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Chapter 6 Ford Testing - Snap-on

1. run KOEO test but this message only appears during a fault Always check for memory DTCs after a wiggle test NOTE Do not wiggle the test adapter loose from the self test connector during this test or a false code may set Always exit the test before turning off the ignition To read the service codes from a wiggle test e Select CODES MENU gt KOEO SELF TEST Output State Check Selecting OUTPUT STATE CHECK from the EEC IV Functional Tests menu allows you to switch the PCM signals to the engine actuators on and off to take voltmeter readings If the engine is running turn it off before selecting the output state test NOTE The EEC V menu selection is OUTPUT STATE TEST instead of OUTPUT STATE CHECK for EEC IV systems This difference is with terminology only the function is the same To conduct an output state test 1 Select OUTPUT STATE CHECK The test initiation screen displays Figure 6 26 OUTPUT STATE TEST PRESS Y THEN TURN KEY ON DO NOT START THE ENGINE Figure 6 26 Sample output state test initiation screen 2 Following the screen instructions switch the ignition on with the engine off then press Y CAUTION A When the test begins all actuators except IAC and fuel injectors should be off and the control circuits from the PCM should be high above 10 V Use the DVOM or lab scope to check actuators A self test initiated screen displays followed by the test screen Figure 6 27 TO TOG
2. 2 3 Press N to return to the CODES MENU Select REVIEW CODES If no uncorrected codes are present momentarily disconnect the scan tool from the vehicle to recall the vehicle ID from memory Verify that the ID entered is correct P To select a KOER self test for EEC IV and EEC V i Select KOER SELF TEST The test screen displays Figure 6 11 ENGINE RUNNING SELF TEST START ENGINE ALLOW ENGINE TO REACH NORMAL OPERATING TEMPERATURE PRESS Y WHEN ENGINE IS FULLY WARM 0 00 Figure 6 11 Sample EEC V KOER self test screen EEC IV is similar An EEC IV screen is similar to the EEC V screen shown Follow the on screen instructions The engine must be warm for test results to be valid The timer at the right side of the bottom line counts minutes and seconds from when this test is selected It counts to 9 59 then repeats from 0 00 WARNING Keep hands and test leads away from the fan and other engine parts during all engine running tests Certain components may cycle on at any time during engine running tests 2 Press Y after 2 minutes and a test initiation message displays Figure 6 12 ENGINE RUNNING SELF TEST START ENGINE AND RUN AT IDLE DO NOT ACCELERATE PRESS Y TO CONTINUE OR PRESS Y BEFORE STARTING ENGINE Figure 6 12 Sample KOER self test initiation screen On an EEC IV system if you performed the engine off test before the engine running test a warning message displays if the ignition was
3. ECA manufacturer Mazda Turn the ignition on or off and press Y at the test hold position as directed Read codes as they appear on the display Follow Ford test procedures to troubleshoot and clear codes and to perform specific functional tests OV Be Gor 119 Testing 4EAT Systems 6 9 1 Gathering Codes 1991 95 Escort and Tracer Use an analog voltmeter to gather 4EAT codes on a 1991 92 Escort or Tracer with a 1 9L engine or a 1991 95 Escort or Tracer with a 1 8L engine The DTC output voltage from these models is low about 0 2 V Set the voltmeter to the 2 V scale and connect it as shown in Figure 6 73 and Figure 6 74 The self test input STI is internally grounded in the transmission control module so codes output continuously until the ignition is switched off The first digit of the DTC sweeps longer than the second digit For example a DTC 61 has 6 long sweeps followed by 1 short sweep of the voltmeter needle P To read 4EAT codes on 1 9L 1991 92 Escort and Tracer e Connect an analog voltmeter to the STO terminal of the 4EAT connector Figure 6 73 NOTE i Connect the negative voltmeter lead to the negative battery terminal ZEEE A ES co Cc cs co Figure 6 73 STO terminal on the 6 pin 4EAT test connector P To read 4EAT codes on a 1 8L 1991 95 Escort or Tracer e Connect an analog voltmeter to the pins shown in Figure 6 74 Figure 6 74 Code reading pin locations for 1991 95 Escort and
4. PCM does not set the code Repeating a self test erases the code list from a previous test in memory including continuous codes and replaces it with a new list NOTE This manual code clearing method must be used if the code speed selection is set to read slow codes or fast codes with auto code clear See Reading EEC IV Slow Codes on page 79 for more information To clear codes on EEC IV systems 1 Select CLEAR CODES A confirmation screen displays Figure 6 14 CLEAR MEMORY CODES PRESS Y THEN TURN KEY ON DO NOT START THE ENGINE Figure 6 14 Sample EEC IV clear memory codes confirmation screen 2 Press Y and switch the ignition on The display changes to read self test initiated wait for code clearing After about 40 to 60 seconds the codes cleared screen should display Figure 6 15 CODES CLEARED PRESS N TO EXIT Figure 6 15 Sample EEC IV codes cleared message If the codes cleared message does not appear after about 1 minute refer to Ford Communications Problems on page 717 to diagnose a vehicle self test failure EEC V Code Clearing The CLEAR CODES selection on EEC V systems which manually erases the PCM code memory is similar to that for EEC IV systems NOTE Before clearing codes on an EEC V system always check freeze frame data and pending DTCs with the FRZ FRAME PENDING option on the CODES MENU To clear codes on EEC V 1 Select CLEAR CODES A confirmation screen d
5. Tracer A Ground B Connect here for 1991 92 models C Connect here for 1993 95 models 120
6. a 5 0L or 5 8L carbureted engine Connect the MULTI 1 adapter as shown in Figure 6 10 77 78 Testing Engine amp Powertrain Systems Figure 6 10 EEC III test connector A STI pigtail B Jumper wire C EEC III STI connector D Black MULTI 1 wire E Blue MULTI 1 wire F Brown MULTI 1 wire P To perform a KOER self test on these models On trucks with a 5 0L 2 barrel code F engine connect a jump wire from the STI pigtail pink wire to ground Figure 6 10 wait 8 seconds then disconnect the jump wire to start a self test For all other 5 0L carbureted truck engines connect a jumper wire from the self test input STI pigtail to the ground terminal in the EEC III test connector for 8 seconds Then remove the jumper to start the test On trucks with a 5 8L carbureted engine route manifold vacuum to the tee in the thermactor air bypass valve line before running the test EEC IV and EEC V KOER Self Tests On most 1988 and all 1989 and later models the vehicle PCM does not enter the KOER self test if any of the on demand codes found during the KOEO self test are not corrected If KOEO on demand codes are present a fix all hard codes message displays when the KOER self test is selected In some cases the scan tool may display a message indicating that the cylinder identification cannot be found If this happens follow the procedure below P To check for on demand codes that have not been repaired 1
7. after diagnosis is completed 6 2 3 Data Display The DATA DISPLAY selection for ABS systems operates similarly to Data Display for Ford engine testing See Data Display on page 108 for details CODES CLEARED LF_WSPD MPH 3 RF_WSPD MPH LR_WSPD MPH 3 RR_WSPD MPH CCNTABS O BOO ABS Figure 6 63 Sample Ford ABS data list NOTE i ABS functions are disabled during data communication If the vehicle is driven ABS will not function ABS lamp may flash rapidly during data transmission ABS Data Communication Guidelines P Follow these steps to enter and exit ABS data 1 Be sure the ignition is off when entering the vehicle ID 2 Turn the ignition on 3 Select DATA DISPLAY 4 Turn the ignition off after completing ABS data tests 6 3 Testing GEM CTM FEM and REM Body Systems 108 The Generic Electronic Module GEM is available on many 1995 and later Ford vehicles On some late model vehicles the GEM is referred to as the FEM front electronic module or REM rear electronic module For vehicles with the central timer module CTM the CTM option will display along with GEM the CTM option never displays by itself Selecting GEM GEM CTM FEM or REM from the System Selection menu opens a main menu similar to Figure 6 64 1 RABS II has the ability to retain the last failure DTC in memory even if it occurs intermittently MAIN MENU GEM CUSTOM SETUP gt DATA DISPLAY CODES MENU MOVIES Figure 6
8. are shut off TURN OFF A C AND ALL ACCESSORIES INCLUDING AUXILIARY POWERTRAIN CONTROL RPM CONTROL IF EQUIPPED PRESS Y TO CONTINUE Figure 6 42 Sample EEC V diesel engine injector buzz screen 2 Press Y and switch the ignition on 3 Press Y again to begin the test and self test initiated displays This means the scan tool attempted to start the test It does not mean that the PCM responded If the message stays on screen for more than several minutes the test probably did not start Refer to Ford Communications Problems on page 717 to diagnose the cause of a self test failure During the test all injectors buzz together for about two seconds then each injector buzzes individually in cylinder sequence 1 through 8 for about one second At the end of the test a service code list displays Figure 6 43 SERVICE CODES ON DEMAND SELF TEST CODES P1111 SYSTEM PASS x END OF LIST Figure 6 43 The injector buzz test service code list Glow Plug Test The glow plug test checks of the glow plugs on 7 3L EEC V diesel engines NOTE The vehicle batteries must be in good condition and the charging system working properly before testing During the test battery voltage must be above 11 8 V and below 14 0 V Connect a DMM to the battery to monitor voltage If necessary raise the engine speed during the test to maintain battery voltage To conduct a glow plug test 1 Select GLOW PLUG TEST A turn o
9. attachment screws do not over tighten C FIPL bracket screws do not adjust When the FIPL setting is correct press N 8 Remove the gauge block and attach the throttle return spring and throttle cable in the proper locations 9 Press N to end the FIPL test 10 After testing drive the vehicle to check throttle operation and transmission shifting EEC V Functional Tests NOTE Operations described in this section are not available on all tool platforms The EEC V Functional Tests menu offers two selections for vehicles with gasoline engines e Output State test e Module Identification test Up to five functional tests are available for trucks with 7 3L Powerstroke diesel engines e Output State test e Injector Buzz test e Glow Plug test e Cylinder Contribution test e Switch test Two functional tests are currently available for 6 0L direct injection turbo DIT diesel engine e Injector Buzz test e Glow Plug Engine Running test Output State Test An output state test allows you to switch PCM signals to the engine actuators on and off so they can be tested with a DVOM or lab scope The engine must be off before the test is selected Output state tests for gasoline and diesel systems are slightly different During an output state test actuators stay on or off until you switch them Actuators default to their normal state after 10 minutes after the vehicle is started or after cycling the ignition switches off and on C
10. gt DISPLAY DATA SELECT DESELECT ALL TP V Figure 6 51 Sample EEC V custom data list When the Custom Data menu is first entered all parameters are selected as denoted by the asterisk that appears before them Custom data list selections are retained in scan tool memory until a new vehicle ID is entered or another vehicle control system is selected Be aware this may limit Troubleshooter operation with tips that display data parameters NOTE For some vehicles it may be necessary to access the Custom Data menu from the Exit menu To select custom data 1 Select the parameter name to select or deselect it as noted by the appearance or disappearance of the asterisk 2 To deselect all select SELECT DESELECT ALL 3 After selecting the desired parameters press N to display the custom data list 6 2 Testing ABS Systems Antilock brake systems ABS are available on many 1987 and later Ford Lincoln and Mercury vehicles When a system malfunction occurs the ABS electronic control module ECM illuminates the ABS warning lamp on the instrument panel On some systems the ABS ECM stores service codes in memory for most malfunctions These codes transmit to a scan tool through either the OBD II DLC or the ABS test connector In addition some late model ABS modules provide data stream information Data stream information displays when the ABS control system provides it NOTE The following sections apply to ABS systems on v
11. has no long term memory it records and displays only on demand codes However the scan tool stores codes for later review or printing Repeating the EEC III self test erases memory and stores the codes from the latest test If the KOER self test does not start the display does not change when vacuum is released If this happens apply vacuum to the BMAP sensor again and release it quickly to trigger the test If a test repeatedly will not start refer to Ford Communications Problems on page 717 In some cases the EEC III system may not complete the self test if certain engine conditions are out of limits For example if the engine is not fully warm or if an engine coolant temperature ECT sensor circuit problem exists the KOER self test routine may stop before checking fuel control and air injection The scan tool automatically displays any codes recorded and transmitted up to the point where the test stopped The code display is a valid report of system problems Diagnose and correct the condition that caused the code This may be as simple as ensuring that the engine is fully warm and repeating the test After the problem is corrected always repeat the test to be sure that the code is not reset and that no other codes are present NOTE A hand operated vacuum pump is needed to trigger the KOER self test on all EEC III systems except 1983 5 0L trucks To select an EEC III KOER self test except 1983 5 0L trucks 1 With the igniti
12. memory codes from the ABS ECM memory HOW TO GET CODES Onrly available on early systems with RABS this selection gives instructions for manually gathering and clearing ABS codes REVIEW CODES Allows you to view gathered codes PRINT CODES Allows you to print gathered codes CODES MENU REVIEW CODES gt KOEO SELF TEST PRINT CODES MEMORY CODES CLEAR CODES Figure 6 56 Sample Ford ABS CODES MENU KOEO Self Test Selecting KOEO SELF TEST initiates a self test for ABS that is similar to that for engine testing See KOEO Self Test on page 73 for details 103 104 Testing ABS Systems P To conduct a KOEO self test 1 Select KOEO SELF TEST A key on verification screen displays 2 Make sure the ignition is switched on then press Y NOTE i Some systems require the ignition to be cycled on after pressing the Y button Follow scan tool screen instructions A self test initiated message displays Figure 6 57 This message means the scan tool attempted to start the test it does not mean the vehicle responded If the message stays on the screen more than a few minutes the test probably did not start Refer to Ford Communications Problems on page 717 SELF TEST INITIATED WAIT FOR CODES IF NO RESPONSE IN 60 SECONDS SEE FORD REFERENCE MANUAL APPENDIX B Figure 6 57 Sample KOEO self test initiated At the end of the test the service code list displays Figure 6 58 ENGINE RUNNIN
13. not necessarily mean that the test is over 79 80 gt Testing Engine amp Powertrain Systems MCU KOER Self Tests The KOER self test for MCU systems displays on demand codes that are present with the ignition on and the engine running The MCU is a limited function system that only controls fuel mixture at cruise There is no idle speed timing or EGR control Fuel corrections are made in response to oxygen sensor feedback A KOER self test for an MCU system is similar to that for an EEC IV system see EEC IV and EEC V KOER Self Tests on page 78 except MCU does not output continuous codes and does not perform wiggle tests In addition the self tests detect only MCU related faults Problems outside the MCU system do not set codes Use EEC IV and EEC V KOEO self test for procedures to test MCU NOTE MCU cylinders 4 and 6 require 2500 RPM before the test will initiate Cylinder Balance Test EEC IV SEFI Engines only NOTE Operations described in this section are not available on all tool platforms The cylinder balance test used only on EEC IV models with sequential electronic fuel injection SEFI is actually a functional test However it is entered at the end of a KOER self test The test isolates a weak cylinder The PCM begins the test by fixing the idle speed control duty cycle and allowing the engine to stabilize The PCM then records and stores the engine speed for future reference Depending on the engin
14. output because part of the code may be lost when code output begins On RABS I or RABS II only one DTC is output at a time NOTE The ABS lamp will be on if a DTC is present Leave the ignition on for the test or the DTC will be erased To access flashcodes on a vehicle with RABS I 1 Locate the RABS connector see Rear Antilock Brake System RABS on page 67 and attach a jump wire to the black orange wire 2 Touch the jump wire to ground for 2 seconds and release The ABS lamp should go out and then start the code flash sequence A memory DTC is cleared whenever the ignition is cycled off To output additional codes 1 Repair the code 2 Restore the diagnostic connector 3 Test drive the vehicle 4 Repeat the procedure above to re test To access flashcodes on a vehicle with RABS II 1 Locate the RABS connector see Rear Antilock Brake System RABS on page 67 and disconnect the mating connector with the key on 2 Attach a jump wire to the black orange wire 3 Touch the jump wire to ground for 2 seconds and release The ABS lamp flashes a DTC To see additional codes use the procedure for RABS I 107 Testing GEM CTM FEM and REM Body Systems P To clear a memory DTC on a vehicle with RABS II 1 Disconnect the keep alive memory power feed wire from the diagnostic connector 2 Switch the ignition key off 3 Reconnect the keep alive memory power supply wire to the diagnostic connector lead
15. screen displays Figure 6 72 ECA MANUFACTURER FORD CODE SPEED gt TEST HOLD TEST 11 FAST CODE DISPLAY LIVE 10 SLOW SCROLL TO SELECT PRESS Y TO CHANGE Figure 6 72 Super Star Il operating screen 6 8 1 Super Star Il Controls and Indicators Scan tool controls operate as follows in the Super Star Il mode e Moving the cursor up and down selects any of the three functions on the screen e The Y button switches between alternate functions as indicated by the cursor e The N button exits from the Super Star II mode back to the starting test selection screen 6 8 2 Basic Super Star Il Operation The following sections outline basic Super Star Il operations for testing Ford electronic systems Refer to Ford test procedures in Ford service manuals or equivalent publications for specific instructions ECA Manufacturer The manufacturer of the electronic control assembly ECA for the test system must be identified when using Super Star Il Emulation Mode There are two choices Ford and Mazda Mazda control systems are used for e 1994 97 Aspire with 1 3L engine e 1991 94 Capri with 1 6L engine e 1992 96 Escort and Tracer with 1 8L engine e 1988 93 Festiva with 1 3L engine e 1989 95 Probe with 2 0L 2 2L and 2 5L engines e 1988 91 Tracer with 1 6L engine All other models use a Ford system The ECA MANUFACTURER selection affects test procedures and code displays on the test vehicle NOTE Some 4EAT tran
16. self test probably did not run Refer to Ford Communications Problems on page 717 to diagnose the cause of a self test failure SERVICE CODES KEY ON ENGINE OFF CODES FIX FIRST P1234 SAMPLE DTC END OF LIST Figure 6 6 Sample EEC V services codes screen MCU KOEO Self Tests The KOEO self test for an MCU system displays on demand codes that are present with the ignition on and the engine not running This is a limited function system that only controls fuel mixture at cruise speed There is no idle speed timing or EGR control Fuel corrections are made in response to O2S feedback KOEO self tests for MCU systems and EEC IV systems are similar see EEC IV KOEO Self Tests on page 74 except MCU does not output continuous codes of intermittent faults and does not perform wiggle tests Also self tests detect only MCU related faults Problems outside of the MCU control system do not set codes Use the KOEO self test for EEC IV systems described on EEC IV KOEO Self Tests on page 74 to test an MCU system KOER Self Test Selecting KOER SELF TEST displays on demand codes present with the engine running Service these codes after KOEO on demand codes and before memory codes Most Ford vehicles do not perform a KOER test if any KOEO hard codes are present and uncorrected 75 76 Testing Engine amp Powertrain Systems The entire engine running test usually takes about 1 to 3 minutes for an EEC V system or a
17. test initiated screen displays If the system does not respond within a few seconds press N to return to the CODES MENU e An MECS system does not distinguish between on demand and continuous memory codes The code review summary lists only KOEO and KOER codes Any memory codes are listed in numerical order with the KOEO codes NOTE All stored codes display after both self tests Disconnecting the battery ground cable clears PCM memory Also press the brake pedal on Probe models Repeat the self tests for a list of on demand codes Any codes not repeated after clearing PCM memory were continuous memory codes e An MECS system is continuously monitoring for codes in a KOEO or KOER self test If a fault occurs during a self test the scan tool immediately displays the code on the screen 6 1 2 Functional Tests NOTE i Operations described in this section are not available on all tool platforms The FUNCTIONAL TESTS selection is available for EEC IV EEC V and diesel systems but menu items are completely different for all systems See EEC IV Functional Tests on page 85 and EEC V Functional Tests on page 94 for details For diesel systems see the following sections e Fuel Injection Pump Lever Test on page 91 e Output State Test on page 95 e Injector Buzz Test on page 96 e Glow Plug Test on page 97 e Cylinder Contribution Test on page 97 e Switch Test on page 99 EEC IV Fu
18. the scan tool to a compatible printer 2 Select PRINT CODES How To Get Codes RABS Only This selection displays only when testing rear antilock brake systems RABS and provides information on diagnostic connector locations code flashing methods code definitions and basic code clearing gt gt gt A RABS consists of the following e RABS module e RABS valve e Diagnostic connector e Yellow antilock warning light e Speed sensor e Excitor ring located in the rear differential housing The RABS module performs system tests and self tests during startup and normal operation If a problem is found RABS is deactivated the ABS lamp comes on and a code may set A RABS I vehicle only stores codes while the ignition is on If a DTC is present the ABS or RABS lamp goes on no pass code A RABS II vehicle is equipped with a keep alive memory DTCs remain in memory until the diagnostic connector is disconnected and the ignition is cycled off A system with no detected faults transmits DTC 16 A base brake fault such as low fluid may cause the ABS lamp and possibly the red brake warning lamp to go on without storing a DTC For information refer to the Snap on ABS Troubleshooter Cartridge DTCs consist of short flashes followed by a series of long flashes Count all flashes to read a DTC A DTC will flash continuously until the key is turned off It is best to read a DTC several times and disregard the first code
19. using the CLEAR CODES selection on the CODES MENU Selecting CODE SPEED opens the SELECT CODE SPEED menu Figure 6 13 SELECT CODE SPEED PRESS N TO EXIT gt FAST CODES W AUTOMATIC CODE CLEARING FAST CODES NO AUTOMATIC CODE CLEARING SLOW CODES NO AUTOMATIC CODE CLEARING Figure 6 13 Sample SELECT CODE SPEED screen Memory Codes Available on powerstroke diesel and EEC V systems only selecting MEMORY CODES displays the continuous codes of intermittent faults from PCM memory These codes should be serviced last after any on demand codes On EEC IV systems memory codes gather at the end of the KOEO self test Clear Codes CLEAR CODES is available on EEC IV and EEC V systems only this selection manually clears continuous codes from PCM memory On EEC IV systems you have the option of clearing codes automatically after a KOEO self test 81 gt Testing Engine amp Powertrain Systems EEC IV Code Clearing The CLEAR CODES selection for EEC IV systems is used to manually erase the PCM memory When selected the scan tool repeats the KOEO test then interrupts the self test input line to clear the PCM Ford service procedures advise clearing all codes after making repairs and then repeating the self test to verify the repair Note that continuous codes displayed during a self test are saved in scan tool memory If codes are cleared and the problem does not reoccur for an on demand code when a self test is repeated the
20. wait to start lamp and the electronic feedback EF signal from the injector drive module IDM 3 Take circuit readings while the test is activated 4 Press N or the brake pedal to exit 95 96 A gt Testing Engine amp Powertrain Systems Module Identification Test The MODULE ID selection from the EEC V Functional Tests menu is available on EEC V gasoline and 7 3L Powerstroke Diesel engine models displays the PCM module software file part number and if available the VIN of the vehicle To conduct a Module ID test 1 Select MODULE ID TEST An identification screen displays Figure 6 41 If a module does not store VIN information not available displays on the third line SOFTWARE FILE CCAQAB3 HEX MODULE PART F4WFBD VIN XXXXXXXXXXXXXXXX Copyright Ford Motor Co 1993 Figure 6 41 Sample EEC V module identification screen 2 Press Y to print the screen or press N to exit Injector Buzz Test The injector buzz test performs an operational check of the injector solenoids and valves on 6 0L and 7 3L diesel engines The engine must be off to run the injector buzz test CAUTION Make sure the fuel system is intact and that no fittings or connections are open for service before proceeding with the injector buzz test To conduct an injector buzz test 1 Select INJECTOR BUZZ TEST An instruction screen displays Figure 6 42 Make sure all accessories including auxiliary powertrain control
21. 6 5 If the wait for codes message is on screen for more than a few minutes the test probably did not start Refer to Ford Communications Problems on page 717 to diagnose the cause of a self test failure REVIEW FAST CODES KEY ON ENGINE OFF CODES FIX FIRST 11 SYSTEM PASS CONTINUOUS MEMORY CODES FIX LAST Figure 6 5 Sample EEC IV screen with no codes present NOTE The last line reads End of List when you reach the end but this does not necessarily mean that the test is complete especially with slow codes EEC V KOEO Self Tests The KOEO self test for EEC V is similar to that for EEC IV The main difference is that the EEC V is OBD II compliant so it transmits 5 digit DTCs No memory codes or soft codes are gathered during the KOEO self test with EEC V Memory clearing also called PCM reset is required to switch off the MIL on EEC V systems Certain memory codes trigger the MIL and they must be cleared to turn the lamp off Drive symptoms may appear or disappear when the PCM is reset To select a KOEO self test for EEC V systems 1 Select KOEO SELF TEST The KOEO self test confirmation screen displays 2 Press Y and a self test initiated wait for codes message displays The KOEO self test takes about 30 to 60 seconds to complete then the service codes screen should display Figure 6 6 If the wait for codes message stays on the screen for more than 2 to 3 minutes the
22. 6 54 Connector pin 571 on ABS DLC for 1994 96 Econoline with 4WABS 4 Attach the Ground adapter MT2500 41 to the black wire on the FRD 4 adapter Figure 6 55 102 B Figure 6 55 FRD 4 adapter A Black wire to ground B Red wire to DLC Pin 571 Connect the other end of the ground adapter to a known good ground the green wire on the FRD 4 adapter is not used 6 2 2 Codes Menu During a KOEO self test the ABS ECM transmits on demand codes see A Note about Service Codes on page 72 for a description of on demand codes On most systems continuous codes are gathered by selecting MEMORY CODES from the CODES MENU Some early systems gather continuous codes automatically at the end of the KOEO self test The CODES MENU displays when CODES MENU is selected from the MAIN MENU ABS Figure 6 56 Menu selections are KOEO SELF TEST This test displays on demand codes present with the ignition on but the engine not running These are usually electrical open and short circuits and must be serviced first before any continuous codes On some early systems the KOEO test displays continuous codes For these vehicles the MEMORY CODES selection below does not appear MEMORY CODES Available on late model systems only this selection displays continuous codes of intermittent faults from ABS module Memory codes should be serviced last after any other codes generated by the KOEO self test CLEAR CODES Clears continuous
23. 64 Sample main menu for GEM CTM FEM and REM These systems control numerous body system functions including but not limited to e Power door locks e Chimes e Interior lighting e 4x4 transfer case e Wiper control The circuits controlled by these systems vary depending on the vehicle All operate similarly and have the following functions available e KOEO Self Test e Gather and clear memory codes e Review and print codes only after codes have been gathered e View data parameters During the KOEO self test the GEM transmits on demand codes Continuous codes are generated by selecting MEMORY CODES from the GEM CODES MENU Although CODES MENU options access tests specific to GEM controlled electronics scan tool operation is the same as for ABS CODES MENU options Refer to Codes Menu on page 103 for detailed instructions 6 3 1 Data Display Before viewing data on some EEC IV and all EEC V vehicles you are prompted to select a data parameter group from the Custom Data menu Figure 6 65 SCROLL amp PRESS Y TO SELECT DESELECT gt DISPLAY DATA SELECT DESELECT ALL DTC CouNT Figure 6 65 Sample GEM CUSTOM DATA MENU The GEM Custom Data menu works exactly like the Engine Custom Data menu See EEC V Data Display on page 100 6 4 Testing ICM HEC and VIC Body Systems Selecting ICM HEC or VIC MODULE from the System Selection menu opens a main menu similar to Figure 6 66 109 Testing 4X4 Transfer C
24. 996 and later vehicles There are several variations but all PATS modules generally work the same Figure 6 71 PATS consists of the following e PATS control module communicates with the PATS transceiver to verify key code through the Tx and Rx signal wires e SecuriLock Ignition Key s contains a unique key code that is married to the vehicle e PATS Transceiver mounted on the ignition lock cylinder housing and energizes the ignition key electronics through circular antenna e Powertrain Control Module PCM enables fuel pump and injectors if a valid PATS key is detected e Theft lamp operates as follows Ignition OFF lamp flashes every two seconds to act as a visual theft deterrent on some vehicles Ignition RUN or START lamp flashes on for two or three seconds and then off System fault lamp flashes briefly and then flashes rapidly or remains on for one minute After being energized the PATS control module requests the ignition code through the PATS transceiver Tx The SecuriLock key transmits the ignition key code to the PATS transceiver which sends it to the PATS control module Rx The PATS control module compares the ignition key code to the ignition key codes stored in non volatile memory The PATS control module transmits a signal to the PCM to enable or disable the fuel pump and injectors and ground starter relay on some vehicles Figure 6 71 Typical PATS opera
25. AUTION A Make sure the fuel system is intact and not being serviced before proceeding Selecting all outputs on causes the electric fuel pump to briefly energize Also make sure fan blades are clear of obstruction before selecting low or high speed fan on P To conduct an output state test on a vehicle with a gasoline engine 1 Select OUTPUT STATE TEST A test activation screen displays 2 Press Y and the test list displays Figure 6 39 gt NORMALLY ON OUTPUTS OFF ALL OUTPUTS ON LOW FAN ON ONLY HIGH FAN ON ONLY Figure 6 39 Sample EEC V gasoline engine output state tests 3 Select the desired test If the vehicle performs the test activated displays to the right of the selected test If the vehicle does not perform the test error displays to the right of the selected test 4 Take circuit readings while the test is activated P To conduct an output state test on a vehicle with a Powerstroke 7 3L diesel engine 1 Select OUTPUT STATE TEST A test activation screen displays Figure 6 40 KOEO OUTPUT STATE SELF TEST DEPRESS RELEASE ACCELERATOR PEDAL TO CYCLE OUTPUTS NO CODES AVAILABLE DEPRESS BRAKE PEDAL OR PRESS N TO EXIT Figure 6 40 Sample EEC V diesel engine output state test 2 Press and release the accelerator pedal to cycle the output state of relays solenoids the transmission control indicator lamp TCIL the fuel delivery command signal FDCS the cylinder identification CID signal the
26. DES selection must be used to clear the PCM Print Codes The PRINT CODES selection prints the service code list from scan tool memory All printouts of the code list include the vehicle ID 83 Testing Engine amp Powertrain Systems P To print codes 1 Select PRINT CODES A printing wait message displays After printing is complete the message clears 2 Press N at any time during the printing process to abort printing The display returns to the CODES MENU before the printing is complete If the printer does not respond or fails a not responding message displays Figure 6 17 If the printer problem is corrected or if the printer recovers the display returns to the normal printing screen and the printer resumes printing PRINTING WAIT PRESS N TO ABORT PRINTING PRINTER NOT RESPONDING CHECK PRINTER CHECK PRINTER PAPER Figure 6 17 Sample printer not responding message MECS Service Codes The CODES MENU selections for MECS models operate the same as described for an EEC IV system The MECS provides KOEO and KOER self test selections but the engine control system operates slightly differently than a Ford system Differences between MECS and Ford control systems are e The MECS control module continuously monitors engine operation for conditions that set codes If no codes are present the system does not transmit them to the scan tool Because there are no codes the display does not change when the
27. Ford Testing This chapter provides information and procedures for using the scan tool with the following control systems e Engine amp Powertrain e Transmission e ABS Antilock Brake System e GEM Generic Control Module e CTM Central Timer Module e FEM Front Electronic Module e REM Rear Electronic Module e PATS Passive Anti Theft System e RCM Restraint Control Module e SCLM Steering Column Lighting Module e ICM Instrument Cluster Module e HEC Hybrid Electronic Cluster e VIC Virtual Image Cluster e 4X4 e Transfer case e 4EAT 4 speed Electronic Automatic Transmission e ECS Electronic Crash Sensor e IABM Integrated Airbag Module e SRS Supplemental Restraint System For additional information on Ford vehicles see the following sections e Ford Operations on page 53 e Ford Data Parameters on page 291 e Ford Communications Problems on page 717 6 1 Testing Engine amp Powertrain Systems After selecting ENGINE amp POWERTRAIN from the System Selection menu the MAIN MENU PCM displays Figure 6 1 Selections vary by model and year MAIN MENU PCM MOVIES gt DATA DISPLAY CUSTOM SETUP CODES MENU FUNCTIONAL TESTS Figure 6 1 Sample Ford MAINMENU PCM 71 Testing Engine amp Powertrain Systems This section is divided into the following subsections e Codes Menu on page 72 e Functional Tests on page 84 e Data Display on page 99 The MOV
28. G SELF TEST START ENGINE AND RUN AT IDLE DO NOT ACCELERATE PRESS Y TO CONTINUE OR PRESS Y BEFORE STARTING ENGINE Figure 6 58 Sample ABS service code list If no codes are detected during the test a P0000 no faults present message displays Memory Codes The MEMORY CODES selection displays continuous codes of intermittent faults from the ABS ECM Some early model vehicles automatically gather memory codes at the end of the KOEO self test Continuous codes should be serviced last after servicing any on demand codes found during the KOEO self test P To gather memory codes ate Select MEMORY CODES A key on verification screen displays Make sure the ignition is switched on Press Y to continue A self test initiated screen displays Figure 6 57 This message means the scan tool attempted to start the test it does not mean the vehicle responded If the message stays on the screen more than a few minutes the test did not start Refer to Ford Communications Problems on page 717 to diagnose the cause of a self test failure When the ABS ECM finishes the test the service code list displays If no codes are detected during the test a P0000 no faults present message displays Figure 6 59 SERVICE CODES CONTINUOUS MEMORY CODES FIX LAST P0000 NO CODES PRESENT END OF LIST Figure 6 59 Sample ABS memory code list Clear Codes Selecting CLEAR CODES from the CODES MENU erases any con
29. GGLE ENGINE OFF The test initiation screen displays Figure 6 21 WIGGLE TEST KEY ON ENGINE OFF TURN KEY ON DO NOT START ENGINE WITH KEY ON PRESS Y TO CONTINUE Figure 6 21 Sample engine off wiggle test initiation screen 2 Switch the key on and press Y After a brief startup message the test displays Figure 6 22 MOVE WIGGLE AND TAP THE HARNESS SENSORS AND CONNECTORS DO NOT TURN KEY OFF DURING TEST PRESS N TO EXIT Figure 6 22 Sample engine off wiggle test screen 3 Wiggle or tap the engine sensors actuators and wiring connectors The bottom line of the screen is blank until a fault occurs and a code sets If a code sets the bottom line displays a memory code stored run KOEO test message Always check for memory DTCs after a wiggle test NOTE i Do not wiggle the test adapter loose from the self test connector during this test or a false code may set Always exit the test before turning off the ignition or a false code may result P To read the service codes from a wiggle test e Select CODES MENU gt KOEO SELF TEST Wiggle Engine Running Test Selecting WIGGLE ENGINE RUNNING from the EEC IV Functional Tests menu places the EEC IV system into a program that records intermittent service codes as you wiggle or tap on engine sensors actuators and wiring connectors with the engine running The test is not valid for the following engines because the self test output line continuous
30. GLE ACTUATORS ON OFF SNAP THE THROTTLE CHECK THE ACTUATORS INDIVIDUALLY WITH A DVOM ACTUATORS OFF Figure 6 27 Sample output state test screen 3 Press the accelerator to wide open throttle WOT to switch all engine actuators from off to on or from on to off All of the actuators stay on or off until the throttle is pressed again As the actuators change state the bottom line of the display shows if they are on or off Idle Speed Adjustment Test The IDLE SPEED ADJUST functional test allows you to adjust the idle speed for certain 1990 and later engines Before adjusting idle soeed make sure the throttle body and idle speed control ISC device are clean and the throttle linkage is not sticking or binding Certain throttle bodies and ISC devices cannot be cleaned Refer to Fast Track Troubleshooter Ford Reference F051 for throttle body cleaning information Also switch all accessories off and make sure the O2S is working properly ignition timing is correct and there are no vacuum leaks Place the transmission in park or neutral before selecting the test A command from the scan tool starts the engine running test and a signal from the EEC IV PCM indicates when the test is complete During this waiting period the cylinder identification displays along with instructions to press the brake pedal turn the steering wheel or snap the throttle These actions are not necessary however doing them speeds the self test CAU
31. IES and CUSTOM SETUP options are discussed in detail in the user s manual for your scan tool 6 1 1 Codes Menu Selecting CODES MENU from the MAIN MENU PCM gives you several options for working with diagnostic trouble codes DTCs There are slight differences between EEC IV Figure 6 2 and EEC V Figure 6 3 Codes menus CODES MENU CODE SPEED FAST gt KOEO SELF TEST CODE SPEED KOER SELF TEST CLEAR CODES REVIEW CODES PRINT CODES Figure 6 2 Sample EEC IV codes menu CODES MENU FRZ FRAME PENDING gt KOEO SELF TEST CLEAR CODES KOER SELF TEST MEMORY CODES Figure 6 3 Sample EEC V codes menu CODES MENU options are discussed in the following sections e KOEO Self Test on page 73 e KOER Self Test on page 75 e Code Speed on page 81 e Memory Codes on page 81 e Clear Codes on page 81 e Review Codes on page 83 e Print Codes on page 83 NOTE i FRZFRAME PENDING opens a menu of codes options that work the same as OBD II Codes amp Data menu items of the same name A Note about Service Codes Ford refers to DTCs as service codes and classifies them as on demand codes and continuous codes e On demand codes occur during either a key on engine off KOEO self test or a key on engine running KOER self test e Continuous codes are memory codes from the PCM These indicate intermittent problems that occurred in the past during normal vehicle operation Memory codes
32. Il mode and clear the memory Then press Y to reenter for further testing Code Speed The scan tool receives and displays both fast and slow codes and indicates whether each code was a fast or a slow transmission under the code speed display Some systems transmit both fast codes and slow codes others transmit only slow codes Code speed does not affect code meaning Fast codes are transmitted one time each Slow codes are transmitted two times each The scan tool records and displays all codes Reading Codes Most Ford ABS cruise control and other electronic systems transmit codes after the self test starts Some systems transmit a pass code if no faults are present Others transmit nothing if no faults are present Some systems may take up to one minute to transmit the first code or may pause for 30 seconds or a minute between codes Certain systems transmit only one code at a time which must be corrected before other codes are transmitted Because of code variations it is important to exactly follow the Ford test procedures for the specific vehicle and system being tested Clearing Codes Several different methods are used to clear codes from various Ford electronic systems Some require that the vehicle battery be disconnected to clear codes from the control module Refer to Ford test procedures for the exact vehicle and system being tested for instructions to clear codes The code memory of the scan tool clears automati
33. L SENSOR SCREWS AND ROTATE SENSOR TO CORRECT SETTING CURRENT CONDITION IS FIPL SETTING IS iit Figure 6 37 Sample FIPL adjustment screen Ten minutes after the overdrive cancel switch is pressed the PCM stops communicating with the scan tool Normally this is enough time to complete the test and adjustment If not exit the test go to the Functional Tests menu and repeat this procedure IMPORTANT Incorrect FIPL sensor adjustment may result in transmission damage The sensor is attached to the pump with tamperproof screws Do not move the mounting bracket Only adjust the clearance between the sensor to bracket screws and the sensor 6 If needed adjust the FIPL sensor as follows and refer to Figure 6 38 a Loosen the two FIPL sensor attachment screws b Slowly rotate the sensor until the display indicates the setting is correct The FIPL sensor rotates slightly in either direction Rotate the FIPL first one way and then the other until properly adjusted If the sensor cannot be properly adjusted replace it c Tighten the screws to 75 to 90 inch pounds of torque d Remove the gauge block and cycle the throttle lever from idle to WOT five times 93 94 Testing Engine amp Powertrain Systems e Use the gauge block and verify the FIPL setting If further adjustment is necessary repeat the procedure Figure 6 38 Adjusting the FIPL sensor left side view A Fuel Injection Pump Lever FIPL sensor B FIPL
34. NG ANY OTHER TEST PRESS Y TO CONTINUE Figure 6 45 Sample EEC V diesel cylinder contribution test Press Y The self test initiated message displays This message means the scan tool attempted to start the test It does not mean the vehicle responded If the message stays on the screen more than several minutes the test probably did not start See Ford Communications Problems on page 717 to diagnose the cause During the test some changes in engine RPM may occur However a weak cylinder has little effect on idle quality during the test When the PCM finishes the test a service code list displays Switch Test Selecting SWITCH TEST initiates a key on engine running test of various driver input circuits This test is available for 7 3L diesel engines only CAUTION A Always chock the vehicle wheels before performing an engine running switch test This test requires parking brake apply and release P To conduct a switch test 1 Press Y A test initiation screen displays Figure 6 46 KOER SWITCH TEST PRESS Y TO CONTINUE THEN DEPRESS RELEASE ACCELERATOR TO START PARKING BRAKE SPEED CONTROL SWITCHES TCS OR CLUTCH BRAKE TO STOP Figure 6 46 Sample EEC V diesel switch test 2 Press Y to continue Verify the engine is running then perform the driver inputs in the following order Press and release the accelerator to start the test Set and release the parking brake Press and release the speed cont
35. S selection from the MAIN MENU RCM ECS offers the choices shown in Figure 6 69 CODES MENU CLEAR CODES gt MEMORY CODES KOEO SELF TEST LAMP FAULT CODES Figure 6 69 Sample Airbag Service Code menu The DATA DISPLAY selection is available on most 1996 and later vehicles It operates like Data Display for Ford engine testing See Data Display on page 108 for detailed information 6 7 Testing Anti theft PATS Systems After selecting PATS from the System Selection menu the MAIN MENU PATS displays Figure 6 70 111 Testing Anti theft PATS Systems MAIN MENU PATS gt DATA DISPLAY CODES MENU MOVIES CUSTOM SETUP Figure 6 70 Sample PATS main menu PATS systems have the following functions available e KOEO Self Test e Gather and clear memory codes e Review and print codes only after codes have been gathered e View data parameters During the KOEO self test the PATS module transmits on demand codes Continuous codes are generated by selecting MEMORY CODES from the CODES MENU Although CODES MENU options access tests specific to PATS controlled Electronics scan tool operation is the same as for ABS Service Code Tests Refer to Codes Menu on page 103 for detailed instructions The DATA DISPLAY selection operates similarly to Data Display for Ford engine testing See Data Display on page 108 for detailed information 6 7 1 About PATS PATS is a vehicle security feature introduced on 1
36. ST selection on a Ford EEC III system displays a checklist based on preliminary tests recommended by Ford Ford advises these checks be completed before performing an engine running test These checks are also helpful for troubleshooting a no start condition EEC IV KOEO Self Tests The KOEO SELF TEST selection for EEC IV systems displays on demand codes that are present with the ignition on but the engine not running as well as continuous codes of intermittent faults from PCM memory Any of the KOEO on demand codes are usually the result of electrical open and short circuits and must be serviced before any other codes Continuous codes should be serviced last after any on demand codes The scan tool displays on demand codes first followed by continuous memory codes This is the order in which they must be repaired If no codes are present a 11 System Pass message displays If codes are present they display by number and description Figure 6 4 REVIEW CODES 33 EGR VALVE NOT OPENING 71 IDLE TRACKING SW STUCK OR CKT PROBLEM 95 FUEL PUMP CKT OPEN ECA TO GROUND Figure 6 4 Sample EEC IV Review Codes screen P To select a KOEO self test for EEC IV 1 Select KOEO SELF TEST The KOEO self test confirmation screen displays 2 Press Y and self test initiated wait for codes displays After 45 to 60 seconds when reading fast codes or a minute or more for slow codes a review codes screen should display Figure
37. TION A If any service codes other than 11 no faults present are displayed after the engine running test correct any code problems before proceeding with the idle adjustment P To conduct an idle speed adjustment test 1 Select IDLE SPEED ADJUST The test initiation screen displays Figure 6 28 If another test was performed before this one a warning screen may display because the self test output STO circuit is still energized from the previous test For some vehicles it is safe to ignore this message and enter the test If you are uncertain turn the key off wait 10 seconds and restart the engine before entering the test 89 Testing Engine amp Powertrain Systems IDLE SPEED ADJUSTMENT START ENGINE AND RUN AT 2000 RPM FOR 2 MINUTES OR UNTIL EGO IS WARM PRESS Y WHEN DONE 0 00 Figure 6 28 Sample idle speed adjust test initiation screen 2 Start the engine and run at 2000 RPM for two minutes There is a clock displayed in the lower right corner of the screen Skip this warm up if the engine is already warm 3 Press Y and the test initiated screen displays Once the test is complete the scan tool sends a start idle test signal to the PCM The screen changes as the scan tool waits for a response from the PCM Figure 6 29 Some 1991 5 8L truck engines do not have the idle speed test ENGINE RUNNING TEST COMPLETE READY FOR IDLE SPEED TEST IF NO RESPONSE IN 15 SECONDS IDLE TEST MAY NOT BE A
38. VAILABLE IN THIS EEC SEE FORD REFERENCE MANUAL Figure 6 29 Sample idle speed adjust test complete screen When the idle speed test signal is received from the PCM the throttle stop screw adjustment screen displays Figure 6 30 The display indicates if idle speed is too high too low or correct If the display reads TPS out of adjustment fix first the throttle position sensor must be fixed to proceed If idle speed is correct skip to the last step TURN THROTTLE STOP SCREW TO ADJUST RPM PRESS N WHEN DONE AND RPM IS IN SPEC CURRENT CONDITION IS x IDLE RPM 975 Figure 6 30 Sample idle speed adjust throttle stop screen Ten minutes after the idle speed test signal is received the PCM stops communicating Normally this is enough time to complete the adjustment If not return to the Functional Tests menu and repeat Turn the throttle stop until idle RPM correct displays 5 Press N when the idle RPM is correct An instruction and verification screen displays Figure 6 31 RUN ENGINE AT 1500 RPM FOR 10 SECONDS WHEN DONE PRESS Y TO RECHECK BASE IDLE OR PRESS N TO EXIT 0 00 Figure 6 31 Sample idle speed adjust verification screen 6 Runthe engine at 1500 RPM for 10 seconds return to idle and press Y An idle RPM correct message should display If not repeat the idle speed adjustment 7 When the idle is properly adjusted press N to exit Fuel Injection Pump Lever Test The FIPL ADJUST
39. ase Systems MAIN MENU ICM HEC CUSTOM SETUP gt DATA DISPLAY CODES MENU MOVIES Figure 6 66 Sample main menu for ICM HEC or VIC systems These systems have the following functions available e KOEO Self Test e Gather and clear memory codes e Review and print codes only after codes have been gathered e View data parameters During the KOEO self test the ICM HEC and VIC modules transmit on demand codes Continuous codes are generated by selecting MEMORY CODES from the CODES MENU Although CODES MENU options access tests specific to ICM HEC and VIC controlled electronics scan tool operation is the same as for ABS CODES MENU options Refer to Codes Menu on page 103 for detailed instructions The DATA DISPLAY selection is available on most 1996 and later vehicles It operates like Data Display for Ford engine testing See Data Display on page 109 for detailed information 6 5 Testing 4X4 Transfer Case Systems 110 Selecting 4X4 MODULE 4X4 UBP NETWORK or TRANSFER CASE from the System Selection menu opens a main menu similar to Figure 6 67 NOTE You will need to use the K 16 Personality Key device on UBP Network systems MAIN MENU 4X4 CUSTOM SETUP gt DATA DISPLAY CODES MENU MOVIES Figure 6 67 Sample 4X4 systems main menu 4X4 TRANSFER CASE systems have the following functions available e KOEO Self Test e Gather and clear memory codes e Review and print codes only after codes have be
40. cally every time you exit from the Super Star Il emulation mode 6 9 Testing 4EAT Systems The 4 speed Electronic Automatic Transmission 4EAT is available on some 1989 and later Probe and 1990 and later Escort and Tracer models On the 1990 92 4 cylinder non turbo Probe and the 1993 1 9L Escort the 4EAT is integrated with the MECS All other 1990 and later Probe Tracer and Escort models use a separate test procedure for the 4EAT NOTE The scan tool must be operating in the Super Star II mode as discussed earlier to test the 4EAT control system See 4 Speed Electronic Automatic Transmission 4EAT on page 66 for test connection instructions when testing models that transmit 4EAT data on the engine diagnostic connector The 4EAT system records service codes in memory and transmits codes in more than one test mode Because several different tests are possible refer to Ford procedures for the specific vehicle Available tests include e Wiggle test engine off e Wiggle test engine running e Key on engine off KOEO self test Five 4EAT codes are available e 55 Pulse Generator e 60 1 2 Shift Solenoid SS1 e 61 2 3 Shift Solenoid SS2 e 62 3 4 Shift Solenoid SS3 e 63 Lockup Solenoid SS4 Follow Ford procedures and the instructions below for 4EAT testing To start a 4EAT test in Super Star II Mode 1 Switch the ignition off before starting a 4EAT test Follow the Ford test steps exactly Select
41. cannot be set while running a self test Microprocessor Control Unit MCU and EEC III systems do not have memory codes Some DTCs only set as continuous codes During the KOEO self test EEC IV systems transmit any on demand codes first followed by any continuous codes An EEC IV system does not transmit continuous codes during the KOER self test except on some 1983 Escort models with a 1 6L engine An EEC V system does not generate continuous codes during either the KOEO or KOER self test Instead continuous memory codes are generated by selecting CODES MENU gt MEMORY CODES To assist in diagnosing intermittent faults engine off and engine running wiggle tests are available as functional tests on EEC IV systems These tests place the scan tool and PCM in a standby mode to allow checking for intermittent problems caused by wiggling electrical harnesses If a fault occurs during a wiggle test the PCM records it as a continuous code The KOEO test must be run to read codes set during a wiggle test Earlier EEC IV systems display DTCs as a 2 digit numerical code Many 1991 and later EEC IV vehicles transmit 3 digit service codes An EEC V system displays DTCs in the 5 digit OBD II format Be aware that Ford DTC P1000 sets on an EEC V system any time one of the following conditions is met e DTCs are cleared e Readiness monitors have not successfully completed e The vehicle battery is disconnected Unless required by a mandated inspection an
42. ccur much slower on another vehicle Certain parameters especially switches only change state if held in position The DATA DISPLAY selection requires the scan tool to communicate with the PCM The ignition must be on to establish communication If communication is not established within 5 seconds of the ignition switching on a no communication message displays Figure 6 49 NO COMMUNICATION IS KEY ON IS DLC CONNECTED WAIT 15 SECONDS PRESS N TO CHECK VEHICLE IDENTIFICATION OR SEE REFERENCE MANUAL APPENDIX B Figure 6 49 Sample no communication message This message stays on the screen until communication is established or the N button is pressed Whenever communication is established the display goes to the selected function EEC V Data Display When DATA DISPLAY is selected on an EEC V system the DATA MENU menu displays This allows you to select groups of parameters for viewing Figure 6 50 DATA MENU gt DRIVEABILITY EMISSIONS FUEL OXYGEN SENSORS TRANSMISSION ACCESSORIES Figure 6 50 Sample EEC V data group selection Selecting any of the DATA MENU menu items causes the Custom Data menu to display Figure 6 51 This feature allows you to customize the data list by selecting which data gt parameters to display Eliminating unneeded parameters results in a faster display update rate The fewer parameters displayed the faster the update rate SCROLL amp PRESS Y TO SELECT DESELECT
43. d maintenance program it is not necessary to clear DTC P1000 after a vehicle has been serviced This code automatically clears upon the successful completion of all the readiness monitors The only way to clear a DTC P1000 is through a Drive Cycle Test EEC IV Ignition Key Cycles A basic guideline for Ford testing is to turn the ignition key off wait 10 seconds then turn the key back on before repeating any particular test This is not absolutely required on all vehicles but it is good practice in order to avoid erroneous self test actions by the PCM Instructions on screen tell when it is advisable to turn the key off and back on or to restart the engine before proceeding You may choose whether or not to follow these instructions If test results appear erroneous or incomplete or the PCM does not respond switch the key off wait 10 seconds then restart the test KOEO Self Test The KOEO SELF TEST selection displays on demand codes present with the ignition on and the engine not running These are usually electrical open and short circuits and must be serviced first before any other codes On EEC IV systems the KOEO test displays continuous memory codes of intermittent faults from PCM memory On an EEC V system the 73 74 Testing Engine amp Powertrain Systems continuous memory codes are accessed by selecting MEMORY CODES Memory Codes are serviced last after any on demand codes EEC IIl KOEO Self Tests The KOEO SELF TE
44. dentification and location chart sheet 2 of 2 PATS MAX MIN STARTER ede TEA SYSTEM KEYS KEYS INTERRUPT 1996 97 A 16 1 NO Mustang 1998 B 8 2 NO 1999 2004 C 9 3 NO 1998 A 16 1 YES Mystique V6 only 2 2 98 2000 E 8 2 YES 1998 A 16 1 NO Navigator 1999 2002 C 8 2 NO 2003 04 E 2 YES Ranger 3 0L amp 4 0L only 1999 2000 B 8 2 YES Ranger 2 3L 3 0L amp 4 0L 209170 f YES Sable 1996 97 A 16 1 NO Duratec only 1998 99 B 8 2 YES Sable 2000 04 E 8 2 YES all engines Taurus 1 996 97 A 1 6 1 NO Duratec only 1998 99 B 8 2 YES Noein 2000 04 E 8 2 YES all engines Thunderbird 2002 04 C 8 2 YES 1998 2002 C 8 2 NO Town Car 2003 04 E 2or3 YES Tracer PATS not available Villager PATS not available 1999 2000 C 8 YES Windstar 2001 04 E 8 YES Table 6 2 PATS systems A E sheet 1 of 2 PATS THEFT INDICATOR LAMP SYSTEM MODULE LOCATION IGN RUN START IGN OFF ACCY Flashes every 2 seconds A In a stand alone module onio 2 seconds theri on for Contour Mystique does during normal operation f not flash for other vehicles On for 3 seconds then off flashes every 2 seconds B In a stand alone module f does not flash for during normal operation i Mustangs c In the instrument cluster On for 3 seconds then off Elashesevery 2 seconds within the VIC HEC or ICM during normal operation y Op
45. e the PCM next shuts off fuel to cylinder 4 6 or 8 allows the engine to stabilize records and stores engine speed and switches the fuel back on This step repeats for each remaining cylinder in descending order Once all cylinders have been measured the PCM selects the maximum RPM drop that occurred and multiplies it by a percentage For the first stage of testing 65 is used For example 150 RPM x 65 98 RPM The result 98 RPM in the example is the minimum drop required by each cylinder to pass the test If all cylinders meet the minimum drop a pass code is output and no further testing is required If a cylinder fails a code for the offending cylinder is output A first stage failure indicates the cylinder is firing but is weaker than the other cylinders To conduct a cylinder balance test 1 Press and release the throttle within two minutes after the KOER self test codes are output for a first stage test 2 Quickly press and release the throttle within two minutes after the last code is output Now the test sequence repeats but uses a percentage of 43 instead of 65 For example 150 RPM x 43 65 RPM The minimum drop required by each cylinder to pass the test is now reduced to 65 RPM Again a pass code is output and no further testing is required if all cylinders meet the new minimum drop A code for the offending cylinder is output if a cylinder fails Failure here indicates the cylinder is firing but it is much
46. ehicles with or without traction control After selecting ABS from the System Selection menu the MAIN MENU ABS displays Figure 6 52 Selections vary by model and year MAIN MENU ABS CUSTOM SETUP gt DATA DISPLAY CODES MENU MOVIES Figure 6 52 Sample Ford MAIN MENU ABS 101 Testing ABS Systems This section is divided into the following subsections e 1994 96 Econoline Vans with 4WABS on page 102 e Codes Menu on page 103 e Data Display on page 108 The MOVIES and CUSTOM SETUP options are discussed in detail in the user s manual for your diagnostic tool 6 2 1 1994 96 Econoline Vans with 4WABS The FRD 4 test adapter is used for ABS testing on the 1994 96 Econoline with 4 Wheel Antilock Brakes 4 WABS A special connection message displays if one of these vehicles is identified Figure 6 53 NOTE Some 1997 Econolines also require the FRD 4 test adapter CONNECT FRD 4 ADAPTER TO ABS SELF TEST CONNECTOR LOCATED UNDERHOOD ON LEFT SIDE NEAR MASTER CYLINDER OR LF SIDE OF DASH PRESS Y TO CONTINUE Figure 6 53 1994 96 Econoline connection message P To connect the FRD 4 adapter for these vehicles 1 Turn the ignition switch to the off position 2 Attach the FRD 4 test adapter to the data cable 3 On the underhood ABS connector near the master cylinder insert the red wire of the FRD 4 adapter into pin 571 which is a black wire with an orange tracer Figure 6 54 Figure
47. emory The scan tool retains codes in its memory which can be cleared doing any of the following e Repeat the test which overwrites the previous code e Select a different system for testing e Enter a new vehicle ID Review Codes Return to the service code menu from the KOEO self test or memory code test and REVIEW CODES appears as a selection Figure 6 62 CODES MENU gt KOEO SELF TEST MEMORY CODES CLEAR CODES REVIEW CODES PRINT CODES Figure 6 62 REVIEW CODES available on the menu When this selection is available it indicates recorded codes are in scan tool memory To review codes 1 Select REVIEW CODES A code list similar to the lists displayed at the end of the self tests displays 2 Fix the problems in the order listed Also remember these important points 3 Review all codes until end of list appears 4 The scan tool saves codes from the most recent test for display under review codes On a re test codes from the previous test are replaced with a new list 5 Always record continuous memory codes after any test 6 If MEMORY CODES was selected the scan tool saves the codes in memory but the CLEAR CODES selection must be used to clear the ABS module memory Print Codes A PRINT CODES selection is also available on the CODES MENU following either a KOEO self test or a memory code test All printouts of the code list include the vehicle ID To print the service code list from memory 1 Connect
48. en gathered e View data parameters During the KOEO self test the 4X4 module transmits on demand codes Continuous codes are generated by selecting MEMORY CODES from the CODES MENU Although CODES MENU options access tests specific to 4X4 controlled electronics scan tool operation is the same as for ABS CODES MENU options Refer to Data Display on page 108 for detailed instructions The DATA DISPLAY selection is available on most 1996 and later vehicles It operates like Data Display for Ford engine testing See Data Display on page 108 for detailed information 6 6 Testing Airbag Systems NOTE Information in this section does not cover pre 1996 EEC IV SRS systems These earlier systems flash the DTC on the SRS warning lamp as soon as the code sets The control module does not store codes or provide data Select AIRBAG RCM from the System Selection menu to open the MAIN MENU RCM ECS Figure 6 68 Airbags or the Supplemental Restraint System SRS with a data stream are found on some 1995 and most 1996 and later OBD II Ford models When the control module sets a code it continuously flashes the SRS warning lamp on the instrument panel The control module stores DTCs The stored DTCs and data stream information are available through the OBD II diagnostic link connector DLC MAIN MENU RCM ECS CUSTOM SETUP gt DATA DISPLAY CODES MENU MOVIES Figure 6 68 Sample Ford Airbag testing main menu The SERVICE CODE
49. erates differently if the vehicle is equipped with a perimeter theft system Table 6 2 PATS systems A E sheet 2 of 2 PATS THEFT INDICATOR LAMP MODULE LOCATION SYSTEM IGN RUN START IGN OFF ACCY D In the SCIL module On for 2 seconds then on Flashes every 2 seconds during normal operation E In the PCM On for 3 seconds sen ol Flashes every 2 seconds during normal operation Operates differently if the vehicle is equipped with a perimeter theft system 6 7 3 Important Tips for Testing PATS Systems When replacing keys make sure the vehicle owner throws out all old keys Erasing and reprogramming keys does not fix any known intermittent PATS no start issues Do not reprogram keys if a fault cannot be identified Make sure you have all keys programmed into the PATS module when reprogramming or diagnosing Always verify that there are no aftermarket devices causing interference such as alarms remote starters or other devices using transponders Devices that power up the PCM without powering up the PATS module may cause no start problems Some aftermarket audio equipment can keep the RUN START circuit active for over 5 seconds past ignition off This can prevent PATS from properly reading ignition keys during programming Remove or disable aftermarket equipment if this occurs Some objects can cause interference with the PATS key like foil stickers brass key tags other PATS keys transponde
50. esults Note the following when performing a Cylinder Contribution test Only California vehicles will set a Continuous Misfire DTC Both 49 state and California vehicles will set a KOER Cylinder Contribution Test CCT code for a low or non contributing cylinder If any CCT or Misfire codes are set diagnose those codes first Late model Powerstroke Diesel engines run this test without any obvious cylinder shorting or RPM change Test results are the same Possible causes of a misfiring cylinder are Broken compression rings Leaking or bent valves Bent push rods Bent connecting rods Damaged rocker arms Faulty injector Before starting repairs perform basic engine diagnostic tests If all systems are operating within specifications the injector may not be functioning properly and may need replacement Also be sure to check the solenoids and wiring Verify that the KOEO Injector Electrical Self Test has passed To ensure proper test results the following conditions must be met Engine oil temperature is above 68 F 20 C A C is off P To conduct a cylinder contribution test aie Select CYLINDER CONTRIBUTION TEST A turn off accessories message displays All accessories including the auxiliary power control must be off before beginning the test Press Y The begin test screen displays Figure 6 45 ENGINE MUST BE RUNNING AND AT NORMAL OPERATING TEMP AFTER TESTING CYCLE KEY TO OFF BEFORE DRIVING OR RUNNI
51. ff accessories message displays Make sure all accessories including auxiliary power control are off before beginning the test 2 Press Y The begin test screen displays Figure 6 44 AUTO TRANS IN PARK OR MANUAL TRANS IN NEUTRAL BATTERY VOLTAGE MUST BE 12V TO 14V START ENGINE RAISE RPM IF NECESSARY PRESS Y TO BEGIN TEST Figure 6 44 Sample EEC V diesel glow plug test 3 Press Y The self test initiated message displays which means the scan tool has attempted to start the test It does not mean the vehicle responded If the message remains on screen for more than several minutes the test probably did not start Refer to Ford Communications Problems on page 717 to diagnose the cause of a vehicle self test failure When the PCM finishes the test a service code list automatically displays Cylinder Contribution Test The cylinder contribution test monitors individual cylinders and injectors to determine if all are contributing equally to engine performance The PCM first checks each cylinder sequentially 1 through 8 to make sure they are all contributing The test checks for cylinder to cylinder decrease in speed and sets a code if the 97 98 Testing Engine amp Powertrain Systems decrease is too high A fault must be present at the time of testing for the KOER Cylinder Contribution Self Test to detect a fault so the engine operating condition at which the idle is worst will produce the best test r
52. isplays Figure 6 16 CLEAR CODES KEY MUST BE ON WITH THE ENGINE OFF OR RUNNING PRESS N TO EXIT WITHOUT CLEARING PRESS Y TO CLEAR CODES Figure 6 16 Sample EEC V clear codes confirmation screen 2 Press Y A self test initiated message displays After about 40 to 60 seconds the codes cleared screen should display Figure 6 15 If the codes cleared message does not appear after about 1 minute refer to Ford Communications Problems on page 717 Review Codes The REVIEW CODES selection is available on the CODES MENU after running a self test This selection is available on EEC III MCU EEC IV and EEC V systems To review codes 1 Select REVIEW CODES 2 Repair faults in the order listed Also remember these points 3 Review all codes until end of list appears 4 Select FAST CODES W AUTOMATIC CODE CLEARING for any EEC IV system and the scan tool clears codes from the PCM automatically after a test but saves them in the scan tool memory 5 The scan tool saves the codes from the most recent KOEO or KOER self test for display in review codes If a test is repeated new codes replace previous ones 6 Always record continuous memory codes after any EEC IV test They may be automatically cleared from the PCM and subsequent tests may not display them 7 Ifyou are reading slow codes or fast codes without auto code clear on an EEC IV system the scan tool saves them in memory However the CLEAR CO
53. lace as the gauge block can fall inside the intake valley making it difficult to retrieve 91 92 Testing Engine amp Powertrain Systems NOTE When the FIPL sensor malfunctions the TCM detects an out of limit signal and goes to a backup mode to protect the transmission In this mode the TEC commands maximum throttle valve TV pressure for a single shift schedule regardless of throttle position equivalent to a heavy but not wide open throttle Harsh upshifts particularly noticeable at light throttle result An intermittent or erratic signal or an incorrectly adjusted FIPL sensor may not be detected by the TEC resulting in shifting problems and possible transmission damage P To conduct a FIPL adjust test 1 Select FIPL ADJUST The tool installation screen displays Figure 6 33 INSERT 0 515 GAUGE BLOCK BETWEEN FIPL TRAVEL SCREW AND GAUGE BOSS HOLD THROTTLE OPEN AGAINST GAUGE BLOCK SEE FORD REF MANUAL PRESS Y TO CONTINUE Figure 6 33 Gauge block installation screen 2 Insert the 0 515 inch gauge block between the gauge boss and the maximum throttle travel screw Figure 6 34 Hold the throttle open against the gauge block to keep it in place Figure 6 34 Gauge block installation right side view A Fuel pump lever travel screw do not adjust B Gauge block C Gauge boss D Low idle adjust screw On F series trucks the throttle return spring may be used to hold the throttle lever open To d
54. ly switches from high to low which could mask any faults detected by the Wiggle test e 1984 85 1 6L e 1984 85 2 3L SVO e 1985 86 2 3L turbo e 1986 3 0L P To conduct a wiggle engine running test 1 Select WIGGLE ENGINE RUNNING The test instruction screen displays Figure 6 23 WIGGLE TEST ENGINE RUNNING START ENGINE AND RUN AT IDLE DO NOT ACCELERATE PRESS Y TO CONTINUE OR PRESS Y BEFORE STARTING ENGINE Figure 6 23 Sample engine running wiggle test instruction screen 2 Ifthe engine is running a warning message displays Switch the engine off wait 10 seconds then restart the test Otherwise start and run the engine at idle speed 3 Once the engine is fully warm press Y to enter the test 87 88 gt Testing Engine amp Powertrain Systems The screen momentarily displays a test initiated message Figure 6 24 then switches to the test screen Figure 6 25 TEST INITIATED WAIT IF NO RESPONSE IN 30 SECONDS SEE FORD REFERENCE MANUAL APPENDIX B Figure 6 24 Sample engine running wiggle test initiated screen MOVE WIGGLE AND TAP THE HARNESS SENSORS AND CONNECTORS DO NOT TURN KEY OFF DURING TEST PRESS N TO EXIT Figure 6 25 Sample engine running wiggle test screen 4 Wiggle or tap on sensors actuators and wiring connectors The bottom line of the screen is blank until a fault occurs and a code sets When a code sets the bottom line reads memory code stored
55. n EEC IV system when reading fast codes The time varies depending on the particular application and the number of codes The test takes longer on EEC IV systems with slow codes The self test initiated wait for codes message means that the scan tool attempted to start the test but it does not mean the PCM responded If the message stays on the screen for more than 2 to 3 minutes with no code response the test probably did not start NOTE A rough running engine may produce false KOER DTCs The scan tool displays only on demand codes for faults present during the engine running test Diagnose and repair problems in the order in which codes display Repair any KOEO on demand codes first before diagnosing codes from the KOER self test If codes are not present a System Pass message displays If codes are present they display by number and description Figure 6 7 REVIEW CODES 33 EGR VALVE NOT OPENING 71 IDLE TRACKING SW STUCK OR CKT PROBLEM 95 FUEL PUMP CKT OPEN ECA TO GROUND Figure 6 7 Sample KOER self test review codes screen Other engine systems may require different operator actions during the engine running test Some MCU systems for example require that engine speed be held at a specified RPM during the test The scan tool displays any special instructions when required EEC IIl KOER Self Test The KOER self test is programmed into the PCM codes recorded during the test display afterward The EEC III system
56. nctional Tests NOTE Operations described in this section are not available on all tool platforms EEC IV systems typically offer several functional tests Figure 6 18 An additional Fuel Injection Pump Lever test FIPL ADJUST menu selection appears on trucks that have a 7 3L non Powerstroke Diesel engine with an E4OD automatic transmission SCROLL TO SELECT A TEST gt COMPUTED TIMING CODE SPEED WIGGLE ENGINE OFF OUTPUT STATE CHECK WIGGLE RUNNING IDLE SPEED ADJUST Figure 6 18 Sample EEC IV Functional Tests menu NOTE For EEC IV vehicles the ignition key should be switched off when selecting FUNCTIONAL TESTS from the MAIN MENU PCM EEC IV functional tests are described in the following sections e Computed Timing Test on page 85 e Wiggle Engine Off Test on page 86 e Wiggle Engine Running Test on page 87 e Output State Check on page 88 e Idle Speed Adjustment Test on page 89 e Fuel Injection Pump Lever Test on page 91 Computed Timing Test The COMPUTED TIMING functional test checks ignition timing with the engine running at a controlled idle speed It also verifies the ability of the PCM to advance and retard timing Connect either a timing light or a magnetic timing meter to the engine before testing 85 86 Testing Engine amp Powertrain Systems On most EEC IV engines the PCM advances timing 20 above the base timing setting So if the base timing specification i
57. not switched off This message means the self test output STO circuit to the PCM is energized from a previous test For some vehicles you can ignore this message and press Y to enter the KOER test If uncertain turn the key off wait 10 seconds and test 3 Press Y and self test initiated wait for codes displays You should hear engine speed change with most systems during the test if it progresses normally Also the screen changes and may make certain requests during the self test At the end of the KOER self test a code list displays Reading EEC IV Slow Codes If you choose to read slow codes during the KOER test it takes longer to receive all of the codes LED 1 flashes as the scan tool receives code pulses The LED flickers briefly as the PCM transmits fast codes It then pulses evenly as the scan tool receives the slow codes The PCM transmits on demand codes All of the code digit pulses are one half second on and one half second off A two second pause is used to separate the digits of each code anda four second pause separates the codes from each other The entire test may take several minutes The time it takes to run depends on the length of the code list CAUTION Do not press N to exit a KOER test until the last code pulse is received Wait at least 5 to 10 seconds after the last LED flash before pressing N to exit Pressing N sooner interrupts the code transmission and not all codes are received End of List does
58. o this a Release the throttle and remove the throttle cable from the throttle lever on the right side of the pump b Remove the throttle return spring c Install one end of the spring over the throttle lever ball stud and the other end over the throttle cable support bracket 3 After inserting the gauge block press Y The FIPL adjustment screen displays Figure 6 35 FIPL ADJUSTMENT PRESS Y THEN TURN KEY ON DO NOT START THE ENGINE HOLD THROTTLE DOWN DURING ENTIRE TEST Figure 6 35 Sample FIPL adjustment screen 4 Without starting the engine Hold the throttle down press Y and turn the ignition on A self test initiated screen displays the scan tool starts the KOEO test then waits for a signal from the PCM indicating that the vehicle is ready for FIPL adjustment The display indicates when the FIPL adjust test is complete Figure 6 36 ENGINE OFF TEST COMPLETE READY FOR FIPL ADJUSTMENT WITHOUT RELEASING THE THROTTLE PRESS THE OVERDRIVE CANCEL SWITCH ONCE TO START FIPL ADJUSTMENT Figure 6 36 Sample engine off test complete screen CAUTION Do not turn the key off until the FIPL Adjust test is complete and the engine off test complete message displays on the screen Doing so gives inaccurate test results 5 Press the overdrive cancel switch once to begin the FIPL test Figure 6 37 The overdrive cancel switch is on the end of the shift lever or the instrument panel IF NECESSARY LOOSEN FIP
59. on Systems B and C only The PATS key transceiver or transceiver circuit U1147 cannot cause this code This code should be accompanied by P1260 in the PCM If code P1260 has not been set in the PCM there could be a communication failure due to the PATS module powering up before the PCM There is an SCP problem between the PCM and PATS due to no messages being received from the PCM Possible causes PCM is not powered up there is a wiring issue with the SCP circuits Bus Bus This is only a PATS fault if the theft indicator lamp is flashing U1262 6 8 Super Star Il Emulation Mode 116 In this mode scan tool operations are similar to the Ford Super Star II Tester factory scan tool Use the Super Star Il Test Emulation Mode to read codes on the following systems e Integrated vehicle speed control IVSC e Automatic Ride Control ARC e Air Suspension and Automatic Ride Control ASARC e 4 speed electronic automatic transmission 4EAT The Super Star Il Emulation Mode may also be used to test an EEC IV MCU or MECS engine control systems as well as ABS control systems This test mode may be convenient for technicians familiar with the Ford tester Refer to Ford service procedures for the specific vehicle year model and system and for procedures to test these systems P To enter Super Star Il Emulation mode e Select TESTER MODE SELECTION MENU gt SUPER STAR II EMULATION MODE The Super Star Il operating
60. on switched off select SERVICE CODES gt KOER SELF TEST The test screen displays Figure 6 8 ENGINE RUNNING SELF TEST START ENGINE AND RUN AT 2000 RPM FOR 2 MINUTES OR UNTIL EGO IS WARM PRESS Y WHEN DONE 1 23 Figure 6 8 Sample EEC III KOER self test screen 2 Be sure the ignition has been off for 10 seconds then start and run the engine at 2000 RPM for 2 minutes to reach normal operating temperature and enter closed loop The timer at the lower right of the screen counts time as the engine warms up If the engine is not fully warm the self test may not complete 3 Press Y and an initiation message displays Figure 6 9 INITIATE SELF TEST BY APPLYING 22 HG VACUUM ON THE VENT PORT OF THE BMAP SENSOR FOR 8 SECONDS THEN RELEASE Figure 6 9 Sample EEC III KOER self test initiation screen 4 Apply 22 inHg of vacuum to the vent port of the barometric and manifold absolute pressure BMAP sensor Hold vacuum for about 8 seconds then release it The vacuum release triggers the self test A test initiated wait message displays The EEC III system cycles through the self test and a code list displays at the end of the test a If no codes are present 11 system pass displays b If codes are present they display in numerical order 1983 EEC III Carbureted Truck KOER Self Tests A different method rather than releasing BMAP sensor vacuum is used to trigger a KOER self tests on 1983 trucks with
61. rol switches Press and release either the TCS switch or the clutch pedal Press and release the brake pedal 3 When the PCM finishes the test a code list automatically displays 9295p NOTE False codes may set if the test sequence is followed improperly Allow about 1 second between activation of each switch 6 1 3 Data Display The DATA DISPLAY test selection is available on the MAIN MENU PCM of many 1990 and later Ford vehicles with an EEC IV powertrain control module PCM and DCL and also on most 1994 and later vehicles with an EEC V PCM 99 100 Testing Engine amp Powertrain Systems RPM 800 O2S1 mV __684 O2S1 mV _ 684 SCROLL FOR DATA OK TO DRIVE FOR CODES PERFORM KOEO KOER TESTS TP V 1 00 TP MODE C T Figure 6 47 Sample EEC IV data display RPM 800 DRIVEABILITY DTC Count_ 2 FACTORY PID IS DISPLAYED IN UPPERCASE VEHICLE MAY NOT SUPPORT ALL PIDS TP V 1 00 LOAD C T Figure 6 48 Sample EEC V data display These tests display the input and output signals from switches sensors and actuators The speed at which the scan tool operates and displays data depends on the number of data parameters and how busy the vehicle control system is This affects how quickly data changes on the screen and the length of time it takes to display a movie Differences in scan tool operation may be noticed from vehicle to vehicle The data readings may appear to change almost instantly on some models while they o
62. rs used to purchase gasoline and other metallic objects Reprogramming the PCM does not have any effect on PATS operation Disconnect battery cables when replacing the PATS module If the engine does not crank on vehicles that have PATS providing a ground to the starter relay verify the PATS output to the starter relay If the PCM sets code P1260 see Table 6 3 look for other codes in the PATS module Systems B C and E have an anti scan function If you attempt to start the vehicle with an unprogrammed key the theft indicator lamp will flash rapidly and the vehicle will not start Leave the key in the RUN position for 30 seconds to allow the anti scan feature to time out The vehicle will fail to start during this 30 second time period even if a correctly programmed key is used 6 7 4 PATS Diagnostic Trouble Codes Table 6 3 provides explanations for PATS diagnostic trouble codes DTCs Table 6 3 PATS diagnostic trouble codes DTCs sheet 1 of 2 DTC EXPLANATION B1213 Less than 2 keys are programmed into the PATS module If this is the only code then cycle another key in the ignition If not service other codes first B1232 B2103 Replace the transceiver the antenna is damaged 115 Super Star Il Emulation Mode Table 6 3 PATS diagnostic trouble codes DTCs sheet 2 of 2 DTC EXPLANATION B1342 The PCM has a memory failure or is otherwise defective System E only No PATS key i
63. s 10 BTDC expect to read 30 BTDC with a timing light or meter Refer to Ford service manuals for timing specifications and test procedures To conduct a computed timing test 1 Select COMPUTED TIMING The timing check screen displays Figure 6 19 TIMING CHECK START ENGINE AND CHECK TIMING WITHIN 2 MINUTES TIMING SHOULD BE BASE 20 PRESS N TO EXIT Figure 6 19 Computed timing check screen NOTE A warning message displays Figure 6 20 if the timing check test is selected with the engine running or with the ignition switch on This means the PCM self test output STO circuit is still energized from a previous test On some vehicles this message can be ignored If uncertain turn the key off wait 10 seconds restart the engine then enter the test WARNING SELF TEST OUTPUT IS ENERGIZED IF YOU HAVE RUN ANY SELF TEST TURN KEY OFF WAIT IF NO TEST HAS BEEN RUN PRESS Y TO CONTINUE Figure 6 20 Sample self test output energized warning 2 With the engine warm and running at idle press Y to start the test 3 Check the timing with a timing light or timing meter within 2 minutes Wiggle Engine Off Test Selecting WIGGLE ENGINE OFF puts the EEC IV system into a program that records intermittent service codes that occur as you wiggle or tap on various engine sensors actuators and wiring connectors with the ignition on and the engine off P To conduct a wiggle engine off test 1 Select WI
64. s read by the PATS control module Possible cause there is damage to B1600 the key the PATS transceiver the PATS control module or the circuits between the transceiver and the control module The key has not been programmed into PATS Leave the ignition on for 30 seconds B1601 before programming the key to let anti scan time out then program the key PATS can only partially read the key Possible causes key is not approved for PATS B1602 there is a problem with the transceiver there is a problem with the remote starter there is metal another PATS keys or a gasoline purchase transponder on the key chain The transceiver module signal was not received by PATS Possible causes the B1681 transceiver is not connect or is defective there is a wiring problem between the transceiver and the PATS control module The PCM ID does not match between the PCM and PATS PATS ICM VIC HEC SCIL B2133 Reinitialization is required Possible cause PCM was replaced Systems B and C only B2141 There is a non volatile memory configuration failure no PCM ID is stored in PATS Reinitialization is required Possible cause PCM was replaced Systems B and C only B2431 There is a key program failure due to a defective key or transceiver System E only P1260 The PCM has disabled the vehicle and it will not start Retrieve codes from PATS There is an SCP network problem between the PCM and PATS due to an incorrect PCM calibrati
65. selection is available on trucks with a 7 3L non Powerstroke Diesel engine an E40D transmission and an EEC IV transmission control system The FIPL adjust test allows for FIPL sensor inspection and adjustment Improper adjustment causes harsh upshifts and transmission damage NOTE Use a 0 515 inch gauge block Ford tool T83 78200 AH or equivalent when performing this test See Transmission Troubleshooter Reference F1002 for tool dimensions and usage The FIPL sensor attaches to the diesel injection pump and is operated by the throttle lever Figure 6 32 The FIPL sensor transmits a signal to the transmission electronic control TEC module that varies in proportion to the amount of fuel being delivered by the pump An FIPL sensor operates much like the throttle position sensor on a gasoline engine The TEC uses the FIPL signal to control shifting and torque capacity which results in line pressure changes This is similar to a vacuum modulator or throttle valve linkage operation on a conventional automatic transmission Figure 6 32 Sample diesel fuel injection pump top view A Fuel Injection Pump Lever FIPL sensor B Maximum throttle travel screw do not adjust C Low idle adjust screw Two people are required to perform this test one inside the vehicle to operate the scan tool and hold the throttle down and one to make adjustments inside the engine compartment CAUTION Do not release the throttle with the gauge block in p
66. smissions use a separate MECS transmission control module TCM Test Hold When the cursor is in the Test Hold position the Y button works as the Test Hold button on the Super Star II tester The Test Hold button is the main control on the Super Star II tester 117 118 Super Star Il Emulation Mode To begin a test e Select TEST HOLD to display TEST NOTE Be aware that if Y or hold is pressed during most self test code output transmissions codes are erased from memory Follow Ford test procedures exactly Code Display There are two code display modes live and review In the live mode codes display live as the vehicle transmits them at the right of lines two and three under the heading CODE The first code received displays on line two the second on line three As more codes are received they move upward on the display lines The most recent code displays on line three To review codes 1 Select CODE DISPLAY to display REVIEW 2 Review all codes recorded in memory While reviewing codes the scan tool continues to receive any codes that are transmitted and may add new ones to the list The most recent code is at the bottom of the list followed by an end message Press Y at any time to return to viewing live codes The selection preset is live If the scan tool memory becomes filled with codes the message at the end of the list changes to read full If this occurs press N to exit from the Super Star
67. tinuous codes from the ABS ECM memory On some systems the KOEO test repeats and the scan tool then interrupts the self test input line to clear ABS memory Some early systems require the vehicle to be driven above 25 MPH 40 KPH to clear codes If the CODES CLEARED does not appear after about one minute of completing a test refer to Ford Communications Problems on page 717 to diagnose a vehicle self test failure Note the following when clearing codes e Some systems prioritize DTCs After repairing and clearing a DTC always recheck for additional faults that may be present e Only continuous codes can be cleared Codes that reappear when the KOEO self test is repeated are on demand codes that must be serviced Be aware that certain codes such as those for the wheel speed sensors and the pump motor only set while the vehicle is being driven P To clear the codes 1 Select CLEAR CODES A key on verification screen displays Make sure the ignition is switched on 2 Press Y to continue A self test initiated screen displays Figure 6 60 SELF TEST INITIATED WAIT FOR CODE CLEARINGIF NO RESPONSE IN 60 SECONDS SEE FORDREFERENCE MANU a APPENDIX B Figure 6 60 Sample code clearing in progress screen 3 When the test finishes a codes cleared screen displays Figure 6 61 CODES CLEAREDPRESS N TO Figure 6 61 Sample ABS codes cleared message 105 106 Testing ABS Systems Clearing Scan Tool Code M
68. tion 6 7 2 PATS Applications Table 6 1 provides PATS applications for specific vehicles The five variations of PATS systems currently in use are described in Table 6 2 PATS systems A E on page 114 Table 6 1 PATS system identification and location chart sheet 1 of 2 MODEL YEAR SYSTEM KEYS KEYS INTERRUPT Aviator 2003 04 C 8 2 YES Blackwood 2002 03 C 8 2 NO Continental 1998 2001 C 8 2 NO Contour V6 only ee 2 l a 2 2 98 2000 E 8 2 YES Cougar 1999 2002 E 8 2 YES Crown Victoria eee ja 2003 04 E 8 2or3 YES Econoline PATS not available Escape 2001 04 E 8 2 YES Escort PATS not available Excursion 2000 04 B 8 2 NO 1997 98 A 16 1 NO Expedition 1999 2002 C 8 2 NO 2003 04 E 8 2 YES Explorer 4 door Gia z 3 ie 2002 04 E 8 2 YES 1998 2001 befor Explorer Sport 7 24 00 nen B P di 7 24 00 2003 E 8 2 YES 2001 Explorer Sport Trac before 7 24 00 i Ne 7 24 00 2004 E 8 2 YES F150 2004 E 8 2 YES F150 Classic 1999 2004 C 8 2 NO e 8500 GVW 1999 2000 C 8 2 NO fat 8500 GVW PATS not available F350 PATS not available Focus 2000 04 E 8 2 YES l 1998 02 B 8 2 NO Grand Marquis 2003 04 E 8 2or3 YES is 2000 02 C 8 2 YES 2003 04 E 8 2 YES Mark VIII 1997 98 D 16 2 YES Mountaineer Early 113 114 Testing Anti theft PATS Systems Table 6 1 PATS system i
69. weaker than the other cylinders 3 Press and release the throttle within two minutes after the last code is output to perform the third stage test This repeats the sequence using a percentage of 20 For example 150 RPM x 20 30 RPM The minimum drop required by each cylinder to pass the test is now only 30 RPM If all cylinders meet the new minimum drop a pass code sets A code for the offending cylinder sets if a cylinder fails Failure here indicates an extremely weak or dead cylinder Code Speed Most EEC IV systems transmit both slow codes and fast codes and the scan tool reads either The only difference between the slow and fast codes is the transmission speed from the system PCM Typically fast code transmission is the quickest and most accurate way to perform tests However some vehicles may not reliably transmit fast codes On others signal interference causes invalid service codes Use the CODE SPEED selection on the CODES MENU to choose the desired code reading speed On an EEC IV vehicle the CODE SPEED selection also allows choosing between automatic or manual clearing of continuous codes Code speed selections remain as set until you change it or until the internal battery is disconnected If you choose FAST CODES W AUTOMATIC CODE CLEARING the scan tool clears memory codes from the PCM automatically after reading the fast code transmission cycle during the KOEO test If you choose slow codes you must clear codes manually

Chapter 6 Ford Testing - Snap-on

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