PCM2/CDR23 - MMI

8009 PCM2 - MMI

MOST fault optical/electrical

Diagnostic conditions
- Ignition ON.
- PCM2 on.

Possible cause of fault
- An optical (optical waveguide) or electrical (PCM2) open circuit in the ring
- MOST switch in production mode
- An optically/electrically faulty MOST control module is connected to the MOST

NOTE:
- The MOST optical waveguide is connected to the following control modules:
- Amplifier
- CD changer
- Telephone/telematics







Affected pin
- none

Diagnosis/troubleshooting

Work Instruction 1 - 3:

Work Instruction 4 - 5:

Work Instruction 6 - 9: