Symptom Related Diagnostic Procedures

Fault diagnosis hints and tips












The sunroof can be operated when the ignition is in position ON (+15) and its electric motor is continuously supplied with +30 via fuse 23.
The electric motor is grounded through pin 6 to grounding point G33.

1 Check that fuses 23 and 27 are intact and supplied with current.
2 Check that current is supplied to motor 182.
3 Check that switch 181 is working.
4 Check that the sensors are giving reasonable values.
5 Check the wiring harness, connectors and ground connections