TROUBLESHOOTING [ENGINE CONTROL FS]
DTC
P1621
Code word does not match after engine cranking
DESCRIPTION
• Code word stored in PCM and Immobilizer unit does not match.
[Possible Cause]
• Transformation of code word stored in immobilizer unit.
• Transformation of code word stored in PCM.
STEP
INSPECTION
ACTION
1
CHECK DTC PRESENT
• RESET PCM to completely clear DTCs.
tr
After Repair Procedure
• RERUN OBD test.
• Is same DTC present after cranking?
Yes
Go to next step.
No
Different DTC displayed:
Go to appropriate DTC inspection.
No DTC displayed:
Troubleshooting is completed.
2
CHECK DTC P1602 PRESENT
• Does P1602 present?
Yes
Go to DTC P1603 inspection.
No
Replace IU and reprogram immobilizer system.
p r 09-1 4 IMMOBILIZER SYSTEM REPROGRAMMING
PROCEDURE, Immobilizer Replacement
Go to next step.
3
CHECK DTC REPRESENT
• Does engine start after replacing IU and
clearing DTC?
Yes
Troubleshooting is completed.
No
Replace PCM and reprogram immobilizer system.
tr
0 9 -1 4 IMMOBILIZER SYSTEM REPROGRAMMING
PROCEDURE, PCM Replacement
DTC
P1622
Key ID number does not match
DESCRIPTION
• ID number stored in immobilizer unit (IU) and PCM does not match. This DTC is indicated
only after immobilizer unit is replaced and reprogramming system.
[Possible Cause]
• Unregistered key is used in step 3 of immobilizer system
• Transformation of key ID number stored in PCM.
reprogram procedure (IU replacement).
STEP
INSPECTION
ACTION
1
CHECK DTC PRESENT
• RESET PCM to completely clear DTCs.
tr
After Repair Procedure
• RERUN OBD test.
• Is same DTC present after cranking?
Yes
Go to next step.
No
Different DTC displayed:
Go to appropriate DTC inspection.
No DTC displayed:
Troubleshooting is completed.
2
CHECK ENGINE IS STARTING NORMALLY
USING ANOTHER REGISTERED KEY
• Does engine start with another
registered key?
Yes
Previous key is defective. Discard it.
No
Replace PCM and reprogram immobilizer system.
tr
0 9 -1 4
IMMOBILIZER SYSTEM REPROGRAMMING
PROCEDURE, PCM Replacement
Note
•
Do not use PCM on other vehicle for testing. Diagnostic trouble code No. P1622 will be displayed again.
DTC
P1623
Code word or key ID number write/ read error in PCM
DESCRIPTION
• PCM internal EEPROM damaged
[Possible Cause]
• PCM internal EEPROM damaged
STEP
INSPECTION
ACTION
1
CHECK DTC PRESENT
• RESET PCM to completely clear DTCs.
tr
After Repair Procedure
• RERUN OBD test.
• Is same DTC present after cranking?
Yes
Replace PCM and reprogram immobilizer system.
tr
0 9 -1 4
IMMOBILIZER SYSTEM REPROGRAMMING
PROCEDURE, PCM Replacement
No
Different DTC displayed:
Go to appropriate DTC inspection.
No DTC displayed:
Troubleshooting is completed.
0 1 -0 1 A -1 16
Содержание MX-6 1998
Страница 1: ......
Страница 501: ...STARTING SYSTEM 3 If not as specified replace the starter interlock switch 01 19 3...
Страница 803: ...MANUAL TRANSAXLE W 6 U 5 1 5 W A C 05 15 7...
Страница 934: ...CONTROL SYSTEM CONTROL SYSTEM STRUCTURAL VIEW W6U740WA0 07 40 2...
Страница 983: ...SERVICE TOOLS 08 60 SERVICE TOOLS 08 RESTRAINTS S S T 08 60 1 08 RESTRAINTS SST 08 60 1...
Страница 1005: ...TROUBLESHOOTING POWER DOOR LOCK SYSTEM From previous page Go to next page W 6 U 9 0 1 W H 3 09 01E 7...
Страница 1168: ...SEATS 4A 4 If not as specified replace the power seat switch 2A 2B t 4B 3A 1C 1A 1F W6U913WA9 09 13 7...