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 wave guide is connected to the following control modules:
- Amplifier
- CD changer
- Telephone/telematics







Diagnosis/troubleshooting

Part 1:

Part 2: