Operation CHARM: Car repair manuals for everyone.

PCM2/CDR23 (Navigation)



8001 - Navigation

Voltage supply

Diagnostic conditions
- Ignition on
- Engine running
- PCM2 switched on

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

Possible cause of fault
- Battery voltage too low 'less than 9 V for greater than 30 seconds'
- Battery voltage too high 'greater than 16 V for greater than 30 seconds'
- Check fuses
- Check battery
- Check regulator of generator
- Check the generator

Affected pins
Radio plug A, pin 4, pin 8







Diagnosis/troubleshooting