Sunroof Symptom Troubleshooting

Symptom Diagnostic procedure Also check for
Water leaks 1.
2.

3.

4. Check for a clogged drain tube.
Check for a gap between the glass weatherstrip and the roof panel.
Check for a defective or an improperly installed glass weatherstrip or drain channel.
Check for a gap between the drain seal and the roof panel.
Wind noise 1.
Check for excessive clearance between the glass weatherstrip and the roof panel.
Deflector noise 1.

2.
3. Check for a improper clearance between deflector seal and roof panel.
Check for a insufficient deflector extension.
Check for a deformed deflector.
Motor noise 1.
2.
3. Check for a loose motor.
Check for a worn gear or bearing.
Check for a deformed cable assembly.
Glass does not move, but motor turns 1.
2.

3.
4. Check for a defective gear or inner cable.
Check for foreign matter stuck between the guide rail and the slider.
Check for a loose inner cable.
Make sure the cable assembly is attached properly.
Glass does not move and motor does not turn (glass can be moved with sunroof wrench) 1.
2.
3.
4.
5.
6. Check for a blown fuse.
Check for a faulty sunroof switch.
Check the limit switch.
Check for a run down battery.
Check for a defective motor.
Check for a faulty relay.

Symptom	Diagnostic procedure
Water leaks	1. 2. 3. 4.	Check for a clogged drain tube. Check for a gap between the glass weatherstrip and the roof panel. Check for a defective or an improperly installed glass weatherstrip or drain channel. Check for a gap between the drain seal and the roof panel.
Wind noise	1.	Check for excessive clearance between the glass weatherstrip and the roof panel.
Deflector noise	1. 2. 3.	Check for a improper clearance between deflector seal and roof panel. Check for a insufficient deflector extension. Check for a deformed deflector.
Motor noise	1. 2. 3.	Check for a loose motor. Check for a worn gear or bearing. Check for a deformed cable assembly.
Glass does not move, but motor turns	1. 2. 3. 4.	Check for a defective gear or inner cable. Check for foreign matter stuck between the guide rail and the slider. Check for a loose inner cable. Make sure the cable assembly is attached properly.
Glass does not move and motor does not turn (glass can be moved with sunroof wrench)	1. 2. 3. 4. 5. 6.	Check for a blown fuse. Check for a faulty sunroof switch. Check the limit switch. Check for a run down battery. Check for a defective motor. Check for a faulty relay.