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.
Test Begins:
A:
B:
C:
D:
E:
F - 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
^ install microswitches
^ solder wires a, b, c, to motor in order
^ fasten wires with tie wrap to keep them away from drive gear
CAUTION!
When installing white microswitch
^ use two M2 x 16 mm bolts
When installing blue microswitch
^ use two M2 x 12 mm bolts