Operation CHARM: Car repair manuals for everyone.

Telephone/Telematics: 9607

9607 - Telephone/telematics

Voltage supply

Diagnostic conditions
- Ignition on
- Engine running
- PCM2 on

NOTE: The fault memory status (present/not present) is always updated when the engine is started.

Possible cause of fault
- Corrosion in plug connections
- Contact resistance
- Vehicle electrical system voltage less than 10.8 V for more than 30 seconds
- Vehicle electrical system voltage greater than 16 V for more than 30 seconds
- Battery faulty
- Generator faulty

Affected pin
Power supply - telephone control module plug A, pin 12
Power supply - telephone control module plug A, pin 13
Ground connection - telephone control module plug A, pin 9

Diagnosis/troubleshooting - Battery voltage too low






Affected pins
PCM2 plug A, pin 4, pin 8






Diagnosis/troubleshooting - Battery voltage too high