PCM2/CDR23

8007 CDR23

Ring break diagnosis line

Diagnostic conditions
- Ignition on
- CDR23 ON

Possible cause of fault
Ring break diagnosis line: short circuit to ground/B+ or open circuit

Fuse faulty.

The recipient MOST control module is faulty

CDR23 faulty

NOTE:
- The diagnosis ring line is connected to the following MOST control modules:
- CDR23
- Optional external amplifier (BOSE)
- CD changer

Affected pin
CDR23, plug C, pin 4

Diagnosis/troubleshooting

Part 1:

Part 2: