Operation CHARM: Car repair manuals for everyone.

Sunroof / Moonroof: Description and Operation

Outline
Electric sunroof system consists of
- Sunroof switch
- Sunroof motor
- Power window relay
- Smart entrance control unit
Smart entrance control unit controls retained power operation.

Retained Power Operation
When the ignition switch is turned to OFF position from ON or START position, power is supplied for 45 seconds
- to power window relay terminal 2
- from smart entrance control unit terminal 5.
Ground is always supplied
- to power window relay terminal 1
- through body grounds.
When power and ground is supplied, the power window relay continues to be energized, and the electrical sunroof can be operated.
The retained power operation is canceled when the driver or passenger side door is opened.