PSG16 / P0620 04
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Charging lamp malfunction.
Generator L Terminal Circuit, Open
Fault symptom
Charging lamp malfunction.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Break in lead between control module pin M27 and generator pin 1 (D1) for more than 6 s. |
System reaction to a fault:
OK report:
| Fault criteria NOT fulfilled. |
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
Control module reports that the generator is charging but the engine is not running.
