belt warning light O P ON OFF Hook registration end ON OFF P belt warning light O P ON OFF Unlock request ON OFF Illumination lamp O P ON OFF Center display failure OK NG Room lamp output ON OFF NAVI Failure OK NG key illumi lamp ON OFF IE Bus failure LAN diag 16 Can not use Subaru Select Mo nitor LAN SYSTEM DIAGNOSTICS Items to be displayed Unit of measure Auto A C failure OK NG EBD Warning Light OK OFF ABS Warning Light OK OFF VDC OFF flag ON OFF VDC ABS OK B OK NG VDC ABS condition 0 4 Destinat 0 16 Touch
88. when the number of blower fan level is changed on air conditioner control part Does the data display change Go to step 3 Go to step 5 CHECK COMBINATION METER 1 Display the current data of body integrated unit using Subaru Select Monitor 2 Display the door switch in analog data 3 Read the display of data and combination meter when each door is opened closed Does the indicator of data and combination meter on body integrated unit change accord ing to operation Go to step 4 Go to step 6 CHECK CENTER DISPLAY HARNESS 1 Disconnect the center display harness con nector and CAN joint connector 2 Measure the resistance between harness connectors Connector amp terminal i90 No 14 i77 No 11 i90 No 6 i77 No 5 Is the resistance less than 10 Q Go to step 7 Repair or replace the open circuit of harness CHECK AUTO A C CONTROL UNIT HAR NESS 1 Disconnect the auto A C control module connector 2 Disconnect the body integrated unit con nector 3 Measure the resistance of harness between body integrated unit and auto A C control unit Connector amp terminal B280 No 26 D283 No 1 B280 No 25 D283 No 11 Is the resistance less than 10 Q Go to step 8 Repair or replace the open circuit of harness CHECK COMBINATION METER HARNESS 1 Disconnect the combination meter connec tor 2 Disconnect the body integrated unit con necto
89. witch 184 Less than 1 Wiper deicer switch ON Wiper deicer relay out put B280 Less than 1 Wiper deicer relay ON Rear defogger switch 184 Less than 1 Rear defogger switch ON Rear defogger relay output 281 Less than 1 Rear defogger relay ON Shift switch ON B281 Less than 1 At Manual mode Shift switch UP B281 Less than 1 At Manual mode UP Shift switch DOWN B281 Less than 1 At Manual mode DOWN P range switch B281 Less than 1 Impact sensor B281 Less than 1 Impact sensor ON Model with immobilizer Fuel level sensor B281 0 102 30 Ambient sensor B281 0 5 4 5V SIG B281 Less than 1 GND Seat belt switch driver s seat 184 Less than 10 Driver s seat belt worn Seat belt switch passenger s seat 184 Less than 1 Passenger s seat belt worn Seat belt warning light driver s seat 184 Less than 1 Driver s seat belt worn Seat belt warning light passenger s seat B281 Less than 10 Passenger s seat belt worn Sedan Wagon identifi cation switch B281 Sedan 10 13 V Wagon 0 5 V Rear wiper switch ON B281 Less than 1 Rear wiper switch ON Rear wiper switch INT B281 Less than 10 Rear wiper switch ON Rear washer switch B281 Less than 1 Rear washer
90. y warning Replace the key 1 Disconnect the key warning switch connec switch less entry control tor B350 module Ref to 2 Close all the door and then perform the SL 45 Keyless LOCK UNLOCK operation on keyless entry Entry Control operation Unit LAN diag 78 General Diagnostic Table 13 General Diagnostic Table A INSPECTION Read the DTC or inspect and diagnose the following data in the current data display using Subaru Select Monitor 1 LAN SYSTEM Item Operation LAN SYSTEM DIAGNOSTICS Specifications YES NO Diagnostic code DTC is not displayed when inspect ing all DTCs DTC is not dis played Perform the diag nosis according to DTC Engine coolant temperature Check the current data display of ECM and body integrated unit and make sure all data have same values Same values Inspect LAN sys tem If engine coolant tempera ture sensor is not OK inspect the sensor circuit R defogger SW It turns to ON when pressing switch Low speed CAN is Ok Turns to ON Inspect rear defog ger switch Rear defogger switch is connected with Low speed CAN R defogger output When switch input it is output Output Replace the body integrated unit If not operate with output check the rear defogger relay Door lock SW When locked with door lock switch it turns to ON Turns to ON Inspect

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