Sunroof Control System: Inspection

Symptoms	Inspection steps
Water leakage	Check roof panel and glass lid for improper or poor sealing. Check drain tube for clogging. Check sunroof frame seal and body for improper fit.
Booming noise, wind noise and other noise	Check glass lid and roof panel for improper clearance. Check sunshade and roof trim for improper clearance.
Abnormal motor noise	Check installing part of motor for looseness. Check gears and bearings for wear. Check cable for wear. Check cable pipe for deformities.
Failure of sunroof (Motor operates properly.)	Check guide rail for foreign particles. Check guide rail for improper installation. Check parts for mutual interference. Check cable slider for improper clinching. Check cable for improper installation.
Motor does not rotate or rotate improperly.	Check fuse for blown out. Check switch for improper function. Check motor for incorrect terminal voltage. Check the relay for improper operation. Check harness for open or short and terminals for poor connections.
Failure turn of glass lid	Check guide rail for foreign particles.

Failure turn of glass lid while driving rough road.
Glass lid has auto-reverse function. When specified or more force is applied to the glass lid, the lid turns back and stops. When operating the glass lid (open or close) while driving the rough road, the lid judges vibration as a force and may causes failure turns. When the failure turn is occurred, need to perform the initialize operation with following procedure.