Sunroof / Moonroof: Description and Operation

SUNROOF

System Description

OUTLINE

Electric sunroof system consists of
- Sunroof switch
- Sunroof motor assembly
- Front door switches
- BCM (body control module)

BCM supplies power to the sunroof motor and sunroof switch. Sunroof operation depends on sunroof switch condition.

OPERATION

Power supplied at all times
- through 50 A fusible link (letter f , located in the fuse and fusible link box)
- to BCM terminal 70, and
- through BCM terminal 69
- to sunroof motor assembly terminal 11.

With ignition switch in ON or START position, power is supplied
- through 10 A fuse [No. 1, located in the fuse block (J/B)]
- to BCM terminal 38.

Ground is supplied
- to BCM terminal 67
- through grounds F14, M57 and M61.

TILT UP OPERATION
When the tilt switch is operated for tilt up, power is supplied
- to sunroof switch terminal 2
- through sunroof switch terminal 6
- through sunroof motor assembly terminal 1.

Ground is supplied
- to sunroof motor assembly terminal 6
- through grounds F14, M57 and M61. Then, the sunroof will tilt up.

TILT DOWN OPERATION
When the tilt switch is operated for tilt down, power is supplied
- to sunroof switch terminal 2
- through sunroof switch terminal 4
- through sunroof motor assembly terminal 2.

Ground is supplied
- through sunroof motor assembly terminal 6
- through grounds F14, M57 and M61. Then, the sunroof will tilt down.

SLIDE OPEN OPERATION

When the switch is operated for slide open, power is supplied
- to sunroof switch terminal 2
- through sunroof switch terminal 1
- through sunroof motor assembly terminal 10.

Ground is supplied
- to sunroof motor assembly terminal 6
- through grounds F14, M57 and M61. Then, the sunroof will slide open.

SLIDE CLOSE OPERATION

When the switch is operated for slide close, power is supplied
- to sunroof switch terminal 2
- through sunroof switch terminal 3
- through sunroof motor assembly terminal 3.

Ground is supplied
- to sunroof motor assembly terminal 6
- through grounds F14, M57 and M61. Then, the sunroof will slide closed.

RETAINED POWER OPERATION
When the ignition switch is turned to OFF position from ON or START position, power is supplied for 45 seconds.

The retained power operation is canceled when the driver or passenger side door is opened. RAP signal period can be changed by CONSULT-II. Refer to "CONSULT-II Function (BCM)".

ONE TOUCH SLIDE/TILT OPERATION
To fully slide the sunroof open, press and release the sunroof slide switch to the slide open position. To fully tilt the sunroof up, press and release the sunroof tilt switch to the tilt up position.

MEMORY RESET PROCEDURE
If the battery is disconnected or the sunroof motor harness connector is disconnected, the slide switch will become inoperable and the sunroof motor memory must be reset. To reset the sunroof motor memory from any sunroof position, push and hold the sunroof tilt switch in the forward (UP) position until the sunroof is in the fully vented (tilt up) position. The sunroof should now operate normally.

INTERRUPTION DETECTION FUNCTION
The CPU (central processing unit) monitors the sunroof motor operation and the sunroof position (fully-closed or other) by the signals from the sunroof motor.

When sunroof motor detects an interruption during the following sliding close operations, sunroof switch controls the motor for open and the sunroof will operate until it reaches full open position.
- automatic close operation when ignition switch is in the ON position
- automatic close operation during retained power operation.

CAN Communication System Description
Refer to Information Bus.