P0643

P0643

Diagnosis information - DME V8 DFI

Sensor voltage 1

NOTE:
A fault is detected when:
- voltage drops below 4.7 V (P0642)
or
- voltage exceeds 5.3 V (P0643)

Diagnostic conditions
- Ignition on > 10 seconds

Possible fault causes
- Short circuit to B+ or ground in lines
- Pedal sensor faulty
- Throttle valve adjusting unit faulty

Affected contacts on the DME control unit connector:
- Connector [A]:
- Contact 53
- Connector [B]:
- Contact 62