8007 PCM2 MMI

8007 PCM2 MMI

Short Circuit To Ground/B+, Open Circuit In Diagnosis Distribution Line

Diagnostic conditions
- Ignition on
- PCM2 on

Possible cause of fault
- Short circuit to ground/B+, open circuit in diagnosis distribution line
- Optical waveguide damaged
- Optical waveguide broken
- Optical waveguide kinked
- The recipient MOST control module is faulty
- PCM2 faulty

NOTE:
- The diagnosis distribution line is connected to the following MOST control modules:
- PCM2 as of mode; year 2003
- PCM2 gateway
- PCM2 MMI
- PCM2 navigation (optional)

- The diagnosis distribution line and the MOST optical waveguide are connected to the following control modules:
- External amplifier (Harman or BOSE) (optional)
- CD changer (optional)
- Telephone/telematics (optional)







Affected pin
PCM2 plug C, pin -4

Diagnosis/Troubleshooting

Work Instruction 1 - 3:

Work Instruction 4 - 6: