GM Service Manual Online
For 1990-2009 cars only

BCM/Data Display/Doors

LR Window Down Cmd: The scan tool displays On/Off. When the left rear window is commanded down, the scan tool display will change from Off to On.

LR Window Enable Cmd: The scan tool displays On/Off. When the driver switch rear window lockout switch is depressed for the left rear window, the scan tool display will change from Off to On.

LR Window Up Cmd: The scan tool displays On/Off. When the left rear window is commanded up, the scan tool display will change from Off to On.

RR Window Down Cmd: The scan tool displays On/Off. When the right rear window is commanded down, the scan tool display will change from Off to On.

RR Window Enable Cmd: The scan tool displays On/Off. When the driver switch rear window lockout switch is depressed for the right rear window, the scan tool display will change from Off to On.

RR Window Up Cmd: The scan tool displays On/Off. When the right rear window is commanded up, the scan tool display will change from Off to On.

DDM/Special Functions/Door Window Test

Front Window Up/Down: This test will command the front window both up and down.

Rear Window Up/Down: This test will command the rear window both up and down.

PDM/Special Functions/Door Window Test

Front Window Up/Down: This test will command the front window both up and down.

Rear Window Up/Down: This test will command the rear window both up and down.

HVAC Control Module/Data Display/HVAC System Data

Rear Defrost LED: The scan tool displays On/Off. This parameter indicates the commanded state of the rear defrost indicator.

Rear Defrost State: The scan tool displays On/Off. This parameter indicates the commanded state of the rear defrost.

Inputs

Rear Defrost Switch: The scan tool displays Active/Inactive. This parameter indicates the current status of the rear defrost switch.

HVAC Control Module/Output Control/Special Functions

Rear Defog: Commands the rear window defogger ON and OFF.