PSG16 / P0670 01
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Glow Control Unit. Short to B+
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Output short circuit to B+ for more than 0.6 s. |
System reaction to a fault:
| Control module output switched off. |
OK report:
| Fault criteria NOT fulfilled for 0.6 s. |
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
Data link from glow plug control module should switch high/low inversely to activation lead from PSG 16 to glow plug control module.
