Jeep Liberty KJ. Manual — part 135
OVERHEAD CONSOLE - ELECTICAL DIAGNOSTICS
DIAGNOSIS AND TESTING
8M - 2
OVERHEAD CONSOLE - ELECTICAL DIAGNOSTICS
KJ
BUS MESSAGES MISSING
For a complete wiring diagram Refer to Section 8W.
Possible Causes
NO RESPONSE FROM EVIC
INTERMITTENT CONDITION
NO RESPONSE - PCI BUS - PCM
NO RESPONSE - PCI BUS - BCM
ELECTRONIC VEHICLE INFORMATION CENTER
Diagnostic Test
1.
EVIC SELF TEST RESULT
NOTE: The EVIC self test can performed manually or by using the scan tool.
Turn the ignition off.
Perform the EVIC self test.
Depress and hold the RESET and C/T (EVIC) buttons while turning the ignition on.
Does the EVIC display
(
PASSED SELF TEST
(
?
Yes
>> Go To 2
No
>> Go To 4
2.
NO RESPONSE - PCI BUS - PCM
Turn the ignition on.
With the scan tool, select Body Computer, System Tests, then PCM Monitor.
Does the scan tool display
(
PCM Active on the Bus
(
?
Yes
>> Go To 3
No
>> Refer to COMMUNICATION for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
3.
NO RESPONSE - PCI BUS - BCM
Turn the ignition on.
With the scan tool, attempt to I/D or communicate with the BCM.
Was the scan tool able to I/D or communicate with the BCM?
Yes
>> Replace the EVIC in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> Refer to COMMUNICATION for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
KJ
OVERHEAD CONSOLE - ELECTICAL DIAGNOSTICS
8M - 3
4.
NO RESPONSE - PCI BUS - EVIC
Turn the ignition off.
Perform the EVIC self test.
Press and hold the RESET and C/T buttons.
Turn the ignition on.
Does the EVIC display
(
BUS
(
?
Yes
>> Refer to symptom *NO RESPONSE FROM COMPASS in the Communication category.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> The condition is not present at this time. Monitor scan tool parameters while wiggling the related wire
harness. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wir-
ing harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
8M - 4
OVERHEAD CONSOLE - ELECTICAL DIAGNOSTICS
KJ
COMPASS TEST FAILURE
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
Compass inoperative.
Possible Causes
ELECTRONIC VEHICLE INFORMATION CENTER
Diagnostic Test
1.
ELECTRONIC VEHICLE INFORMATION CENTER
Turn the ignition off.
Depress and hold the RESET and C/T buttons while turning the ignition on.
NOTE: This test may also be performed using the scan tool.
Does the EVIC or scan tool display
(
FAIL
(
?
Yes
>> Replace the EVIC in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> Test Complete.
KJ
OVERHEAD CONSOLE - ELECTICAL DIAGNOSTICS
8M - 5
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст