Operation CHARM: Car repair manuals for everyone.

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To close the power sunroof, turn the ignition ON, engine OFF. From any sunroof glass position, press and hold the front half of the sunroof switch, labeled CLOSE. This will apply the sunroof switch low reference to the sunroof close signal circuit 5 volt reference input, pulling the reference voltage to 0 volts.

The sunroof switch close signal input to the sunroof module needs to have constant 0 volts applied, switch pressed, to allow the sunroof motor to continue to drive the sunroof glass past the vent position until it reaches the closed position. The sunroof glass will soft stop at the closed position based on the inputs from the limit switches. To close the sunshade, this will have to be manually slid closed.