Loop-Back Failure

LOOP-BACK FAILURE

For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
During power-up each ignition cycle.

- Set Condition:
The OHC fails the module internal communication self test.





Diagnostic Test

1. OVERHEAD CONSOLE
With the scan tool, erase DTC.
Turn the ignition off, wait 10 seconds.
Turn the ignition on.
Does this DTC reset?

Yes

- Replace the Overhead Console.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Test Complete.