8007 CDR23

8007 CDR23

Open Circuit In Diagnosis Distribution Line

Diagnostic conditions
- Ignition on
- Start CDR23.

Possible cause of fault
- Diagnosis distribution line: short circuit to ground/B+ or open circuit.
- Optical waveguide damaged.
- Optical waveguide broken.
- Optical waveguide kinked.
- The receiving MOST control module is faulty.
- CDR23 faulty.

NOTE:
- The diagnosis distribution line is connected to the following MOST control modules:
- CDR23 as of model year 2003

- The MOST optical wave guide is connected to the following control modules:
- Amplifier
- CD changer

Affected pin
CDR23, plug C, pin 4

Diagnosis/Troubleshooting

Work Instruction 1 - 3:

Work Instruction 4 - 7: