Sunroof / Moonroof: Testing and Inspection
Electric sunroof does not operateTroubleshooting preparations
^ thermofuse for power window/sunroof is OK
^ interior light removed
^ sunroof motor cover removed
Power window/sunroof control unit, checking
Note: Do first test with control unit connected.
A:
B:
C:
D:
E:
F:
G - Microswitches and wiring harness, replacing
If sunroof switch, sunroof relay and sunroof motor work properly
- replace microswitches and microswitch wiring harness Part No.443 998 003
- drill out microswitch mounting rivets with 3 mm drill
- remove wires from solder joints a, b, C on sunroof motor
CAUTION!
When installing white microswitch
- use two M2 x 16 mm bolts
When installing blue microswitch
- use two M2 x 12 mm bolts
- install microswitches
- solder wires a, ab, c, to motor in order
- fasten wires with tie wrap to keep them away from drive gear