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BRC Brake Control System

1. Right turn Negative value Negative value Left turn Positive value Positive value Speed up Negative value Speed down Positive value OK or NG OK Perform ABS actuator and electric unit control unit self diagnosis again NG Replace malfunctioning G sensor and then perform self diagnosis for ABS actuator and electric unit control unit again DTC C1115 ABS SENSOR ABNORMAL SIGNAL Refer to BRC 34 DTC C1101 RR RH SENSOR 1 DTC C1116 STOP LAMP SW INSPECTION PROCEDURE 1 SELF DIAGNOSTIC RESULTS Check the self diagnostic results Self diagnostic results STOP LAMP SW Is the above displayed in the self diagnosis display item Revision 2007 April BRC 39 INFOID 0000000001569698 INFOID 000000000 1327686 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICEINFORMATION gt YES gt gt 0 2 NO gt gt INSPECTION END 2 CHECK CONNECTOR 1 Disconnect stop lamp switch connector and ABS actuator and electric unit control unit connector E56 and check terminals for deformation disconnection looseness and so on If any malfunction is found repair or replace terminal 2 Securely reconnect connectors 3 Perform self diagnosis again K or NG OK Connector terminal contact is loose damaged open or shorted NG gt gt GO 3 STOP LAMP SWITCH 1 Turn ignition switch OFF and disconnect stop lamp switch har
2. 42 TROUBLE DIAGNOSIS 13 C1133 ENGINE SIGNAL 4 42 Fail Safe Function 13 DTC C1136 ENGINE SIGNAL 6 42 How to Proceed with Diagnosis 13 DTC C1140 ACTUATOR 43 Component Part Location 16 DTC C1142 PRESS SEN CIRCUIT k 43 Schematic ue 17 DTC C1143 ST SEN CIRCUIT 44 Wiring Diagram VDC 18 DTC C1144 ST ANG SEN SIGNAL sss 45 Control Unit Input Output Signal Standard 23 DTC C1145 YAW RATE SENSOR 46 CONSULT III Functions ABS 26 DTC C1146 SIDE G SEN CIRCUIT 46 Self Diagnosis 26 DTC C1155 BR FLUID LEVEL LOW 46 Revision 2007 April BRC 1 2008 FX35 FX45 DTC C1156 ST ANG SEN COM CIR 47 Vehicle Jerks During VDC TCS ABS Control 50 DTC C1160 DECEL SEN SET 47 1164 amp T 47 WHEEL SENSORS 2 0 52 DTO K OOS Ol k Ton Bi BS eect 47 Removal and Installation 52 DT G C1166 47 SENSOR ROTOR f 53 DIG GOT167 SV
3. 47 Removal and Installation 53 DTC C1170 VARIANT CODING AB DTC 01000 CAN COMM CIRCUIT 48 ACTUATOR AND ELECTRIC UNIT ASSEM Component Inspection 0 4441 0 BS metr T 54 TROUBLE DIAGNOSIS FOR SYMPTOMS 49 Removal and Installation 54 Excessive ABS Function Operation Frequency GP SENSOR ocio ordi po nc 55 Unexpected Pedal Reaction 49 Removal and Installation 55 The Braking Distance Is Long 49 The ABS Function Does Not Operate 50 STEERING ANGLE SENSOR 56 Pedal Vibration or ABS Operation Sound Occurs 50 Removal and Installation 56 Revision 2007 April BRC 2 2008 FX35 FX45 DTC INDEX lt SERVICE INFORMATION gt VDC TCS ABS SERVICE INFORMATION DTC INDEX C1 1 01 C1 1 1 6 INFOID 0000000001559825 DTC Items CONSULT screen items Reference C1101 RR RH SENSOP 1 34 DTC C1101 RR RH SENSOR 1 C1102 RR LH SENSOR 1 BROC 35 DTC C1102 RR LH SENSOR 1 C1103 FR RH S
4. 37 DTC C1111 PUMP MOTOR G SENSOR Decel G sensor is malfunctioning or signal line of decel G sensor is 38 DTC C1113 G SEN C1113 Note 4 open or shorted SOR ABS SENSOR BRC 39 DTC C1115 ABS ABNORMAL SIGNAL Wheel sensor input is malfunction SENSOR ABNORMAL SIG C1115 Note 1 NAL STOP LAMP SW Stop lamp switch circuit is open or shorted 39 DTC C1116 STOP C1116 LAMP SW FR LH IN ABS SOL Circuit of front LH IN ABS solenoid is open or shorted or control line is BRC 40 DTC C1120 FR LH IN C1120 open or shorted to power supply or ground ABS SOL FR LH OUT ABS SOL C1121 Circuit of front LH OUT ABS solenoid is open or shorted or control line is open or shorted to power supply or ground BRC 41 DTC C1121 FR LH OUT ABS SOL FR RH IN ABS SOL C1122 Circuit of front RH IN ABS solenoid is open or shorted or control line is open or shorted to power supply or ground BRC 41 DTC C1122 FR RH IN ABS SOL FR RH OUT ABS SOL C1123 Circuit of front RH OUT ABS solenoid is open or shorted or control line is open or shorted to power supply or ground 42 DTC C1123 FR RH OUT ABS SOL RR LH IN ABS SOL C1124 Circuit of rear LH IN ABS solenoid is open or shorted or control line is open or shorted to power supply or ground BRC 42 DTC C1124 RR LH IN ABS SOL RR LH OUT ABS SOL C1125 Circuit of
5. O 10A BIS 8 R W L 2 dc NEXT PAGE IGNITION SWITCH ON OR START Br BLOCK REFER TO PG POWER R W STEERING UNIFIED ANGLE SENSOR CAN H CAN L lt _______ PRECEDING PAGE lt B A REFER TO THE FOLLOWING SUPER MULTIPLE W JUNCTION SMJ FUSE BLOCK JUNCTION BOX J B Ex 111213141516171819110 111112113114115116117118119120 0234 BRC 22 2008 FX35 FX45 Revision 2007 April TROUBLE DIAGNOSIS lt SERVICEINFORMATION gt 0 7 IVDC TCS ABS BRC VDC 06 IGNITION SWITCH ON OR START BLOCK REFER PG POWER R W G Y COMBINATION METER L L lt o lt REFER TO THE FOLLOWING FUSE BLOCK JUNCTION BOX J B 1121314151617 819110 1123 45 6 t7 8 9120 TFWM0235E Control Unit Input Output Signal Standard REFERENCE VALUE FROM CONSULT III CAUTION The display shows ABS actuator and electric unit control unit calculation data so a normal value might be displayed even in the event the output circuit harness is open or short circuited Revision 2007 April BRC 23 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt Monitor item Display content Data monitor VDC TCS ABS Condition Reference value in normal oper
6. 42 DTC C1132 ENGINE SIGNAL 3 C1133 ENGINE SIGNAL 4 42 C1133 ENGINE SIGNAL 4 C1136 ENGINE SIGNAL 6 42 DTC C1136 ENGINE SIGNAL 6 C1 1 40 1 1 70 INFOID 0000000001559827 DTC Items CONSULT screen items Reference C1140 ACTUATOR RLY 43 DTC C1140 ACTUATOR RLY C1142 PRESS SEN CIRCUIT 43 DTC C1142 PRESS SEN CIRCUIT C1143 ST ANG SEN CIRCUIT BRC 44 DTC C1143 ST ANG SEN CIRCUIT C1144 ST ANG SEN SIGNAL 45 DTC C1144 ST ANG SEN SIGNAL Revision 2007 April BRC 3 2008 FX35 FX45 DTC INDEX lt SERVICE INFORMATION gt VDC TCS ABS DTC CONSULT screen item C1145 YAW RATE SENSOR BRC 46 DTC C1145 YAW RATE SENSOR C1146 SIDE G SEN CIRCUIT 46 DTC C1146 SIDE G SEN CIRCUIT C1155 BR FLUID LEVEL LOW BRC 46 DTC C1155 BR FLUID LEVEL LOW C1156 ST ANG SEN COM CIR BRC 47 DTC C1156 ST ANG SEN COM CIR C1160 DECEL G SEN SET 47 DTC C1160 DECEL G SEN SET C1164 CV1 47 DTC C1164 CV 1 C1165 CV2 47 DTC C1165 CV 2 C1166 SV1 47 DTC C1166 SV 1 C1167 SV2 BRC 47 DTC C1167 SV 2 C1170 VARIANT CODING BRC 48 DTC C1170 VARIANT CODING U 1 000 INFOID 0000000001559828 DTC Items CONSULT screen items Reference U1000 CAN COMM CIRCUIT 48 DTC 91000 CAN COMM CIRCUIT Revision 2007 April BRC 4 2008 FX35 FX45 PRECAUTIONS lt SERVICE INFORMATION gt V
7. BRC 16 Combination meter SLIP indicator lamp D OFF Brake warning VDC OFF indicator lam SFIA2785E 2008 FX35 FX45 INFOID 000000000 1327668 VDC TCS ABS TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt Schematic TFWM0229E HH H1 HH H1 33H sjepow HOSN3S 1 084 HOLMS MZ dunssdud D H LIMS L 2 117 1 440 16 dIONJTOS 6 Oz 8r v 1 9 ve Sb 8 LOW Zon LOW LAD ZAO LAS ZAS LINN JOHLNOO LINN omo LINN 10H1NOO S8V SO L OGA HOLWN LOV sav GION31OS _ NVO OL Viva 4 4 T HOLO3NNOO 06 62 ANN Viva div 5 e WO 2 HOSN3S 9 E HOSN3S ais 8 eb ee ONIH331S Aly MWA HOSN3S 9 13930301S AVY MVA LINN 10H 1NOO uiejs s OHUS 01 La O 330 dis sav 03573130 NOLIVNIBINOO 4 HOLIMS
8. VDC TCS ABS INFOID 0000000001569707 INFOID 0000000001569708 INFOID 0000000001569709 INFOID 0000000001569710 INFOID 0000000001569711 INFOID 000000000 1327678 1 Perform an ECM self diagnosis and repair or replace malfunctioning items Perform ECM self diagnosis again 2 Perform ABS actuator and electric unit control unit self diagnosis again OK or NG OK gt gt INSPECTION END NG gt gt Repair or replace malfunctioning items Perform the self diagnosis again DTC C1131 ENGINE SIGNAL 2 Refer to BRC 42 DTC C1130 ENGINE SIGNAL 1 DTC C1132 ENGINE SIGNAL Refer to BRC 42 DTC C1130 ENGINE SIGNAL 1 DTC C1133 ENGINE SIGNAL 4 Refer to BRC 42 DTC C1130 ENGINE SIGNAL 1 DTC C1136 ENGINE SIGNAL 6 Refer to BRC 42 DTC C1130 ENGINE SIGNAL 1 Revision 2007 April BRC 42 INFOID 0000000001569712 INFOID 0000000001569713 INFOID 0000000001569714 INFOID 0000000001569715 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICE INFORMATION gt VDC TCS ABS DTC C1 1 40 ACT UATOR RLY INFOID 0000000001569716 Refer to BRC 37 DTC C1111 PUMP MOTOR DTG C1 1 42 PRESS SEN Cl RCU IT INFOID 0000000001327680 INSPECTION PROCEDURE 1 CHECK SELF DIAGNOSTIC RESULTS Check the self diagnostic results Self diagnostic results PRESS SEN CIRCUIT Is the above displayed in the self diagnosis display items YES gt gt 2 NO gt gt INSPECTION END 2 CHECK STOP LAMP SWITCH CON
9. n cti on INFOID 0000000001327665 VDC TCS SYSTEM In case of malfunction in the VDC TCS system VDC OFF indicator lamp and SLIP indicator lamp are turned on and the condition of vehicle is the same as the condition of vehicles without VDC TCS system In case of malfunction in the VDC TCS system the ABS control continues to operate normally without VDC TCS control CAUTION If the fail safe function is activated then perform the self diagnosis for VDC TCS ABS control system ABS EBD SYSTEM In case of electrical malfunctions with the ABS ABS warning lamp VDC OFF indicator lamp SLIP indicator lamp will turn on In case of electrical malfunctions with the EBD brake warning lamp ABS warning lamp VDC OFF indicator lamp and SLIP indicator lamp will turn on Simultaneously the VDC TCS ABS become one of the following conditions of the fail safe function For malfunction of ABS only the EBD is activated and the condition of vehicle is the same condition of vehi cles without TCS ABS system NOTE ABS self diagnosis sound may be heard That is a normal condition because a self diagnosis for Ignition switch ON and The first starting are being performed For malfunction of EBD EBD and ABS become inoperative and the condition of vehicle is the same as the condition of vehicles without TCS ABS EBD system How to Proceed with Diagnosis INFOID 0000000001327666 BASIC CONCEPT Most important point to perform diagnosis is to understand sy
10. Perform ABS actuator and electric unit control unit self diagnosis again NG gt gt Replace steering angle sensor and adjust neutral position of steering angle sensor Refer to BRC 8 Adjustment of Steering Angle Sensor Neutral Position DTC C1 1 44 ST ANG SEN SIGNAL INFOID 0000000001327688 INSPECTION PROCEDURE 1 CHECK SELF DIAGNOSTIC RESULTS 1 Check self diagnostic results Revision 2007 April BRC 45 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICEINFORMATION gt Self diagnostic results ST ANG SEN SIGNAL Does anything besides ST ANG SEN SIGNAL appear on self diagnostic results display YES gt gt Inspect and repair the indicated items Then perform self diagnosis again NO gt gt Perform adjustment of steering angle sensor neutral position Then GO TO 2 2 SELF DIAGNOSIS RESULTS 2 Turn ignition switch OFF and ON to erase self diagnostic results and perform ABS actuator and electric unit control unit self diagnosis again Does anything appear on self diagnostic results display YES gt gt Replace steering angle sensor Then perform adjustment of neutral position and perform self diagnosis again NO gt gt INSPECTION END DTC C1145 YAW RATE SENSOR InFo10 0000000001568717 Refer to BRC 38 DTC C1113 G SENSOR DTC C1146 SIDE G SEN CIRCUIT InFo10 2000000001568718 Refer to BRC 38 DTC C1113 G SENSOR DTC C1155 BR FLUID LEVEL LOW INFOIDr0000000001327687 INSPECTION PR
11. To replace sensor rotor replace wheel hub and bearing assembly Refer to FAX 4 Removal and Installation 2WD models FAX 11 Removal and Installation AWD models 0 Rear Follow procedure below to install rear sensor rotor Using a drifts press rear sensor rotor onto side flange Tool number A ST30720000 J 25405 5127863000 C KV40104710 Install side flange Refer to RFD 14 Removal and Installation B SFIA3387E Revision 2007 April BRC 53 2008 FX35 FX45 ACTUATOR AND ELECTRIC UNIT ASSEMBLY lt SERVICE INFORMATION gt VDC TCS ABS ACTUATOR AND ELECTRIC UNIT ASSEMBLY Removal and Installation INFOID 0000000001327700 To front caliper RH From master cylinder primary side To rear caliper LH To rear caliper RH To front caliper LH From master cylinder secondary side 7 0 0 71 62 ABS actuator and electric unit control unit Actuator bracket C Front Nem kg m in Ib 601 9 kg m ft lb REMOVAL 1 Disconnect ABS actuator and electric unit control unit connector 2 Loosen brake tube flare nuts then remove brake tubes from ABS actuator and electric unit control unit 3 Remove LH side fender protector Refer to El 24 4 Remove ABS actuator and electric unit control unit mounting nuts 5 Remove ABS actuator and electric unit control unit from vehicle CAUTION Be careful of the
12. ness connector 2 Operate stop lamp switch and check continuity between stop TS lamp switch harness connector terminals Stop lamp switch connector 2 2 112 Terminal Condition Continuity Release stop lamp switch iB When brake pedal is depressed Nes Push stop lamp switch No a When brake pedal is released SFIA3392bE OK or NG OK GO TO 4 NG Replace stop lamp switch Refer to BR 6 Component 4 CHECK STOP LAMP SWITCH CIRCUIT 1 Tur ignition switch OFF and disconnect stop lamp switch con DISCONNECT 2 nector E210 and ABS actuator and electric unit control unit AE connector E56 m top lamp switc h 2 Check continuity between stop lamp switch harness connector L and ABS actuator and electric unit control unit harness con ABS actuator and electric unit control unit nector harness connector ABS actuator and electric unit control unit Stop lamp switch Continuity 41 2 Yes OK or NG OK gt gt Connect connectors and perform an ABS actuator and electric unit control unit self diagnosis NG gt gt Open or short in harness between stop lamp switch and ABS actuator and electric unit control unit Repair or replace applied harness DTC C1 1 20 FR LH IN ABS SOL INFOID 000000000 1327683 SFIA1436E INSPECTION PROCEDURE 1 SELF DIAGNOSTIC RESULTS Check the self diagnostic results Self diagn
13. of Steering Angle Sensor Neutral Position Revision 2007 April BRC 56 2008 FX35 FX45
14. 0000000001327669 Master cylinder Primary side Secondary side Primary side VDC switch over Pressure sensor 1 GV1 Secondary side VDC switch over valve2 CV2 Secondary side VDC switch over valve2 SV2 Inlet solenoid bids Return check valve Ee Reservoir Reservoir valve Outlet solenoid Outlet solenoid Front RH Rear LH valve Rear RH Front LH valve caliper caliper caliper caliper CA N Co m m u n icati n INFOID 0000000001327664 SFIA1163E SYSTEM DESCRIPTION CAN Controller Area Network is a serial communication line for real time application It is an on vehicle multi plex communication line with high data communication speed and excellent error detection ability Many elec tronic control units are equipped onto a vehicle and each control unit shares information and kinks with other control units during operation not independent In CAN communication control units are connected with 2 communication lines CAN H line CAN L line allowing a high rate of information transmission with less wiring Each control unit transmits receives data but selectively reads required data only Refer to LAN 43 CAN Sys tem Specification Chart Revision 2007 April BRC 12 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICEINFORMATION gt TROUBLE DIAGNOSIS Fai 5
15. 2007 April BRC 19 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVIGEINFORMATION gt IVDOTCSABS BRC VDC 03 DATA LINE YAW RATE LWY 2WD MODELS AWD MODELS PRESSURE SENSOR POWER SIGNAL SUPPLY OUTPUT ABS ACTUATOR AND ELECTRIC DRIV1 SIG ND VDC TCS SENSEP UNIT FL FL REFER TO THE FOLLOWING SUPER MULTIPLE JUNCTION SMJ The c5 e c B B GY GY 2237 22 21 CINES 55 8384858687888 40 4 142434445 e 47 17118115120121 22123124125125127128125150181 18119 e 1718 9 10111112 87 TFWM0232E Revision 2007 April BRC 20 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt VDC TCS ABS BRC VDC 04 Cm DATA LINE REFER PG POWER 50A 30A SOLENOID VALVE ABS MOTOR MOT MOT ES FL FL FR RL RR AR AD Bn BATT IN OUT IN IN VOC TCS ELECTRIC SOL SOL 501 SOL SOL SOL ABS no UNIT UNIT CONTROL GNDV SV2 UNIT E56 SOLENOID VALVE gt TO LAN CAN Gi way NEXT PAGE 4 o gt REFER TO THE FOLLOWING SUPER MULTIPLE JUNCTION SMJ TFWM0233E Revision 2007 April BRC 21 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt VDC TCS ABS BRC VDC 05 LEN DATA LINE
16. 4018 send asna LHYLS 40 NO HOLIMS 2008 FX35 FX45 BRC 17 Revision 2007 April TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt Wiring Diagram VDC IGNITION SWITCH ON OR START IPDM E R INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM AT SHIFT w a ITUNES 52 Eeee gt 1 21314151617 oor 1211314 8 ee ee Revision 2007 April VDC TCS ABS INFOID 0000000001327669 BRC VDC 01 BATTERY wee BLOCK REFER TO PG POWER DATA LINK CONNECTOR PU ABS ACTUATOR AND ELECTRIC REFER TO THE FOLLOWING SUPER MULTIPLE JUNCTION SMJ FUSE BLOCK JUNCTION BOX J B TFWM0230E BRC 18 2008 FX35 FX45 TROUBLE DIAGNOSIS VDC TCS ABS lt SERVICE INFORMATION gt BRC VDC 02 ABS ACTUATOR VDC TCS ABS AND CONTROL UNIT ELECTRIC UNIT CONTROL UNIT VDC OFF 56 OFF VDC OFF PRESSED SWITCH i L M L 2 4 L L lt co m a a m REFER TO THE FOLLOWING 22 433134185186137 88 89 4014114214344145146 SUPER MULTIPLE JUNCTION SMJ 1 11213141516 Ee 72828 6181 gx eY 1 56 819 4 TFWMO231E Revision
17. 5 X Note 2 Approx 2 seconds later after ig _ x Note 2 Go out 2 seconds after igni nition switch ON tion switch is turned ON VDC OFF switch is turned ON _ 2 VDC TCS function is OFF There is an ABS actuator VDC TCS ABS error and electric unit control unit error Power ground or sys tem malfunction When VDC TCS is not function _ ing normally EBD error x x 2 BRC Note 1 Brake warning lamp will turn on in case of operating parking brake switch turned on or of actuating brake fluid level switch brake fluid is insufficient Note 2 After starting engine turn OFF 1 sure ABS warning lamp VDC OFF indicator lamp when VDC OFF switch is OFF and SLIP indica tor lamp turn on approximately 2 second and brake warning lamp turns on when ignition switch is turned ON If they do not check VDC OFF indicator lamp and then VDC OFF switch Refer to BRC 48 Compo nent Inspection Check CAN communications Refer to CAN Communication Inspection If there are no errors with VDC OFF switch and CAN communication system check combination meter Refer to DI 5 2 Make sure ABS warning lamp VDC OFF indicator lamp SLIP indicator lamp turn off approximately 2 sec ond after turn ignition switch ON and brake warning lamp turns off after engine starts If lamps do not turn off perform self diagnosis 3 With engine running make sure VDC OFF indicator lamp turns on and
18. Incident Date Manuf Date In Service Date Symptoms Noise and vibration O Warning Indicator Firm pedal operation from engine compartment activate Large stroke pedal U Noise and vibration operation from axle TCS does not work ABS does not work O Lack of sense of Rear wheels slip when Wheels lock when acceleration accelerating braking Engine conditions When starting After starting Road conditions 0 Low friction road 5 OGravel OOther O Bumps potholes Driving conditions Full acceleration High speed cornering Vehicle speed Greater than 10 km h 6 MPH Vehicle speed 10 km h 6 MPH or less O Vehicle is stopped Applying brake conditions Suddenly O Gradually Other conditions O Operation of electrical equipment Shift change Other descriptions SFIA3265E Revision 2007 April BRC 15 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt Component Part Location Front wheel sensor connector LH ABS actuator and electric unit Control unit 21 gt ES 1325 VDC TCS ABS INFOID 000000000 1327667 9 Instrument lower driver panel Rear suspension VDC OFF switch member Rear wheel sensor Rear wheel sensor connector Ji angle sensor ACCES ABS warning lamp Revision 2007 April
19. Inspection start Locate trouble area using diagnostic worksheet Confirm PRECAUTIONS and For Correct and Quick Diagnosis Perform Basic Inspection Do Does ABS warning lamp SLIP indicator lamp or VDC OFF indicator lamp light YES Check harness connector between VDC TCS ABS control unit and data link connector Refer to section Perform diagnostic procedure for symptom Does ABS appear on CONSULT III display NO Perform self diagnostic procedures Check or repair malfunctioning part Erase self diagnostic results then drive vehicle more than one minute at 30 km h 19 MPH or more Confirm symptom OK Perform self diagnostic procedures again Inspection end SFIA3407E ASKING COMPLAINTS Revision 2007 April BRC 14 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt VDC TCS ABS Complaints against malfunction vary depending on each person It is important to clarify customer complaints KEY POINTS Ask customer about what symptoms are present and under what conditions Use information to reproduce symptom while driving WHAT Vehicle mode t is also important to use diagnosis sheet so as not to miss infor Date Frequencies mation WHERE Road conditions Operating conditions Weather conditions Symptoms SBR339B EXAMPLE OF DIAGNOSIS SHEET Customer name MR MS Model amp Year Engine Mileage
20. actuator and electric unit control unit connection if fluid is just oozing out use a clean cloth to wipe off the oozing fluid and re check for leaks If fluid is still oozing out replace the damaged part When there is fluid leaking or oozing at ABS actuator and electric unit control unit if fluid is just oozing out use a clean cloth to wipe off oozing fluid and re check for leaks If fluid is still oozing out replace ABS actuator and electric unit control unit body CAUTION ABS actuator and electric unit control unit body can not be disassembled 3 Check brake pad degree of wear Refer to BR 18 On Vehicle Inspection in Front Disc Brake and BR 24 On Vehicle Inspection in Rear Disc Brake POWER SYSTEM TERMINAL LOOSENESS AND BATTERY INSPECTION Make sure battery positive cable negative cable and ground connection are not loose If looseness is detected tighten the cables In addition check the battery voltage to make sure it has not dropped and alter nator is normal ABS WARNING LAMP VDC OFF INDICATOR LAMP SLIP INDICATOR LAMP AND BRAKE WARN ING LAMP INSPECTION Revision 2007 April BRC 32 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt VDC TCS ABS x ON OFF Condition ABS warning VDC OFF in SLIP indicator Brake warning Remake lamp dicator lamp lamp lamp Note 1 Ignition switch OFF Approx 2 seconds after ignition switch is turned ON 4
21. electric unit control unit ABS actuator and electric unit control unit Ground Continuity harness connector 16 47 Yes OKarNG d OK gt gt Perform self diagnosis again If the same results appear replace ABS actuator and electric unit control unit Refer to BRC 54 DISCONNECT NG gt gt Repair or replace harness or connectors SFIA1197E DTC C1121 FR LH OUT ABS SOL INFOID 0000000001569705 Refer to BRC 40 DTC C1120 FR LH IN ABS SOL DTC C1122 FR RH IN ABS SOL 0 0000000001569706 Refer to BRC 40 DTC 1120 FR LH IN ABS SOL Revision 2007 April BRC 41 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICE INFORMATION gt DTC C1123 FR RH OUT ABS SOL Refer to BRC 40 DTC C1120 FR LH IN ABS SOL DTC C1124 RR LH IN ABS SOL Refer to BRC 40 DTC C1120 FR LH IN ABS SOL DTC C1125 RR LH OUT ABS SOL Refer to BRC 40 DTC C1120 FR LH IN ABS SOL DTC C1126 RR RH IN ABS SOL Refer to BRC 40 DTC C1120 FR LH IN ABS SOL DTC C1127 RR RH OUT ABS SOL Refer to BRC 40 DTC C1120 FR LH IN ABS SOL DTC C1130 ENGINE SIGNAL 1 INSPECTION PROCEDURE 1 CHECK SELF DIAGNOSTIC RESULTS Check the self diagnostic results Self diagnostic results ENGINE SIGNAL 1 ENGINE SIGNAL 2 ENGINE SIGNAL 3 ENGINE SIGNAL 4 ENGINE SIGNAL 6 Is the above displayed in the self diagnosis display items YES gt gt 2 NO gt gt INSPECTION END 2 ENGINE SYSTEM
22. engine torque down system is malfunctioning BRC 42 DTC C1133 ENGINE SIGNAL 4 ENGINE SIGNAL 6 C1136 Based on the signal from ECM ABS actuator and electric unit control unit judges that engine control system is malfunctioning BRC 42 DTC C1136 ENGINE SIGNAL 6 ACTUATOR RLY C1140 Note 3 e Actuator solenoid valve relay is ON even if control unit sends off sig nal Actuator solenoid valve relay is OFF even if control unit sends sig nal 43 C1140 ACTUA TOR BREY PRESS SEN CIRCUIT C1142 Pressure sensor signal line is open or shorted or sensor power voltage is unusual or pressure sensor is malfunctioning 43 DTC C1142 PRESS SEN CIRCUIT ST ANG SEN CIRCUIT C1143 Neutral position of steering angle sensor is dislocated or steering angle sensor is malfunctioning 44 DTC C1143 ST ANG SEN CIRCUIT ST ANG SEN SIGNAL C1144 Neutral position correction of steering angle sensor is not finished BRC 45 DTC C1144 ST ANG SEN SIGNAL YAW RATE SENSOR C1145 Yaw rate sensor has generated an error or yaw rate sensor signal line is open or shorted BRC 46 DTC C1145 YAW RATE SENSOR SIDE G SEN CIRCUIT C1146 Side G sensor is malfunctioning or signal line of side G sensor is open or shorted BRC 46 DTC C1146 SIDE G SEN CIRCUIT BR FLUID LEVEL LOW C1155 Brake fluid level drops o
23. from those of special service tools illustrated here Tool number Kent Moore No Description Tool name 5130720000 25405 Drift f 50 B a 77 mm 3 03 in dia b 55 5 mm 2 185 dia ZZA0701D ST27863000 5 42 Drift Installing rear sensor rotor a 74 5 mm 2 933 in dia b 62 5 mm 2 461 in dia ZZA0832D KV40104710 Drift a 76 3 mm 3 004 in dia b 67 9 mm 2 673 in dia ZZA0832D Commercial Service Tool INFOID 0000000001327657 Tool name Description 1 Flare nut crowfoot Sa a 10 mm 0 39 in 12 mm 0 47 in S Installing brake tube 2 Torque wrench TS n 220 5 360 Revision 2007 April BRC 7 2008 FX35 FX45 ON VEHICLE SERVICE lt SERVICE INFORMATION gt VDCITCS ABSI ON VEHICLE SERVICE Adjustment of Steering Angle Sensor Neutral Position InFo10 0000000001327668 In case of doing work that applies to the list below make sure to adjust neutral position of steering angle sen sor before running vehicle Situation Adjustment of Steering Angle Sensor Neutral Position Removing Installing ABS actuator and electric unit control unit Replacing ABS actuator and electric unit control unit x Removing Installing steering angle sensor x Removing Installing steering components x Removing Installing suspension components x Change 4 tires to new ones Tire rotation Adjusting wheel alignment x CAUTION T
24. rear LH OUT ABS solenoid is open or shorted or control line is open or shorted to power supply or ground 42 DTC C1125 RR LH OUT ABS SOL RR RH IN ABS SOL C1126 Circuit of rear RH IN ABS solenoid is open or shorted or control line is open or shorted to power supply or ground BRC 42 DTC C1126 RR RH IN ABS SOL RR RH OUT ABS SOL C1127 Circuit of rear RH OUT ABS solenoid is open or shorted or control line is open or shorted to power supply or ground BRC 42 DTC C1127 RR RH OUT ABS SOL ENGINE SIGNAL 1 C1130 Revision 2007 April Based on the signal from ECM ABS actuator and electric unit control unit judges that engine fuel cut system is malfunctioning BRC 27 42 DTC C1130 ENGINE SIGNAL 1 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt Self diagnostic item Malfunction detecting condition VDC TCS ABS Check system ENGINE SIGNAL 2 C1131 Based on the signal from ECM ABS actuator and electric unit control unit judges that engine ETC system is malfunctioning BRC 42 DTC C1131 ENGINE SIGNAL 2 ENGINE SIGNAL 3 C1132 Based on the signal from ECM ABS actuator and electric unit control unit judges that engine CAN system is malfunctioning BRC 42 DTC C1132 ENGINE SIGNAL 3 ENGINE SIGNAL 4 C1133 Based on the signal from ECM ABS actuator and electric unit control unit judges that
25. 0000001327662 VDC TCS SYSTEM In case of malfunction in the VDC TCS system VDC OFF indicator lamp and SLIP indicator lamp are turned on and the condition of vehicle is the same as the condition of vehicles without VDC TCS system In case of malfunction in the VDC TCS system the ABS control continues to operate normally without VDC TCS control CAUTION If the fail safe function is activated then perform the self diagnosis for VDC TCS ABS control system ABS EBD SYSTEM In case of electrical malfunctions with the ABS ABS warning lamp VDC OFF indicator lamp and SLIP indica tor lamp will turn on In case of electrical malfunctions with the EBD brake warning lamp ABS warning lamp VDC OFF indicator lamp and SLIP indicator lamp will turn on Simultaneously the VDC TCS ABS become one of the following conditions of the fail safe function For malfunction of ABS only the EBD is activated and the condition of vehicle is the same condition of vehi cles without TCS ABS system NOTE ABS self diagnosis sound may be heard That is a normal condition because a self diagnosis for Ignition switch ON and The first starting are being performed For malfunction of EBD EBD and ABS become inoperative and the condition of vehicle is the same as the condition of vehicles without TCS ABS EBD system Revision 2007 April BRC 11 2008 FX35 FX45 SYSTEM DESCRIPTION lt SERVICEINFORMATION gt VOCTCSAABSI Hydraulic Circuit Diagram InFo10
26. 6 47 Yes OK NG OK gt gt Perform self diagnosis again If the same result appears replace ABS actuator and electric unit control unit Refer to BRC 54 NG gt gt Repair harness or connectors SFIA1197E DTC C1 1 1 3 G SENSOR INFOID 0000000001327682 CAUTION Sudden turns such as spin turns acceleration turns drifting etc may cause the G sensor circuit indicate a malfunction However this is not a malfunction if normal operation can be resumed after restarting engine INSPECTION PROCEDURE CHECK SELF DIAGNOSTIC RESULTS Check the self diagnostic results Self diagnostic results YAW RATE SENSOR SIDE G SEN CIRCUIT G SENSOR AWD models CAUTION When on a turntable such as at a parking structure entrance or when on a moving object with engine running VDC OFF indicator lamp might turn on and self diagnosis using CONSULT III the yaw rate sensor system might be displayed but in this case there is no malfunction in yaw rate sensor circuit As soon as vehicle leaves turntable or moving object restart engine to return the system to normal Is the above displayed in the self diagnosis display items YES gt gt GOTO2 NO gt gt INSPECTION END 2 CHECK CONNECTOR Revision 2007 April BRC 38 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICE INFORMATION gt VDC TCS ABS 1 Disconnect G sensor connector and ABS actuator and electric unit control unit connector an
27. 7 April BRC 48 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYMPTOMS lt SERVICE INFORMATION gt VDC TCS ABS TROUBLE DIAGNOSIS FOR SYMPTOMS Excessive ABS Function Operation Frequency INFOID 0000000001327692 1 CHECK FRONT AND REAR AXLE Make sure there is no excessive looseness in the front and rear axles OK or NG OK gt gt GO TO 2 NG gt gt Check front or rear axle system 2 WHEEL SENSOR Perform following inspection for wheel sensor Sensor mount and damage inspection Sensor rotor mount and damage inspection Sensor connector connection inspection Sensor harness inspection OK or NG OK gt gt GO TO 3 NG gt gt Replace sensor or sensor rotor 3 CHECK ABS WARNING LAMP DISPLAY Make sure warning lamp turns off approximately 2 seconds after the ignition switch is turned ON or when driv ing OK or NG OK gt gt Normal NG gt gt Perform self diagnosis Refer to BRC 26 Self Diagnosis Unexpected Pedal Reaction inFo10 0000000001327609 1 BRAKE PEDAL STROKE Check brake pedal stroke Is the stroke too long YES gt gt Bleed air from brake piping Check brake pedal brake booster and master cylinder mount for play looseness and brake system for fluid leaks etc If any malfunctions are found make repair NO GO TO 2 2 FUNCTION Disconnect ABS actuator and electric unit control unit connector E56 and make sure that braking force is suf ficient when ABS in not op
28. BRAKES x BRAKE CONTROL SYSTEM CONTENTS VDC TCS ABS Data Monitor 28 Active i ii 30 SERVICE INFORMATION 3 For Fast and Accurate Diagnosis 31 Basic Inspection 44 0 1 32 DTC INDEX 3 nnn nna 3 CT101 G11156 e er cete 3 TROUBLE DIAGNOSIS FOR SYSTEM 34 C1120 C11398 uis e eren emi 3 DTC C1101 RR RH 1 34 CT140 GC 1 470 itte bt c en EE e cents 3 DTC C1102 RR LH 1 35 4 DTC C1103 FR RH SENSOP 1 35 DTC C1104 5 1 2 35 PRECAUTIONS 5 DTC C1105 RR RH 2 36 Precaution for Supplemental Restraint System DTC C1106 RR LH SENSOR 2 36 SRS AIR BAG and SEAT BELT PRE TEN DTC C1107 FR RH 2 36 SIONER MEER 5 DTC C1108 LH 2 36 Precaution for Brake System 5 DTC C1109 BATTERY VOLTAGE ABNORMAL 36 Precaution for Brake Control 5 DTC C1110 CONTROL
29. D is displayed touch BACK and perform test again TEST ITEM Solenoid Valve NOTE The example shown is for the front right wheel The procedure for the other wheels is the same as given below When performing an active test of the ABS function select the main item for each test item In addition when performing an active test of the VDC TCS function select the item menu for each test item For the ABS solenoid valve touch UP KEEP DOWN and for the ABS solenoid valve ACT touch UP ACTUATOR UP ACTUATOR KEEP and check to make sure that all solenoid valve out are operating as given in the table below ABS solenoid valve ABS solenoid valve ACT UP KEEP DOWN UP Sm ACUATOR BRC FR RH IN SOL OFF ON ON OFF OFF OFF FR RH OUT SOL OFF OFF ON OFF OFF OFF CV 1 OFF OFF OFF OFF ON ON SV 1 OFF OFF OFF OFF ON OFF ON for 1 to 2 seconds after the touch and then OFF ABS Motor Touch ON and OFF on the screen Make sure ABS motor relay operates as shown in table below Operation ON OFF MOTOR RELAY ON OFF ACTUATOR RLY ON ON For Fast and Accurate Diagnosis INFOID OO0000000 1327675 PRECAUTIONS FOR DIAGNOSIS Before performing diagnosis always read precautions Refer to BRC 13 How to Proceed with Diagnosis If ABS actuator and electric unit control unit steering angle sensor steering system parts or suspension system parts
30. D 2 CHECK SELF DIAGNOSTIC RESULTS 2 1 Disconnect ABS actuator and electric unit control unit connector Then reconnect it securely 2 Perform self diagnosis Do any self diagnosis item appear YES gt gt NO gt gt Poor connection Repair or replace connector 3 CHECK ABS ACTUATOR AND ELECTRIC UNIT CONTROL UNIT POWER SUPPLY CIRCUIT 1 1 Disconnect ABS actuator and electric unit control unit connector E56 2 Turn ignition switch OFF Check voltage between ABS actuator and electric unit control unit harness connector and ground 4 un ABS actuator and TS electric unit control unit DISCONNECT ABS actuator and electric unit control unit Ground Voltage harness connector 32 Battery voltage 432 Approx 12 V 8 3 Turn ignition switch ON but do not start engine Check voltage between ABS actuator and electric unit control unit harness connector and ground 52 SFIA1200E ABS actuator and electric unit control unit Ground Voltage Battery voltage 5 12 NG gt gt GO 4 NG gt gt GO TO 5 4 ABS ACTUATOR AND ELECTRIC UNIT CONTROL UNIT GROUND CIRCUIT Revision 2007 April BRC 36 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICE INFORMATION gt VDC TCS ABS Check ABS actuator and electric unit control unit ground circuit 1 1 ABS actuator and p ABS actuator and electric unit
31. DC OFF indicator lamp and SLIP indicator lamp turn off there is no malfunction TCS The wheel spin of the drive wheels is detected by ABS actuator and electric unit control unit from the wheel speed signals from four wheels so if wheel spin occurs drive wheel right and left brake fluid pressure con trol and engine fuel cut are performed while throttle value is restricted to reduce the engine torque and decrease the amount of wheel spin In addition the degree throttle is opened is controlled to achieve the optimum engine torque Depending on road circumstances the driver may have a sluggish feel This is normal because the opti mum traction has the highest priority under TCS operation TCS may be activated any time vehicle suddenly accelerates suddenly down upshifts or is driven on a road with a varying surface friction coefficient During TCS operation it informs a driver of system operation by flashing SLIP indicator lamp ABS The Anti Lock Braking System is a function that detects wheel revolution while braking and it improves han dling stability during sudden braking by electrically preventing 4 wheel lock Maneuverability is also improved for avoiding obstacles f the electrical system malfunctions then the fail safe function starts the ABS becomes inoperative and ABS warning lamp turns on Electrical system diagnosis by CONSULT III is available During ABS operation brake pedal lightly vibrates and a mechan
32. DC TCS ABS PRECAUTIONS Precaution for Supplemental Restraint System SRS AIR BAG and SEAT BELT E T E N S N E R INFOID 0000000001612923 The Supplemental Restraint System such as AIR BAG and SEAT BELT PRE TENSIONER used along with a front seat belt helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision This system includes seat belt switch inputs and dual stage front air bag modules The SRS system uses the seat belt switches to determine the front air bag deployment and may only deploy one front air bag depending on the severity of a collision and whether the front occupants are belted or unbelted Information necessary to service the system safely is included in the SUPPLEMENTAL RESTRAINT SYS and SEAT BELTS of this Service Manual WARNING To avoid rendering the SRS inoperative which could increase the risk of personal injury or death in the event of a collision which would result in air bag inflation all maintenance must be performed by an authorized NISSAN INFINITI dealer Improper maintenance including incorrect removal and installation of the SRS can lead to personal injury caused by unintentional activation of the system For removal of Spiral Cable and Air Bag Module see the SUPPLEMENTAL RESTRAINT SYSTEM Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual SRS w
33. ENSOR 1 35 DTC C1103 FR RH SENSOR 1 C1104 FR LH SENSOR 1 35 C1104 FR LH SENSOR 1 C1105 RR RH SENSOR 2 36 DTC C1105 RR RH SENSOR 2 C1106 RR LH SENSOR 2 36 DTC C1106 RR LH SENSOR 2 C1107 FR RH SENSOR 2 36 DTC C1107 FR RH SENSOR 2 C1108 FR LH SENSOR 2 36 DTC C1108 FR LH SENSOR 2 C1109 BATTERY VOLTAGE ABNORMAL BRC 36 DTC C1109 BATTERY VOLTAGE ABNORMAL C1110 CONTROLLER FAILURE 37 DTC C1110 CONTROLLER FAILURE C1111 PUMP MOTOR 37 DTC C1111 PUMP MOTOR C1113 G SENSOR 38 DTC C1113 G SENSOR C1115 ABS SENSOR ABNORMAL SIGNAL 39 C1115 ABS SENSOR ABNORMAL SIGNAL C1116 STOP LAMP SW 39 DTC C1116 STOP LAMP SW C1 1 20 C1 1 36 INFOID 0000000001559826 DTC Items CONSULT screen items Reference C1120 FR LH IN ABS SOL 40 DTC C1120 FR LH IN ABS SOL C1121 FR LH OUT ABS SOL 41 DTC C1121 FR LH OUT ABS SOL C1122 FR RH IN ABS SOL 41 DTC C1122 FR RH IN ABS SOL C1123 FR RH OUT ABS SOL 42 DTC C1123 FR RH OUT ABS SOL C1124 RR LH IN ABS SOL 42 DTC C1124 RR LH IN ABS SOL C1125 RR LH OUT ABS SOL 42 DTC C1125 RR LH OUT ABS SOL C1126 RR RH IN ABS SOL 42 DTC C1126 RR RH IN ABS SOL C1127 RR RH OUT ABS SOL 42 DTC C1127 RR RH OUT ABS SOL C1130 ENGINE SIGNAL 1 42 DTC C1130 ENGINE SIGNAL 1 C1131 ENGINE SIGNAL 2 42 DTC C1131 ENGINE SIGNAL 2 C1132 ENGINE SIGNAL 3
34. ETS normal OFF Revision 2007 April BRC 25 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVIGE FORMATIONS _ IVDOTCSABS Data monitor Monitor item Display content Reference value in Condition normal operation 2WD model 2WD 2WD AWD Drive axle AWD model AWD Note 1 Confirm tire pressure is normal Note 2 ON OFF timing of ABS warning lamp ON Approx Within 2 seconds after ignition switch is turned ON or when a malfunction is detected OFF Approx 2 seconds after ignition switch is turned ON when system is in normal operation and VDC TCS function is not activated Note 3 ON OFF timing of VDC OFF indicator lamp ON Approx Within 2 seconds after ignition switch is turned ON or when a malfunction is detected and VDC OFF switch is ON OFF Approx 2 seconds after ignition switch is turned ON when system is in normal operation And when VDC OFF switch is OFF Note 4 ON OFF timing of SLIP indicator lamp ON Approx Within 2 seconds after ignition switch is turned ON or when a malfunction is detected and VDC TCS function is activated while driving OFF Approx 2 seconds after ignition switch is turned ON when system is in normal operation and VDC TCS function is not activated Flashing VDC TCS function is active during driving Note 5 Only AWD models Note 6 Serves as EBD warning lamp CON S U LT u nctions ABS INFOID 0000000001327671 CONSULT III MAIN FUNCTION CONSULT III can displa
35. FIA1188E 18 3 OK or NG OK gt gt GO 7 NG gt gt If the open or short in harness repair or replace harness T CHECK PRESSURE SENSOR 1 Connect pressure sensor connector and ABS actuator and electric unit control unit connector 2 Perform DATA MONITOR of the PRESS SENSOR to check if the status is normal Condition Data monitor display When brake pedal is depressed 0 to 170 bar When brake pedal is released Approx 0 bar OK or NG OK INSPECTION END NG Pressure sensor is damaged or malfunctioning replace pressure sensor DTC C1 1 43 ST ANG SEN CIRCU IT INFOID 0000000001327681 INSPECTION PROCEDURE 1 SELF DIAGNOSTIC RESULTS Check the self diagnostic results Self diagnostic results ST ANG SEN CIRCUIT ST ANG SEN COM CIR Is the above displayed in the self diagnosis item YES gt gt 2 NO gt gt INSPECTION END 2 CHECK CONNECTOR 1 Disconnect steering angle sensor connector and ABS actuator and electric unit control unit connector and check terminals for deformation disconnection looseness and so on If any malfunction is found repair or replace terminal Revision 2007 April BRC 44 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICE INFORMATION gt VDC TCS ABS 2 Reconnect connectors and perform an ABS actuator and electric unit control unit self diagnosis again OK or NG OK gt gt Connector terminal contact is loose damaged open or s
36. GO TO 8 8 cHECK CIRCUIT BETWEEN ABS ACTUATOR AND ELECTRIC UNIT CONTROL UNIT AND ECM Check CAN communication circuit Refer to BRC 48 DTC U1000 CAN COMM CIRCUIT OK or NG OK gt gt INSPECTION END NG gt gt Connect connectors and perform ABS actuator and electric unit control unit self diagnosis again Revision 2007 April BRC 51 2008 FX35 FX45 WHEEL SENSORS lt SERVICE INFORMATION gt EV WHEEL SENSORS Removal and Installation INFOID 0000000001327698 SEC 476 Front Front wheel sensor connector LH 6 4 0 65 57 Front wheel sensor LH Rear wheel sensor When you see the harness of the wheel sensor from the front side of the vehicle ensure that the white lines are not twisted Rear t Grommet O Nem kg m ft lb el Nem kg m in Ib Rear wheel sensor connector 6 13 2 1 3 10 0600 REMOVAL 1 Disconnect wheel sensor connector 2 Remove wheel sensor mounting bolts grommets front sensor and clip 3 Remove wheel sensor CAUTION Be careful of the following when installing sensor As much as possible avoid rotating sensor when removing it Pull sensors out without pulling on sensor harness Take care to avoid damaging sensor edges or rotor teeth Remove wheel sensor first before remov ing front wheel hub and bearing assembly and rear final drive This is to avoid damage to sensor wir ing and loss of sensor function INSTALLATION N
37. LER FAILURE 37 DTC C1111 PUMP MOTOR 37 ec M 5 DEC CMIS SENSOR 38 222 22 22 0000 8 DTC C1115 ABS SENSOR ABNORMAL SIG Commercial Service 7 NAL 49 ON VEHICLE SERVICE 8 C1116 STOP LAMP SW 39 Adjustment of Steering Angle Sensor Neutral Po DTC C1120 FR LH IN ABS SOL 40 SIMON ood 8 C1121 FR LH OUT ABS SOL 41 Calibration of G Sensor AWD Models 8 DTC C1122 FR RH IN ABS SOL 41 DTC C1123 FR RH OUT ABS SOL 42 SYSTEM DESCRIPTION 10 DTC C1124 RR LH IN ABS SOL 42 EA 10 C1125 RR LH OUT ABS SOL 42 F nctloris 3 ner reis tee e mec etes timo 10 DTC C1126 RR RH IN ABS SOL 42 Fail Safe Function 11 DTC C1127 RR RH OUT ABS SOL 42 Hydraulic Circuit Diagram 12 DTC C1130 ENGINE SIGNAL 1 42 CAN Communication 12 DTC C1131 ENGINE SIGNAL 2 42 DTC C1132 ENGINE SIGNAL
38. LF DIAGNOSTIC RESULTS Perform ECM self diagnosis Are self diagnosis items displayed YES Check the corresponding items Refer to EC 89 VQ35DE EC 666 VK45DE in Engine Control EC section NO GO TO 4 Revision 2007 April BRC 50 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYMPTOMS lt SERVICEINFORMATION gt 7 4 CHECK A T SELF DIAGNOSTIC RESULTS Perform A T self diagnosis OK or NG OK gt gt GO 5 NG Check the corresponding items Refer to AT 41 in A T 5 CHECK SELF DIAGNOSTIC RESULTS 1 Perform self diagnosis of ABS actuator and electric unit control unit Are self diagnosis items displayed YES gt gt Check the corresponding items make repairs and perform ABS actuator and electric unit control unit self diagnosis again NO gt gt GO 6 6 cHECK CONNECTOR 1 Disconnect ABS actuator and electric unit control unit connector E56 and ECM connector check termi nals for deformation disconnection looseness and so on If any malfunction is found repair or replace connector BRC 2 Securely reconnect connector and perform self diagnosis OK or NG OK gt gt If poor connect damaged open or short circuit is found repair or replace connector terminal NG gt gt GO TO 7 CHECK SELF DIAGNOSTIC RESULTS 2 Re perform ABS actuator and electric unit control unit self diagnosis Are self diagnosis items displayed YES Repair or replace malfunctioning items NO
39. NECTOR BRC 1 Disconnect stop lamp switch connector and ABS actuator and electric unit control unit connector check terminals for deformation disconnection looseness and so on If any malfunction is found repair or replace terminal 2 Reconnect connectors and perform ABS actuator and electric unit control unit self diagnosis again OK or NG OK Connector terminal contact is loose damaged open or shorted NG GO TO3 STOP LAMP SWITCH 1 Turn ignition switch OFF and disconnect stop lamp switch har ness connector 2 Operate stop lamp switch and check continuity between stop TS lamp switch harness connector terminals Stop lamp switch connector oe 112 Terminal Condition Continuity Release stop lamp switch Yes 12 When brake pedal is depressed Push stop lamp switch No a When brake pedal is released SFIA3392bE OK or NG OK GO TO 4 NG Replace stop lamp switch Refer to BR 6 Component 4 CHECK STOP LAMP SWITCH CIRCUIT 1 Turn ignition switch OFF and disconnect stop lamp switch con T nector E210 and ABS actuator and electric unit control unit 5 GA connector E56 Stop lamp switch harness connector 2 Check continuity between stop lamp switch harness connector eae ree and ABS actuator and electric unit control unit harness con electric unit control unit nector harness connector L ABS
40. NFOID 0000000001327684 INSPECTION PROCEDURE 1 CHECK SELF DIAGNOSTIC RESULTS 1 Check the self diagnostic results Self diagnostic results PUMP MOTOR ACTUATOR RLY Is the above displayed in the self diagnostic display items YES gt gt GOTO2 NO gt gt Inspection is completed 2 CHECK SELF DIAGNOSTIC RESULTS 2 Revision 2007 April BRC 37 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICE INFORMATION gt VDC TCS ABS 1 Disconnect ABS actuator and electric unit control unit connector Then reconnect it securely 2 Perform self diagnosis again Do any self diagnosis item appear YES gt gt NO gt gt Poor connection Repair or replace the applicable connector 3 CHECK ABS MOTOR AND MOTOR RELAY POWER SUPPLY CIRCUIT 1 Turn ignition switch OFF and disconnect ABS actuator and electric unit control unit connector E56 2 Check voltage between ABS actuator and electric unit control unit harness connector and ground ABS actuator and TS electric unit control unit ABS actuator and electric unit control unit Ground Voltage harness connector DISCONNECT Battery voltage Approx 12 V SFIA1198E 3 Check continuity between ABS actuator and electric unit control unit harness connector and ground ABS actuator and T S electric unit control unit ABS actuator and electric unit control unit Ground Continuity harness connector 1
41. OCEDURE 1 SELF DIAGNOSTIC RESULTS 1 Check fluid level in brake fluid reservoir tank If the level is low add brake fluid 2 Clear the stored self diagnostic results and check self diagnostic results Self diagnostic results BR FLUID LEVEL LOW Is the above displayed in the self diagnosis display item YES gt gt 2 NO gt gt INSPECTION END 2 CONNECTOR 1 Disconnect brake fluid level switch connector and ABS actuator and electric unit control unit connector and check terminal for deformation disconnection looseness and so on If any malfunction is found repair or replace terminal 2 Securely reconnect connectors and perform self diagnosis again OK or NG OK gt gt Connector terminal contact is loose damaged open or shorted NG gt gt 3 HARNESS BETWEEN BRAKE FLUID LEVEL SWITCH AND ABS ACTUATOR AND ELECTRIC UNIT CONTROL UNIT Revision 2007 April BRC 46 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICE INFORMATION gt VDC TCS ABS 1 Turn ignition switch OFF and disconnect brake fluid level switch connector E52 and ABS actuator and electric unit control unit AEG connector E56 TS Brake fluid level switch harness connector 2 Check continuity between brake fluid level switch harness con 1 1 1 actuator nector and ABS actuator and electric unit control unit harness nit connector harness connector ABS actuat
42. OTE When the wheel sensor malfunctions after inspecting the wheel sensor system the ABS warning lamp VDC OFF indicator lamp SLIP indicator lamp and brake waning lamp will not turn OFF even when the sys tem is normal unless the vehicle is driving at approximately 30 km h 19 MPH or more for approximately 1 minute Brake warning lamp will turn ON in case of parking brake operation when switch is ON or of brake fluid level switch should not stay ON position VDC OFF switch should not stay ON position Revision 2007 April BRC 26 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt DISPLAY ITEM LIST Self diagnostic item Malfunction detecting condition VDC TCS ABS Check system RR RH SENSOR 1 C1101 Note 1 Circuit of rear RH wheel sensor is open shorted or sensor power volt age is unusual 34 DTC C1101 RR SENSOR 1 RR LH SENSOR 1 C1102 Note 1 Circuit of rear LH wheel sensor is open shorted or sensor power volt age is unusual BRG 35 DTC C1102 RR LH SENSOR 1 FR RH SENSOR 1 C1103 Note 1 Circuit of front RH wheel sensor is open shorted or sensor power volt age is unusual BRG 35 DTC C1103 FR RH SENSOR 1 FR LH SENSOR 1 C1104 Note 1 Circuit of front LH wheel sensor is open shorted or sensor power volt age is unusual BRG 35 DTC C1104 FR LH SENSOR 1 RR RH SENSOR 2 C1105 Note 1 ABS actu
43. TC C1166 SV 1 INFo1D 0000000001589726 Refer to BRC 40 DTC C1120 FR LH IN ABS SOL DTC C1167 SV 2 INFO1D 0000000001569727 Refer to BRC 40 DTC C1120 FR LH IN ABS SOL Revision 2007 April BRC 47 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICE INFORMATION gt VDC TCS ABS DTC C1 1 70 VARIANT CODING INFOID 0000000001569755 Refer to 37 DTC C1110 CONTROLLER FAILURE DTC U1 000 CAN COMM CIRCUIT INFOID 0000000001327690 INSPECTION PROCEDURE 1 CONNECTOR 1 Turn ignition switch OFF disconnect the ABS actuator and electric unit control unit connector and check the terminal for deformation disconnection looseness and so on If there is a malfunction repair or replace the terminal 2 Reconnect connector to perform self diagnosis Is CAN COMM CIRCUIT or ST ANG SEN COM CIR displayed in the self diagnosis display items YES gt gt Print out the self diagnostic results and refer to LAN 43 CAN System Specification Chart NO Connector terminal connection is loose damaged open or shorted Component Inspection INFOID 0000000001327691 VDC OFF SWITCH Turn ignition switch OFF and disconnect VDC OFF switch connec tor and check continuity between VDC OFF switch connector M32 A 8 TS terminals 1 and 2 VDC OFF switch connector 1 2 Continuity should exist when pushing switch Continuity should not exist when releasing switch SFIA1203E Revision 200
44. actuator and electric unit control unit Stop lamp switch Continuity 41 2 Yes OK or NG OK gt gt GO TOB5 NG gt gt Open or short in harness between stop lamp switch and ABS actuator and electric unit control unit Repair or replace applied harness SFIA1436E Revision 2007 April BRC 43 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICEINFORMATION gt IVDOTCSABS PRESSURE SENSOR CONNECTOR 1 Disconnect pressure sensor connector and ABS actuator and electric unit control unit connector check terminals for deformation disconnection looseness and so on If any malfunction is found repair or replace terminal 2 Reconnect connectors and perform ABS actuator and electric unit control unit self diagnosis again K or NG OK Connector terminal contact is loose damaged open or shorted NG gt gt GO TO 6 6 cHECK PRESSURE SENSOR HARNESS 1 Turn ignition switch OFF and disconnect pressure sensor con harness connector nector E53 and ABS actuator and electric unit control unit con um 1 S nector E56 T S GF Pressure sensor 2 Check continuity between ABS actuator and electric unit control unit harness connector and pressure sensor harness connec ABS actuator and electric unit control unit tor harness connector E 18 19 20 ABS actuator and electric unit control unit Pressure sensor Continuity 19 1 20 2 Yes S
45. aight ahead position CAUTION The work should be done at a horizontal place when vehicle is in the unloaded vehicle condition Keep all tires inflated to correct pressures Adjust the tire pressure to the specified pressure value 2 Touch WORK SUPPORT and DECEL G SEN CALIBRATION on CONSULT III screen in this order 3 Touch START CAUTION Set vehicle as shown in the display 4 After approximately 10 seconds touch END After approximately 60 seconds it ends automatically Revision 2007 April BRC 8 2008 FX35 FX45 ON VEHICLE SERVICE lt SERVICE INFORMATION gt VDC TCS ABS 5 Turn ignition switch OFF then turn it ON again CAUTION Be sure to perform above operation 6 Run vehicle with front wheels in straight ahead position then stop 7 Select DATA MONITOR SELECTION FROM MENU and DECEL G SEN on CONSULT III screen Then make sure DECEL G SEN is within 0 0 08 If value is more than specification repeat steps 1 to 6 8 Erase memory of ABS actuator and electric unit control unit and ECM 9 Turn ignition switch OFF Revision 2007 April BRC 9 2008 FX35 FX45 SYSTEM DESCRIPTION lt SERVICEINFORMATION gt 777 IVDOTCSABS SYSTEM DESCRIPTION Sche matic INFOID 000000000 1327660 B Combination meter TCM AWD control unit B ABS warning lamp Electric signal line Fuel cut off AWD model sensor VDC OFF indicator lamp Brake hydraulic line SLIP indicator lamp co
46. and actuator re ON FR RH IN SOL lay is active ignition switch ON PR RH OUT SOL Solenoid valve operation RR RH IN SOL When actuator solenoid is not active or RR RH OUT SOL actuator relay is inactive in fail safe OFF RR LH IN SOL mode RR LH OUT SOL When actuator switch over valve is ac tive ACTIVE TEST with CONSULT III ON and actuator relay is active ignition switch SA VDC TCS switch over valve status ON SV2 When actuator switch over valve is not active or actuator relay is inactive in fail OFF safe mode itudi i Vehicle stopped Approx 0 G DECEL G SEN Longitudinal acceleration detected by decel pp pp G sensor Note 5 Vehicle running 1 7 to 41 7 G When brake fluid level switch ON ON FLUID LEV SW ON OFF status of brake fluid level switch When brake fluid level switch OFF OFF VDC fail TCS fail VDC FAIL SIG ABS fail Tee FAIE SIG Fail signal status ABS FAIL SIG 9 VDC normal EBD FAIL SIG TCS normal ABS normal SEE EBD normal i iti Brake warning lamp ON ON EBD WARN LAMP Brake warning lamp on condition g amp Note 6 Brake warning lamp OFF OFF EBD active ON EBD SIGNAL EBD operation EBD not active OFF ABS active ON ABS SIGNAL ABS operation ABS not active OFF TCS active ON TCS SIGNAL TCS operation TCS not active OFF VDC active ON VDC SIGNAL VDC operation VDC not active OFF Cranking ON CRANKING SIG CRANKING status Not cranking OFF ETS fail ON 4WD FAIL REQ ETS fail status Note 5
47. ation SLCT LVR POSI A T shift position P P position R R position N N position D D position GEAR A T gear position 1 1st gear 2 2nd gear 3 3rd gear 4 4th gear 5 5th gear FR RH SENSOR FR LH SENSOR RR RH SENSOR RR LH SENSOR Wheel speed Vehicle stopped 0 km h MPH Vehicle running Note 1 Almostin accordance with speedometer display within 10 96 Accelerator pedal not depressed 0 iti Engine stopped ACCEL POS SIG Open close condition of throttle valve linked with accelerator pedal Depress accelerator pedal mom Engine stopped With engine stopped 0 rpm ENGINE SPEED With engine running Engine running Almost in accordance with tachometer dis play STR ANGLE SIG Steering angle detected by steering angle sensor Straight ahead Approx 0 deg Steering wheel turned 756 to 756 deg YAW RATE SEN Yaw rate detected by yaw rate sensor Vehicle stopped Approx 0 d s Vehicle running 100 to 100 d s SIDE G SENSOR Transverse G detected by side G sensor Vehicle stopped Approx 0 m s Vehicle running 16 7 to 16 7 m s Brake fluid pressure detected by pressure With ignition switch turned ON and brake pedal released Approx 0 bar PRESS SENSOR Sensor With ignition switch turned ON and brake 0 to 170 bar pedal depressed BATTERY VOLT Battery voltage su
48. ator and electric unit control unit can not identify sensor puls es because of large gap between wheel sensor and sensor rotor 36 DTC C1105 RR RH SENSOR 2 RR LH SENSOR 2 C1106 Note 1 ABS actuator and electric unit control unit can not identify sensor puls es because of large gap between wheel sensor and sensor rotor 36 DTC C1106 RR LH SENSOR 2 FR RH SENSOR 2 C1107 Note 1 ABS actuator and electric unit control unit can not identify sensor puls es because of large gap between wheel sensor and sensor rotor 36 DTC C1107 FR RH SENSOR 2 FR LH SENSOR 2 C1108 Note 1 ABS actuator and electric unit control unit can not identify sensor puls es because of large gap between wheel sensor and sensor rotor BRG 36 DTC C1108 FR LH SENSOR 2 BATTERY VOLTAGE ABNORMAL C1109 ABS actuator and electric unit control unit power voltage is too low 36 DTC C1109 BAT TERY VOLTAGE ABNOR MAL CONTROLLER FAILURE C1110 Internal malfunction of ABS actuator and electric unit control unit 37 C1110 CON TROLLER FAILURE PUMP MOTOR C1111 Note 3 During actuator motor operation with ON when actuator motor turns OFF or when control line for actuator motor relay is open During actuator motor operation with OFF when actuator motor turns ON or when control line for relay is shorted to ground
49. control unit Ground Continuity electric unit control unit harness connector RU 16 Yes 16 or NG ES OK Perform ABS actuator and electric unit control unit self diagnosis again NG Repair or replace harness or connectors SFIA1434E 5 CHECK ABS ACTUATOR AND ELECTRIC UNIT CONTROL UNIT POWER SUPPLY CIRCUIT 2 1 Check fuse 10 A terminal 4 and 30 A terminal 32 2 Turn ignition switch OFF and check continuity between battery DISCONNECT positive terminal and ABS actuator and electric unit control unit E GA 1 harness connector E56 S Battery positive terminal ABS actuator and i i electric unit control unit ABS act ator and electric unit Battery positive terminal Continuity harness connector control unit ga 2125 4 32 Yes OK or NG OK Check for non standard conditions in battery terminal looseness low voltage etc and alternator SFIA1435E NG gt gt Replace fuse 10 A or 30 A Open or short in harness DTC C1 1 1 0 CONTROLLER FAILU RE INFOID 0000000001327679 INSPECTION PROCEDURE 1 SELF DIAGNOSTIC RESULTS Check the self diagnostic results Self diagnostic results CONTROLLER FAILURE VARIANT CODING Is the above displayed in the self diagnosis display items YES gt gt Replace ABS actuator and electric unit control unit Perform the self diagnosis again NO gt gt INSPECTION END DTC 1 1 1 1 U M I
50. d ON OFF status is displayed ON ORE SOL Front RH IN ABS solenoid ON OFF status is displayed clon v x Front RH OUT ABS solenoid ON OFF status is displayed Revision 2007 April BRC 29 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVIGE FORMATIONS IVDOTCSABS Data monitor item selection Item Unit ECU INPUT MAIN Remarks SIGNALS SIGNALS RR LH IN SOL ON OFF v x Rear LH IN ABS solenoid ON OFF status is displayed RR LH OUT SOL ON OFF v x Rear LH OUT ABS solenoid ON OFF status is displayed OFF LAMP ON OFF v x OFF Lamp ON OFF status is displayed MOTOR RELAY ON OFF v x ABS motor relay signal ON OFF status is displayed ACTUATOR RLY m ON OFF v x ABS actuator relay signal ON OFF status is displayed CV1 Primary side switch over solenoid valve 1 cut valve 1 ON OFF status ON OFF is displayed CV2 Secondary side switch over solenoid valve 2 cut valve 2 ON OFF ON OFF status is displayed SV1 Primary side switch over solenoid valve 1 suction valve 1 ON OFF ON OFF status is displayed SV2 Secondary side switch over solenoid valve 2 suction valve 2 ON OFF OFF status is displayed VDC FAIL SIG m ON OFF v v VDC fail signal ON OFF status is displayed TCS FAIL SIG e ON OFF v v TCS fail signal ON OFF status i
51. d check ter minals for deformation disconnection looseness and so on If any malfunction is found repair or replace terminal 2 Reconnect connectors and perform a ABS actuator and electric unit control unit self diagnosis again OK or NG OK gt gt Connector terminal contact is loose damaged open or shorted NG gt gt GO TO 3 3 CHECK G SENSOR HARNESS 1 Turn ignition switch OFF and disconnect sensor connector M79 2WD models or M71 AWD models and ABS actuator and electric unit control unit connector E56 2 Check continuity between ABS actuator and electric unit control unit harness connector and G sensor harness connector TS G sensor Ea ABS actuator and electric unit control unit 141516 harness connector 1 2 3 5 ABS actuator and electric unit control unit G sensor Continuity 6 24 25 29 6 3 24 5 Yes 25 1 SFIA1192E 29 2 OK or NG OK gt gt GO TO 4 NG gt gt If the open or short in harness repair or replace harness 4 cHECK G SENSOR 1 Connect G sensor connector and ABS actuator and electric unit control unit connector 2 Use CONSULT III DATA MONITOR to check if sensor are normal Yaw rate sensor Side G sensor Decel G sensor AWD models Vehicle status Data monitor standard Data monitor standard Data monitor standard When stopped 4 to 4 deg s 1 1 to 1 1 m s 0 11 to 0 11G
52. eiving CAN communication signal for 2 seconds or more 48 U1000 CAN COMM CIRCUIT Note 1 After completing repairs of shorted sensor circuit when turning ignition switch ON ABS warning lamp turned on Make that ABS warning lamp turned off while driving vehicle at approximately 30 km h 19 MPH or more for approximately 1 minute according to self diagnosis procedure In addition if wheel sensor 2 is displayed for wheels check wheel sensor circuit and also check ABS actuator and electric unit control unit power voltage Note 2 If multiple malfunctions are detected including CAN communication line U1000 perform diagnosis for CAN communication line first Note 3 ACTUATOR RLY on the CONSULT III self diagnostic results indicates the malfunction of actuator relay or circuit Actuator relay is imbedded in ABS actuator and electric unit control unit Note 4 Only AWD models Data Monitor DISPLAY ITEM LIST Revision 2007 April BRC 28 INFOID 000000000 1327673 2008 FX35 FX45 lt SERVICE INFORMATION gt TROUBLE DIAGNOSIS Data monitor item selection VDC TCS ABS x Applicable W Optional item Item Unit ECU INPUT MAIN Remarks SIGNALS SIGNALS GEAR x x Gear position judged by PNP switch signal is displayed SLCT LVR POSI x x Shift position judged by PNP switch signal vss x x Wheel speed calculated by
53. epressed just place a foot on it ABS is activated and vibration is felt However this is normal When shifting gears When driving on slippery road During cornering at high speed When passing over bumps or grooves When pulling away just after starting engine at approximately 10 km h 6 MPH or higher 1 SYMPTOM CHECK 1 Check if pedal vibration or operation sound occurs when engine is started OK or NG OK gt gt Perform self diagnosis Refer to BRC 26 Self Diagnosis NG gt gt GO TO 2 2 SYMPTOM CHECK 2 Check symptom when electrical component headlamps etc switches are operated Does the symptom occur when the electrical component head lamp etc switches are operated YES gt gt Check if there is a radio antenna antenna lead wire or wiring close to ABS actuator and electric unit control unit or its wiring and if there is move it farther away NO gt gt CHECK WHEEL SENSOR Refer to BRC 49 Excessive ABS Function Operation Frequency Vehicle Jerks During VDC TCS ABS Control INFOID 0000000001327697 1 CHECK ENGINE SPEED SIGNAL Perform CONSULT III DATA MONITOR to check engine speed Is engine speed at idle 400 rom or higher YES gt gt GOTOS NO gt gt GO TO 2 2 CHECK ABS WARNING LAMP DISPLAY Make sure warning lamp turns off approximately 2 seconds after the ignition switch is turned ON or when driv ing OK or NG OK System is normal NG gt gt GO 3 3 CHECK ECM SE
54. erating After the inspection reconnect connector OK or NG OK gt gt CHECK WHEEL SENSOR Refer to BRC 49 Excessive ABS Function Operation Frequency NG Check brake system The Braking Distance Is Long INFOI0 0000000001327604 CAUTION On slippery road surfaces the stopping distance might be longer with the ABS operating than when the ABS is not operating 1 CHECK FUNCTION Disconnect ABS actuator and electric unit control unit connector E56 to deactivate ABS In this condition check stopping distance After inspection connect connector OK or NG OK gt gt Bleed air from brake piping Check brake system NG gt gt CHECK WHEEL SENSOR Refer to BRC 49 Excessive ABS Function Operation Frequency Revision 2007 April BRC 49 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYMPTOMS lt SERVICE INFORMATION The ABS Function Does Not Operate INFOID 0000000001327695 CAUTION The ABS does not operate when the speed is 10 km h 6 MPH or less 1 ABS WARNING LAMP DISPLAY Make sure warning lamp turns off approximately 2 seconds after the ignition switch is turned ON or when driv ing OK or NG OK gt gt CHECK WHEEL SENSOR Refer to BRC 49 Excessive ABS Function Operation Frequency NG gt gt Perform self diagnosis Refer to BRC 26 Self Diagnosis Pedal Vibration or ABS Operation Sound Occurs INFOID 0000000001327696 CAUTION Under the following conditions when brake pedal is lightly d
55. f motor inside ABS actuator and electric unit control unit Slight noise may occur during VDC TCS and ABS operation Motor operation noise When the vehicle speed goes over 20 km h 12 5 MPH motor and valves Normal operating noise may be heard It happens only once after ignition switch is ON This is a normal status of the system operation check When engine starts slight click noise may be heard from engine room Sy stoi Operation Check fose This is normal and is part of system operation check Normal TCS may activate momentarily if wheel speed changes when driving over location where friction coefficient varies when up downshifting or when ful ly depressing accelerator pedal For inspection of speedometer or other instruments press VDC OFF switch to turn VDC TCS function off Cancel the VDC TCS When accelerator pedal is depressed on a chassis dynamometer fixed function for the inspec front wheel type vehicle speed will not increase This is not normal It is re tion on a chassis dyna sult of TCS being activated by stationary front wheels Warning lamp may mometer also illuminate to indicate sensor system error This is also normal and is the result of the stationary front wheels being detected To be certain restart engine and drive vehicle at 30 km h 19 MPH or more Make sure warning lamp does not illuminate VDC TCS operation SLIP indicator lamp blinking On roads with lo
56. following when removing ABS actuator and electric unit control unit If the part number on the part number label pasted on actuator upper surface is the same ABS actuator and electric unit control unit can not be used on another vehicle If it is used on another vehicle ABS warning lamp SLIP indicator lamp and VDC OFF indicator lamp may turn ON or VDC TCS ABS may not operate normally When replacing ABS actuator and electric unit control unit must use new service parts Before servicing disconnect battery cables To remove brake tube use a flare nut torque wrench to prevent flare nuts and brake tube from being damaged To install use a flare nut torque wrench commercial service tool and tighten to the spec ified torque Do not apply excessive impact to actuator such as dropping it Do not remove and install ABS actuator and electric unit control unit by holding harness INSTALLATION Note the following and install in the reverse order of removal CAUTION Be careful of the following when installing ABS actuator and electric unit control unit Tighten the mounting bolts and nuts to the specified torque After the work bleed air from brake piping Refer to BR 8 Bleeding Brake System After installing vehicle harness connector in the actuator make sure connector is securely locked When replacing ABS actuator and electric unit control unit calibrate steering angle sensor neutral position and decel G sen
57. forcement roll bar tower bar etc Driving in the condition of breakage or excessive wear of suspension tires or components related to the brakes may cause VDC OFF indicator lamp and SLIP indicator lamp turn on and the VDC system may not operate properly When the TCS or VDC is activated by sudden acceleration or sudden turn some noise may occur The noise is a result of the normal operation of the TCS and VDC When driving on roads which have extreme slopes such as mountainous roads or high banks such as sharp carves on a freeway the VDC not operate normally VDC OFF indicator lamp and SLIP indi cator lamp may turn on However this is not a malfunction if normal operation can be resumed after restart ing engine Sudden turns such as spin turns acceleration turns drifting etc When VDC function is OFF VDC OFF SW ON may cause the G sensor system indicate a malfunction However this is not a malfunction if nor mal operation can be resumed after restarting engine Change 4 tires at a time Be sure to use specified size tires that have the same brand name and pattern Wheel sensor errors can be detected be self diagnosis when tires have wide abrasion variations or the size is different from the genuine tires Revision 2007 April BRC 6 2008 FX35 FX45 PREPARATION lt SERVICEINFORMATION gt CV CITCSIABS PREPARATION Special Service Tool 0000000001327856 The actual shapes of Kent Moore tools may differ
58. front RH wheel sensor signal is displayed OMA x x Wheel speed calculated by front LH wheel sensor signal is displayed MES T x x Wheel speed calculated by rear RH wheel sensor signal is displayed MUR MPH x x Wheel speed calculated by rear LH wheel sensor signal is displayed BATTERY VOLT x Voltage supplied to ABS actuator and electric unit control unit is dis V played m SPEED x x Engine speed judged by CAN communication signal is displayed R x x Longitudinal acceleration detected by decel G sensor is displayed OOE x x VDC OFF switch ON OFF status is displayed NOE SW x x Stop lamp switch ON OFF status is displayed s RATE SEN x x Yaw rate detected by yaw rate sensor is displayed ACCEL POS SIG Throttle valve open close status judged by CAN communication signal is displayed SIG x Steering angle detected by steering angle sensor is displayed IDE G SENSOR e SER x v Lateral acceleration detected by side G sensor is displayed ut SENSOR x v Brake fluid pressure detected by pressure sensor is displayed d 5 Y Brake fluid level switch ON OFF status is displayed ONE COME v x ABS warning lamp ON OFF status is displayed ON ORE v x SLIP indicator lamp ON OFF status is displayed deed v x Front LH IN ABS solenoid ON OFF status is displayed SOL v 5 Front LH OUT ABS solenoid ON OFF status is displayed SOL v x Rear RH IN ABS solenoid ON OFF status is displayed ONCE SOL v P Rear RH OUT ABS solenoi
59. g distance may be longer than that of vehicles without ABS when vehicle drives on rough gravel or snow covered fresh deep snow roads When an error is indicated by ABS or another warning lamp collect all necessary information from customer what symptoms are present under what conditions and check for simple causes before starting diagnostic servicing Besides electrical system inspection check booster operation brake fluid level and fluid leaks If tire size and type are used in an improper combination or brake pads are not Genuine NISSAN parts stopping distance or steering stability may deteriorate If there is a radio antenna or antenna lead in wire including wiring near control module VDC TCS ABS function may have a malfunction or error If aftermarket parts car stereo CD player etc have been installed check for incidents such as harness pinches open circuits and improper wiring Revision 2007 April BRC 5 2008 FX35 FX45 PRECAUTIONS lt SERVICE INFORMATION gt VDC TCS ABS If the following components are replaced with non genuine components or converted VDC OFF indicator lamp and SLIP indicator lamp may turn on or the VDC system may not operate properly Components related to suspension shock absorber strut spring bushing etc Tires wheels exclude specified size components related to brake pad rotor caliper etc components related to engine muffler ECM etc components related to body rein
60. have been replaced or if alignment has been adjusted be sure to adjust neutral position of steering angle sensor before driving Refer to BRC 8 Adjustment of Steering Angle Sensor Neutral Posi tion After diagnosis is finished be sure to erase memory Refer to BRC 26 Self Diagnosis When checking continuity and voltage between units be sure to check for disconnection looseness bend or collapse of connector terminals If any malfunction is found repair or replace connector terminals For intermittent symptoms possible cause is malfunction in harness harness connector or terminals Move harness harness connector and terminals to check for poor connections If a circuit tester is used for the check be careful not to forcibly extend any connector terminal To use CONSULT III to perform self diagnosis of ABS actuator and electric unit control unit active tests or work support first stop work then connect CONSULT III and select ABS While self diagnostic results of CONSULT III shows malfunction if CONSULT III active test is performed an engine system error may be indicated In this case start engine to resume the normal screen VDC TCS ABS system electronically controls brake operation and engine output The following symptoms may be caused by normal operations Revision 2007 April BRC 31 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt VDC TCS ABS Symptom Symptom description Result This is noise o
61. horted NG gt gt GO TO 3 3 CHECK STEERING ANGLE SENSOR HARNESS 1 Check CAN communication circuit Refer to BRC 48 DTC U1000 CAN COMM CIRCUIT 2 Turn ignition switch OFF and disconnect steering angle sensor connector M14 3 Check continuity between steering angle sensor harness con remm AEG nector and ground Steering angle sensor Ground Continuity Steering angle senser harness connector 2 Yes 3 2 1 8 7 6 5 4 2 SFIA1189E 4 Check voltage between steering angle sensor harness connec tor and ground Steering angle sensor angle sensor Ground Voltage Steering angle senser harness connector voltage 3 2 1 Approx 12 V 817181814 OK or NG 1 gt gt TO 4 NG gt gt If the open or short in harness repair or replace har ness SFIA1190E 4 CHECK STEERING WHEEL PLAY Check steering wheel play Refer to PS 9 On Vehicle Inspection and Service OK or NG OK gt gt GOTO5 NG gt gt Adjust steering wheel play 5 PERFORM DATA MONITOR 1 Connect steering angle sensor and ABS actuator and electric unit control unit connectors 2 Perform DATA MONITOR of the STEERING ANGLE SIGNAL to check if the status is normal Steering condition Data monitor display Straight ahead 3 5 deg 3 5 deg Turn wheel to the right by 90 Approx 90 deg Turn wheel to the left by 90 Approx 90 deg NG gt gt
62. ical noise may be heard This is normal When starting engine or just after starting vehicle brake pedal may vibrate or motor operating noises may be heard from engine compartment This is a normal status of operation check Revision 2007 April BRC 10 2008 FX35 FX45 SYSTEM DESCRIPTION lt SERVICE INFORMATION gt VDC TCS ABS Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough gravel or snow covered fresh deep snow roads EBD The Electronic Brake Distribution is a function that detects subtle slippages between front and rear wheels during braking and it improves handling stability by electronically controlling the brake fluid pressure which results in reduced rear wheel slippage In case of electrical system malfunction the fail safe function is activated EBD and ABS becomes inopera tive and ABS warning lamp and brake warning lamp are turned on Electrical system diagnosis by CONSULT III is available During EBD operation brake pedal lightly vibrates and a mechanical noise may be heard This is normal When starting engine or just after starting vehicle brake pedal may vibrate or motor operating noises may be heard from engine compartment This is a normal status of operation check Stopping distance may be longer than that of vehicles without EBD when vehicle drives on rough gravel or snow covered fresh deep snow roads Fai Safe F u n cti n INFOID 000
63. iring harnesses can be identified by yellow and or orange harnesses or har ness connectors Precaution for Brake System INFOID 0000000001327654 Recommended fluid is brake fluid DOT 3 Refer to MA 9 Do not reuse drained brake fluid Be careful not to splash brake fluid on painted areas such as body If brake fluid is splashed wipe it off and flush area with water immediately Do not use mineral oils such as gasoline or kerosene to clean They will ruin rubber parts and cause improper operation Using a flare nut crowfoot and torque wrench securely tighten brake tube flare nuts Brake system is an important safety part If a brake fluid leak is detected always disassemble the affected part If a malfunction is detected replace part with a new one Before working turn ignition switch OFF and disconnect electrical connectors of ABS actuator and electric unit control unit or bat tery negative terminal When installing brake piping be sure to check torque WARNING Commercial service tool Clean brake pads and shoes with a waste cloth then wipe with SBR686C a dust collector Precaution for Brake Control During VDC TCS ABS operation brake pedal lightly vibrates a mechanical noise may be heard This is normal Just after starting vehicle after turning ignition switch ON brake pedal may vibrate or motor operating noise may be heard from engine room This is a normal status of operation check Stoppin
64. minal and ground amp 5 Ed Wheel sensor harness connector Wheel Wheel sensor Ground Voltage Front Front RH 1 Front LH 1 Rear 8 V or more 17 Rear RH 1 LIN Rear LH 3 y SFIA3364E OK or NG OK gt gt Replace wheel sensor NG gt gt Replace ABS actuator and electric unit control unit DTC C1102 RR LH SENSOR 1 Refer to BRC 34 DTC C1101 RR RH SENSOR 1 DTC C1103 FR RH SENSOR 1 Refer to BRC 34 DTC C1101 RR RH SENSOR 1 DTC C1104 FR LH SENSOP 1 Refer to BRC 34 DTC C1101 RR RH SENSOR 1 INFOID 0000000001569691 INFOID 0000000001569692 INFOID 0000000001569693 Revision 2007 April BRC 35 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICE INFORMATION gt VDC TCS ABS DTC C1105 RR RH SENSOR 2 Refer to BRC 34 DTC C1101 RR RH SENSOR 1 DTC C1106 RR LH SENSOR 2 WiF I 0000000201665856 Refer to 34 DTC C1101 RR RH SENSOR 1 DTC C1107 FR RH SENSOR 2 Eeo Refer to 34 DTC C1101 RR RH SENSOR 1 DTC C1108 FR LH SENSOR 2 Refer to 34 1101 RR RH SENSOR 1 DTC C1109 BATTERY VOLTAGE ABNORMAL INFOID 0000000001327665 INSPECTION PROCEDURE 1 CHECK SELF DIAGNOSTIC RESULTS 1 Check the self diagnostic results Self diagnostic results BATTERY VOLTAGE ABNORMAL Does BATTERY VOLTAGE appear in self diagnostic results display YES gt gt 2 NO gt gt INSPECTION EN
65. ntrol signal Brake warning lamp Throttle control signal CAN communication Master cylinder Front wheel sensor RH Yaw rate side G sensor 2WD model Yaw rate side decel G sensor Electric throttle control Pressure sensor AWD model Rear wheel ontrol e Rear wheel ABS actuator and electric sensor LH unit control unit wheel sensor LH wheel sensor LH SFIA1160E 25 sensor RH O O Actuator 28 F u n ct n S INFOID 0000000001327661 VDC In addition to the TCS ABS function the driver steering amount and brake operation amount are detected from steering angle sensor and pressure sensor and the vehicle s driving status amount of under steering over steering is determined from information from G sensor wheel sensor etc and this information is used to improve vehicle stability by controlling the braking and engine power to all four wheels SLIP indicator lamp flashes to inform the driver of VDC operation During VDC operation body and brake pedal lightly vibrate and mechanical noises may be heard This is normal ABS warning lamp VDC OFF indicator lamp and SLIP indicator lamp might turn on when vehicle is subject to strong shaking or large vibration such as when vehicle is on a turn table a ship or a steep slope such as bank while engine is running In this case restart engine on a normal road and if ABS warning lamp V
66. o adjust neutral position of steering angle sensor make sure to use CONSULT III Adjustment can not be done without CONSULT III 1 Stop vehicle with front wheels in straight ahead position 2 Touch WORK SUPPORT and ST ANGLE SENSOR ADJUSTMENT on CONSULT III screen in this order 3 Touch START CAUTION Do not touch steering wheel while adjusting steering angle sensor 4 After approximately 10 seconds touch END After approximately 60 seconds it ends automatically 5 Turn ignition switch OFF then turn it ON again CAUTION Be sure to perform above operation 6 Run vehicle with front wheels in straight ahead position then stop 7 Select DATA MONITOR SELECTION FROM MENU and STR ANGLE SIG on CONSULT III screen Then make sure STR ANGLE SIG is within 0 3 5 deg If value is more than specification repeat steps 1 to 6 8 Erase memory of ABS actuator and electric unit control unit and ECM 9 Turn ignition switch OFF Calibration of Decel G Sensor AWD Models 0000000001327658 After removing installing or replacing yaw rate side decel G sensor ABS actuator and electric unit control unit suspension components or after adjusting wheel alignment make sure to calibration of decel G sensor before running vehicle CAUTION To calibrate decel G sensor make sure to use CONSULT III Adjustment not be done without CON SULT III 1 Stop vehicle with front wheels in str
67. off when VDC OFF switch is turned ON and OFF If indicator lamp status does not correspond to switch operation check the VDC OFF switch system Refer to BRC 48 Component Inspection 4 Make sure ABS warning lamp VDC OFF indicator lamp and SLIP indicator lamp turn off 2 seconds after engine is started If ABS warning lamp VDC OFF indicator lamp and SLIP indicator lamp have not turned off 10 seconds after engine has been started perform self diagnosis of ABS actuator and electric unit control unit 5 After performing the self diagnosis be sure to erase the error memory Refer to BRC 26 Self Diagnosis NOTE Brake warning lamp will turn ON in case of parking brake operation when switch is ON or of brake fluid level switch should not stay ON position BRC 33 Revision 2007 April 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICE INFORMATION gt VDC TCS ABS TROUBLE DIAGNOSIS FOR SYSTEM DTC C1101 RR RH SENSOR 1 INFOID 0000000001327677 After using the CONSULT III SELF DIAG RESULTS to determine the location of the malfunctioning wheel sen sor check all areas to determine the component to be replaced CAUTION Do not measure the resistance value and also voltage between sensor terminal with tester etc because sensor is an active sensor Do not expand terminal of connector with a tester terminal stick when it does the inspection with tester INSPECTION PROCEDURE 1 TIRE Check air pressure wea
68. onnector E46 FR LH E33 FR RH or B69 RR and TROUBLE DIAGNOSIS FOR SYSTEM lt SERVICE INFORMATION gt ABS actuator and electric unit control unit connector E56 2 Check continuity between terminals Also check the continuity when steering wheel is turned right and left and when sensor harness inside wheel well is moved VDC TCS ABS Wheel sensor harness connector Front RH Front LH Rear RH LH L1 ABS actuator and electric unit control unit harness connector 33 34 36 37 42 43 45 46 See ee SFIA1186E Power supply circuit Signal circuit Ground circuit ABS actuator ABS actuator ABS actuator and elec ABS actuator and elec Wheel and electric unit Wheel sensor andelectric unit Wheel sensor tric unit control unit tric unit control unit control unit control unit signal ground Front RH 34 1 33 2 33 34 Front LH 45 1 46 2 45 46 16 47 Rear RH 43 1 42 2 43 42 Rear LH 36 3 37 4 36 37 Power supply circuit Signal circuit Ground circuit Continuity should exist Continuity should exist Continuity should not exist OK or NG OK gt gt GO TO 6 NG Repair or replace harness and connector that have malfunction 6 cHECK WHEEL SENSOR POWER SUPPLY CIRCUIT 1 Disconnect malfunctioning wheel sensor connector 2 Turn ignition switch ON and check voltage between wheel sen sor harness connector power supply ter
69. or and electric unit Brake fluid level switch Continuity control unit 8 1 Yes SFIA1193E 8 Ground No Ground 2 Yes OK or NG OK gt gt Connect connectors and perform an ABS actuator and electric unit control unit self diagnosis NG gt gt If open or short in harness repair or replace applied harness DTC C1156 ST ANG SEN COM CIR INFOID 0000000001569719 BRC Refer to BRC 48 U1000 CAN COMM CIRCUIT DTC C1 1 60 DECEL G SEN SET INFOID 0000000001327689 INSPECTION PROCEDURE 1 SELF DIAGNOSTIC RESULTS 1 Check self diagnostic results Self diagnostic results DECEL G SEN SET Does anything besides DECEL G SEN SET appear on self diagnostic results display YES gt gt Inspect and repair the indicated items Then perform self diagnosis again NO Perform calibration of decel G sensor Then GO TO 2 2 SELF DIAGNOSIS RESULTS 2 Turn ignition switch OFF and ON to erase self diagnostic results and perform ABS actuator and electric unit control unit self diagnosis again Does anything appear on self diagnostic results display YES gt gt Replace yaw rate side decel G sensor Then perform calibration of sensor and perform self diagnosis again NO INSPECTION END DTC C1164 CV 1 INFO1D 0000000001589724 Refer to BRC 40 DTC C1120 FR LH IN ABS SOL DTC C1165 CV 2 INFO1D 0000000001589725 Refer to BRC 40 DTC C1120 FR LH IN ABS SOL D
70. ostic results FR LH IN ABS SOL FR LH OUT ABS SOL RR RH IN ABS SOL Revision 2007 April BRC 40 2008 FX35 FX45 TROUBLE DIAGNOSIS FOR SYSTEM lt SERVIGE INFORMATION gt Self diagnostic results RR RH OUT ABS SOL FR RH IN ABS SOL FR RH OUT ABS SOL RR LH IN ABS SOL RR LH OUT ABS SOL CV 1 2 SV 1 5 2 Is the above displayed in the self diagnosis display items YES gt gt 2 NO gt gt INSPECTION END 2 BRG 1 Disconnect ABS actuator and electric unit control unit connector check terminals for deformation dis connection looseness and so on If any malfunction is found repair or replace terminal 2 Securely reconnect connector and perform self diagnosis or NG OK gt gt Connector terminal contact is loose damaged open or shorted NG gt gt GO TO 3 3 CHECK SOLENOID POWER AND GROUND CIRCUIT 1 Turn ignition switch OFF and disconnect ABS actuator and electric unit control unit connector E56 2 Check voltage between ABS actuator and electric unit control unit harness connector and ground ABS actuator TS electric unit control unit ABS actuator and electric unit control unit Ground Voltage harness connector DISCONNECT tj Battery voltage 98 Approx 12 V SFIA1196E 3 Check continuity between ABS actuator and electric unit control unit harness connector and ground ABS actuator and T S
71. ote the following and install in the reverse order of removal CAUTION Be careful of the following when installing sensor Tighten installation bolts to specified torques When installing make sure there is no foreign material such as iron chips on pick up and mounting hole of sensor Make sure no foreign material has been caught in the sensor rotor Remove any for eign material and clean the mount When installing front sensor be sure to press rubber grommets in until they lock at the three loca tions shown in the figure 2 at shock absorbers and 1 at body panel When installed harness must not be twisted White line on harness must be visible from front When installing rear sensor attach harness at rear suspension member securely Besides harness must not be twisted when installed Revision 2007 April BRC 52 2008 FX35 FX45 SENSOR ROTOR lt SERVICEINFORMATION gt CI CTCSIABS SENSOR ROTOR Re moval and Installation INFOID 0000000001327699 REMOVAL Front Sensor rotor cannot be disassembled To replace sensor rotor replace wheel hub and bearing assembly Refer to FAX 4 Removal and Installation 2WD models FAX 11 Removal and Installation AWD models Rear Follow procedure below to remove rear sensor rotor Remove side flange Refer to RFD 14 Removal and Installation Using a bearing replacer and puller remove sensor rotor from side flange INSTALLATION Front Sensor rotor cannot be disassembled
72. pplied to ABS actuator Ignition switch ON 10to 16 V and electric unit control unit Brake pedal depressed ON STOP LAMP SW Brake pedal operation Brake pedal not depressed OFF VDC OFF switch ON ON When VDC OFF indicator lamp is ON OFF SW VDC OFF switch ON OFF status VDC OFF switch OFF OFF When VDC OFF indicator lamp is OFF ABS warning lamp ON ON ABS WARN LAMP ABS warning lamp ON condition Note 2 ABS warning lamp OFF OFF Ignition switch ON or engine running OFF ABS not operated MOTOR RELAY Operation status of motor and motor relay Ignition switch ON or engine running ABS ON Revision 2007 April operated BRC 24 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt Monitor item Display content Data monitor VDC TCS ABS Condition Reference value in normal operation Actuator solenoid is active ACTIVE TEST with CONSULT III SD ACTUATOR RLY Actuator relay operation status When actuator relay is inactive ETE OFF in fail safe mode VDC OFF indicator lamp status When VDC OFF indicator lamp is ON ON Note 3 When VDC OFF indicator lamp is OFF OFF indi When SLIP indicator lamp is ON ON SLIP LAMP SLIP indicator lamp status p Note 4 When SLIP indicator lamp is OFF OFF FR LH IN SOL Actuator solenoid is active ACTIVE FR LH OUT SOL TEST with CONSULT III
73. r and size Are air pressure wear and size within the standard values YES gt gt 2 NO Adjust air pressure or replace tire 2 CHECK SENSOR AND SENSOR ROTOR Check condition of the sensor mount for looseness etc Check surface of front sensor rotor rubber for damage Check rear sensor rotor for damage OK or NG OK gt gt GO 3 NG gt gt Repair sensor mount or replace sensor rotor 3 CHECK SELF DIAGNOSTIC RESULTS Check the self diagnostic results Self diagnostic results FR RH SENSOR 1 2 FR LH SENSOR 1 2 RR RH SENSOR 1 2 RR LH SENSOR 2 ABS SENSOR ABNORMAL SIGNAL Is the above displayed in the self diagnosis display items YES gt gt 4 NO gt gt INSPECTION END 4 CONNECTOR 1 Disconnect ABS actuator and electric unit control unit connector and malfunctioning wheel sensor con nector E46 FR LH E33 FR RH or B69 RR Check terminal for deformation open circuit poor con tact etc and repair or replace if any malfunctioning condition is found 2 Reconnect connectors drive at a speed of approximately 30 km h 19 MPH or more for approximately 1 minute and perform self diagnosis OK or NG OK gt gt Connector terminal contact is loose damaged open or shorted NG gt gt GOTO 5 5 CHECK WHEEL SENSOR HARNESS Revision 2007 April BRC 34 2008 FX35 FX45 1 Turn ignition switch OFF and disconnect malfunctioning wheel sensor c
74. r circuit between ABS actuator and electric unit control unit and brake fluid level switch is open or shorted BRC 46 DTC C1155 BR FLU ID LEVEL LOW ST ANG SEN COM CIR C1156 CAN communication line or steering angle sensor has generated an er ror BRC 47 DTC C1156 ST ANG SEN COM CIR DECEL G SEN SET C1160 Note 4 Neutral position correction of decel G sensor is not finished 47 C1160 DECEL G SEN SET CV 1 Primary side VDC switch over solenoid valve 1 cut valve 1 is open or 47 DTC C1164 CV 1 C1164 shorted or control line is open or shorted to power supply or ground CV 2 Secondary side VDC switch over solenoid valve 2 cut valve 2 is open BRC 47 C1165 CV 2 C1165 or shorted or control line is open or shorted to power supply or ground SV 1 Primary side VDC switch over solenoid valve 1 suction valve 1 is open oe C1166 or shorted or control line is open or shorted to power supply or ground BECA DIC Secondary side VDC switch over solenoid valve 2 suction valve 2 is C1167 open or shorted or control line is open or shorted to power supply BRC 47 C1167 SV 2 ground VARIANT CODING C1170 V coding is not functioning 48 DTC C1170 VARIANT CODING CAN COMM CIRCUIT U1000 Note 2 When a ABS actuator and electric unit control unit is not transmitting or rec
75. s displayed ABS FAIL SIG ON OFF v v ABS fail signal ON OFF status is displayed EBD FAIL SIG me ar ON OFF v v EBD fail signal ON OFF status is displayed EBD SIGNAL un ON OFF v v EBD operation ON OFF status is displayed ABS SIGNAL a ON OFF v v ABS operation ON OFF status is displayed TCS SIGNAL ON OFF v v TCS operation ON OFF status is displayed VDC SIGNAL ON OFF v VDC operation ON OFF status is displayed EBD WARN LAMP Tu ON OFF v Brake warning lamp ON OFF status is displayed Note CRANKING SIG 2126 ON OFF v v Cranking condition ON OFF status is displayed 4WD FAIL REQ s ON OFF v v AWD fail safe signal ON OFF status is displayed 2WD AWD TP 2WD 4WD v v Distinguish 2WD and AWD Note Serves as EBD warning lamp Active Test INFOID 0000000001327674 CAUTION Do not perform active test while driving vehicle Make sure to completely bleed air from the brake system Active test can not be performed when EBD ABS TCS or VDC operation is malfunction ABS and brake warning lamps turn on during the active test NOTE Revision 2007 April BRC 30 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVICE INFORMATION gt VDC TCS ABS When active test is performed while depressing the pedal depression amount will change This is normal TEST IS STOPPED is displayed 10 seconds after operation start After TEST IS STOPPE
76. sor Refer to BRC 8 Revision 2007 April BRC 54 2008 FX35 FX45 G SENSOR lt SERVICE INFORMATION gt VDC TCS ABS G SENSOR Removal and Installation INFOID 0000000001327701 REMOVAL 1 Remove center console Refer to IP 11 Removal and Installa tion 2 Disconnect G sensor harness connector 3 Remove G sensor mounting bolts Then remove G sensor from vehicle CAUTION Do not drop or strike G sensor because it has little endurance to impact Do not use power tool etc because sensor is weak for the impact INSTALLATION Note the following and install in the reverse order of removal CAUTION Do not drop or strike sensor because it has little endurance to impact After performing above works calibrate decel sensor AWD models Refer to BRC 8 Calibration of Decel G Sensor AWD Models Revision 2007 April BRC 55 2008 FX35 FX45 STEERING ANGLE SENSOR lt SERVICE INFORMATION gt VDC TCS ABS STEERING ANGLE SENSOR Re m oval a nd n stal lat n INFOID 0000000001327702 REMOVAL 1 Remove spiral cable assembly Refer to SRS 36 2 Remove steering angle sensor from spiral cable assembly Back of spiral cable assembly Steering angle sensor Steering angle Spiral cable sensor connector SFIA1404E INSTALLATION Installation is the reverse order of removal CAUTION After work make sure to adjust neutral position of steering angle sensor Refer to BRC 8 Adjustment
77. stems control and mechanism in vehicle thor oughly It is also important to clarify customer complaints before inspec tion First of all reproduce symptom and understand it fully Ask customer about his her complaints carefully In some cases it will be necessary to check symptom by driving vehicle with cus tomer NOTE Customers are not professionals Do not assume maybe cus tomer means or maybe customer mentioned this symptom SEF234G It is essential to check symptoms right from beginning in order to repair a malfunction completely For an intermittent malfunction it is important to reproduce symp tom based on interview with customer and past examples Do not perform inspection on ad hoc basis Most intermittent malfunctions are caused by poor contacts In this case it will be effective to shake suspected harness or connector by hand When repairs are performed without any symptom check no one can judge if mal function has actually been eliminated After diagnosis make sure to perform erase memory Refer to 26 Self Diagnosis For an intermittent malfunction move harness or harness connec tor by hand to check poor contact or false open circuit Always read General Information to confirm general precautions Refer to GI 3 General Precaution SEF233G Revision 2007 April BRC 13 2008 FX35 FX45 TROUBLE DIAGNOSIS lt SERVIGEINFORMATION gt g DIAGNOSIS FLOWCHART
78. w friction coefficients such as snowy roads or gravel roads ABS operation vehicles with ABS may require a longer stopping distance Therefore when an 222 Normal Longer stopping distance driving on such roads avoid overconfidence and keep speed sufficiently low Depending on road conditions driver may feel that feeling of acceleration is insufficient This is because traction control which controls engine and brakes to achieve optimal traction has the highest priority for safety As a Normal result there may be times when acceleration is slightly less than usual for the same accelerator pedal operation Insufficient feeling of accelera tion Basic Inspection INFOID O000000001327676 BRAKE FLUID AMOUNT LEAKS AND BRAKE PADS INSPECTION 1 Check fluid level in the brake reservoir tank If fluid level is low refill brake fluid 2 Check brake piping and around ABS actuator and electric unit control unit for leaks If there is leaking or oozing fluid check the following items If ABS actuator and electric unit control unit connection is loose tighten piping to the specified torque and re perform the leak inspection to make sure there are no leaks f there is damage to the connection flare nut or ABS actuator and electric unit control unit screw replace the damaged part and re perform the leak inspection to make sure there are no leaks When there is fluid leaking or oozing from a part other than ABS
79. y each diagnostic item using the diagnostic test modes shown following Diagnostic test mode Function WORK SUPPORT This mode enables a technician to adjust some devices faster and more accurately by following the indications on CONSULT III SELF DIAG RESULTS Self diagnostic results can be read and erased quickly DATA MONITOR Input Output data in the ABS actuator and electric unit control unit can be read CAN DIAG SUPPORT MNTR The results of transmit receive diagnosis of communication can be read Diagnostic Test Mode in which CONSULT III drives some actuators apart from the ABS actuator and AGMVE TEST electric unit control unit and also shifts some parameters in a specified range FUNCTION TEST Performed by CONSULT III instead of a technician to determine whether each system is OK or NG ECU PART NUMBER ABS actuator and electric unit control unit part number can be read Self D iag n 05 5 INFOID 0000000001327672 OPERATION PROCEDURE Before performing the self diagnosis start engine and drive vehicle at 30 km h 19 MPH or more for approxi mately 1 minute ERASE MEMORY After erasing DTC memory start engine and drive vehicle at 30 km h 19 MPH or more for approximately 1 minute as the final inspection and make sure that the ABS warning lamp VDC OFF indicator lamp SLIP indi cator lamp and brake warning lamp turn OFF CAUTION If memory cannot be erased perform applicably diagnosis N

BRC Brake Control System

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