GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Door Module (DDM)
Table 2: Passenger Door Module (PDM)

Driver Door Module (DDM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Mirror Up/Down

Mirror Test

When Up is selected, the driver door module (DDM) powers the driver mirror in the Up direction for approximately 5 seconds. When Down is selected, the DDM powers the driver mirror in the Down direction for approximately 5 seconds.

Mirror Left/Right

Mirror Test

When Left is selected, the DDM powers the driver mirror in the Left direction for approximately 5 seconds. When Right is selected, the DDM powers the driver mirror in the Right direction for approximately 5 seconds.

Mirror Fold

Mirror Test

When In is selected, the DDM powers the driver mirror to fold to the In position. When Out is selected, the DDM powers the driver mirror to fold to the Out position.

Mirror Heat

Mirror Test

When On is selected, the DDM turns On the driver mirror heating element for approximately 5 seconds.

Switch Dimming Feed

Miscellaneous Test

When On is selected, the DDM dims the backlighting on the switches on the drivers door.

Passenger Door Module (PDM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Mirror Up/Down

Mirror Test

When Up is selected, the passenger door module (PDM) powers the passenger mirror in the Up direction for approximately 5 seconds. When Down is selected, the PDM powers the passenger mirror in the Down direction for approximately 5 seconds.

Mirror Left/Right

Mirror Test

When Left is selected, the PDM powers the passenger mirror in the Left direction for approximately 5 seconds. When Right is selected, the PDM powers the passenger mirror in the Right direction for approximately 5 seconds.

Mirror Fold

Mirror Test

When In is selected, the PDM powers the passenger mirror to fold to the In position. When Out is selected, the PDM powers the passenger mirror to fold to the Out position.

Mirror Heat

Mirror Test

When On is selected, the PDM turns On the passenger mirror heating element for approximately 5 seconds.

Mirror Curb View

Mirror Test

When On is selected, the PDM powers the passenger mirror to the Curb View position.

Switch Dimming Feed

Miscellaneous Test

When On is selected, the PDM dims the backlighting in the switches on the passengers door.