P0687

P0687

Diagnosis information - Control unit DME (DFI)

Main relay ON

Diagnostic conditions
- Vehicle voltage > 8.0 V
- Ignition on

Possible fault causes
- Main relay Faulty
- Open circuit Power supply Control circuit Main relay
- Short circuit to ground or open circuit in lines between Main relay and Control unit DME (DFI) (Power supply Control unit DME (DFI))
- Short circuit to B+ or open circuit in lines between Control unit DME (DFI) and Main relay (Activation Main relay relay)

Fault setting condition(s)
- Power supply Control unit DME (DFI) < 6.0 V to connector [A] contact 3/5/6, at:
- Power supply Control unit DME (DFI) > 8.0 V to connector [A] contact 34 (Terminal 15)