Communications

9501-PROGRAMMABLE SPECIAL MODULE (PSM) INTERNAL INCORRECT CHECK SUM

For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:

Continuously.

- Set Condition:

The Programmable Special Module (PSM) detects a internal incorrect Check Sum.






Diagnostic Test

1. PROGRAMMABLE SPECIAL MODULE (PSM)

Turn the ignition on.

Perform automatic check of checksum.

Is the checksum OK?

Yes

- Test Complete.

No

- Replace the Programmable Special Module (PSM).
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests