Sunroof / Moonroof: Description and Operation

With the ignition switch in ON (II) (and for 10 minutes after it is switched to OFF [0] and as long as both doors remain closed), the integrated control unit provides voltage to the coil of the power window relay The contacts of the power window relay close, and voltage is applied to the coil of the sunroof relays.

When you move the sunroof switch to the OPEN position, ground is provided to the coil of the sunroof "open" relay The coil contacts then close, providing voltage to the motor, the motor runs, and the roof opens. The motor is grounded through the contacts of the sunroof close relay

When you move the sunroof switch to the CLOSE position, ground is provided to the coil of the sunroof "close" relay The contacts then close, providing voltage to the motor, the motor runs and the roof closes. The ground path for the motor is through the contacts of the sunroof "open" relay.