EDC16 / P0651 05
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Idling speed set to 1400 rpm.
Performance loss.
Cruise control not working.
Voltage Supply Group 2, Open/Short to B+
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Idling speed set to 1400 rpm.
Performance loss.
Cruise control not working.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Control module output short-circuit to B+/open-circuit. |
System reaction to a fault:
| Cruise control switched off. |
| Idling speed set to 1400 rpm. |
Checking the wiring harness
| • | Faults in the control module female connector can be the cause of the DTC. Check the connector with respect to oxidation, depressed pins and pin clamping force. |
| • | Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force. |
Diagnostic help
Diagnosis regards:
| • | Fuel pressure sensor, fuel rail. |
| • | Accelerator pedal position sensor |
