PDM / B2635 02
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Courtesy lighting function defective
Courtesy Light Failure
Fault symptom
Courtesy lighting function defective
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Each time courtesy lights are activated. |
Fault criteria:
| Control module input short circuit to ground. |
System reaction to a fault:
| Control module output deactivated during this driving cycle. When the ignition is in ON position, the output is activated once in order to check if the fault remains. |
Checking the wiring harness
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:
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| Courtesy Lamp Passenger Door |
| (See also description of readings/activations in diagnostic tool) |
