8009 CDR23

8009 CDR23

Optical/electrical open circuit in MOST distribution line

Diagnostic conditions
- Ignition on
- Start CDR23

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:
- CDR23 as of model year 2003
- CD changer
- Amplifier

Diagnosis/troubleshooting