Subaru 2009 IMPREZA Service Manual page 3161

SUNROOF/T-TOP/CONVERTIBLE TOP (SUNROOF)
2. Sunroof Control System
A: WIRING DIAGRAM
Refer to "Sunroof Control System" in WI section. <Ref. to WI-153, WIRING DIAGRAM, Sunroof Control Sys-
tem.>
B: INSPECTION
Symptom
Water leakage
Booming noise, wind noise and other noise
Abnormal motor noise
Failure of sunroof
(Motor operates properly.)
Motor does not rotate or rotate improperly.
Failure turn of glass lid
• 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 op-
eration with following procedure.
1. INITIALIZE OPERATION
1) Tilt up the glass lid.
2) Release the switch once, and press the tilt up switch again for 15 seconds.
3) When the glass lid is raised a little and returned to tilt up position, release the switch for the moment. (Ini-
tialization of position detecting function)
4) Keep pressing the tilt up switch within 5 seconds from releasing the switch. The glass lid will tilt down
slides open slides close automatically. (When more than 5 seconds pass, the position detecting function
is cancelled.)
5) Initialize operation is completed.
C: NOTE
For procedure of each component in the sunroof control system, refer to the respective section.
• Glass lid <Ref. to SR-5, Glass Lid.>
• Sunroof assembly <Ref. to SR-6, Sunroof Assembly.>
• Sunroof motor <Ref. to SR-7, Sunroof Motor.>
• Sunroof switch <Ref. to SR-8, Sunroof Switch.>
• Sunshade <Ref. to SR-9, Sunshade.>
Sunroof Control System
1. Check roof panel and glass lid for improper or poor sealing.
2. Check drain tube for clogging.
3. Check sunroof frame seal and body for improper fit.
1. Check glass lid and roof panel for improper clearance.
2. Check sunshade and roof trim for improper clearance.
1. Check installing part of motor for looseness.
2. Check gears and bearings for wear.
3. Check cable for wear.
4. Check cable pipe for deformities.
1. Check guide rail for foreign particles.
2. Check guide rail for improper installation.
3. Check parts for mutual interference.
4. Check cable slider for improper clinching.
5. Check cable for improper installation.
1. Check fuse for blown out.
2. Check switch for improper function.
3. Check motor for incorrect terminal voltage.
4. Check the relay for improper operation.
5. Check poor grounding system.
6. Check harness for open or short and terminals for poor connections.
Check guide rail for foreign particles.
SR-4
Inspection order