Operation CHARM: Car repair manuals for everyone.

Sunroof / Moonroof: Description and Operation

Voltage is applied at all times through fuse 31 to both moonroof relay contacts. With the ignition switch in RUN or START voltage is applied through fuse 5 to both moonroof relay coils.



Open Operation

When the moonroof switch is moved to the OPEN position, ground is provided to the coil of the moonroof "open" relay. The contacts then close, providing voltage to the motor. The motor is grounded through the contacts of the moonroof "close" relay.



Close Operation

When the moonroof switch is moved to the CLOSE position, ground is provided to the coil of the moonroof "close" relay. The contacts then close, providing voltage to the motor. The ground path for the motor is through the contacts of the moonroof "open" relay.