CTS V6-3.2L VIN N (2003)
Sunroof / Moonroof Motor: Description and Operation
SUNROOF MOTOR
The power system consists of a 12 volt, permanent magnet, reversible, intermittent duty type DC motor, with an internal over current protection device.
When the motor is not operating both control 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:
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Voltage is supplied to the sunroof motor open control circuit.
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Ground is maintained to the sunroof motor close control 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:
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Voltage is supplied to the sunroof motor close control circuit.
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Ground is maintained to the sunroof motor open control circuit.
The sunroof module is equipped with a timer circuit which stops the operation of the sunroof motor after 8 seconds.
