Programmable Special Module (PSM)

9004-PROGRAMMABLE SPECIAL MODULE (PSM) PROGRAMMED CALIBRATION CHECK SUM ERROR

For a complete wiring diagram Refer to the Wiring Information Electrical Diagrams.

- When Monitored:
Continuously.

- Set Condition:
The Programmable Special Module (PSM) detects a Programmed Calibration Check Sum Error.





PROGRAMMABLE SPECIAL MODULE (PSM)
1. Turn the ignition on.
2. 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