GM Service Manual Online
For 1990-2009 cars only

Body Control Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Left Rear Window

Miscellaneous Test

The BCM will control the left window up when you select Up. The BCM will control the left window down when you select Down.

Right Rear Window

Miscellaneous Test

The BCM will control the right window up when you select Up. The BCM will control the right window down when you select Down.

Driver Door Module and Passenger Door Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Window Up/Down

Output Control

The DDM or PDM will command the window up and down

Liftgate Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Rear Defog

Special Functions

The LGM enables the rear window defogger. The rear window defogger grid should become warm.