Sunroof / Moonroof: Description and Operation

System Description

OUTLINE
Electric sunroof system consists of
- Sunroof switch
- Sunroof motor assembly
- BCM (Body Control Module)

BCM control the operation of sunroof motor.
Power is supplied to sunroof motor assembly from BCM.
Sunroof will be operated depending on sunroof switch condition.

OPERATION
- The sunroof can be tilted up or down with the sunroof switch.
- The sunroof can be opened or closed automatically with the sunroof switch.

DELAYED POWER OPERATION

When the ignition switch is turned to OFF position from ON or START position, power is supplied for approximately 45 seconds
- to sunroof motor assembly terminal 6
- from BCM terminal 135.

Then the electrical sunroof can be operated.
The retained power operation is canceled when the driver or passenger side door is opened.

ANTI - PINCH SYSTEM
The CPU of sunroof motor monitors the sunroof motor operation and the sunroof position (full closed or other) by the signals from sunroof motor.

When sunroof motor detects interruption during the following close operation, sunroof switch controls the motor for open and the sunroof will operate about 150 mm (5.91 in).

The operation condition is the following.
- automatic close operation when ignition switch is in the "ON" position
- automatic close operation during retained power operation