P1147

P1147

Diagnosis information - DME (DFI)

Oil pressure-regulating valve: power supply

NOTE:
- The oil pressure-regulating valve is supplied with 12 V while the engine is running.
- A short circuit to B+ can therefore be detected only during control unit after-running.

Diagnostic conditions
- Engine running, then:
- Ignition off for more than 1 minute

Possible fault causes
- Short circuit to B+ of the power supply line to the oil pressure-regulating valve
- Oil pressure-regulating valve faulty