8007 PCM2 MMI

8007 PCM2 - MMI

Open Circuit In Diagnosis Distribution Line

Diagnostic conditions
- Ignition on
- PCM2 ON

Possible cause of fault
- Diagnosis distribution line: short circuit to ground/ B+ or open circuit
- Optical waveguide damaged
- Optical waveguide broken
- Optical waveguide broken
- The receiving MOST control module is faulty
- PCM2 faulty.

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

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







Affected pin
PCM2 plug, pin 4

Diagnosis/Troubleshooting

Work Instruction 1:

Work Instruction 2 - 4:

Work Instruction 5 - 7: