PSG16 / P0670 02
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 Ground.
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 ground for more than 0.6 s. |
System reaction to a fault:
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.
