Sunroof Motor

The sunroof has a bi-directional motor. When the motor is not operating both circuits are grounded. When the motor drives the sunroof glass in the direction from the vent position to the closed position then to the open position, the following occurs:
^ Voltage is supplied to the sunroof motor open circuit.
^ Ground is maintained to the sunroof motor close circuit.

When the motor drives the sunroof in the direction from the open position to the closed position then to the vent position, the following occurs:
^ Voltage is supplied to the sunroof motor close circuit.
^ Ground is maintained to the sunroof motor open circuit.

The sunroof actuator is equipped with a timer circuit which stops the operation of the sunroof motor after 8 seconds.