GM Service Manual Online
For 1990-2009 cars only
Battery Voltage Signal: The scan tool displays 9.0-16.0 Volts. The state of the battery voltage feed to the door module or door switch selected.

Driver LF Window Switch: The scan tool displays Idle/Up/Down/Express Up/Express Down. The driver window switch state of the DDM, where a switch transition is displayed as Up, Down, Express Up, or Express Down.

Driver LR Window Switch: The scan tool displays Idle/Up/Down/Express Up/Express Down. The passenger window switch state of the DDM, where a switch transition is displayed as Up, Down, Express Up, or Express Down.

Driver RF Window Switch: The scan tool displays Idle/Up/Down/Express Up/Express Down. The passenger window switch state of the DDM, where a switch transition is displayed as Up, Down, Express Up, or Express Down.

Driver RR Window Switch: The scan tool displays Idle/Up/Down/Express Up/Express Down. The passenger window switch state of the DDM, where a switch transition is displayed as Up, Down, Express Up, or Express Down.

Front Window Motor Status: The scan tool displays Off/Up/Down/Reverse/Vent/Open/Short/Close. The current status of the driver power window motor.

Front Window Motor Fault Status: The scan tool displays No Fault/Motor Fault/Hall Fault/Memory Fault/LIN Fault/Anti-Trap Fault/Thermo Active/Not Normalized. The current status of the driver power window motor. If a fault is detected by the DDM the can tool will display which fault has been detected.

Passenger Window Switch: The scan tool displays Idle/Up/Down/Express Up/Express Down. The passenger window switch state of the PDM, where a switch transition is displayed as Up, Down, Express Up, or Express Down.

Rear Window Motor Status: The scan tool displays Off/Up/Down/Reverse/Vent/Open/Short/Close. The current status of the left rear power window motor.

Rear Window Motor Fault Status: The scan tool displays No Fault/Motor Fault/Hall Fault/Memory Fault/LIN Fault/Anti-Trap Fault/Thermo Active/Not Normalized. The current status of the left rear power window motor. If a fault is detected by the DDM the can tool will display which fault has been detected.

Rear Window Switch 12  Ref.: The scan tool displays the current 12 Volt reference available at the DDM.

Window Lockout Switch Indicator Command: The scan tool displays Off/On. The DDM will display the current state of the lockout switch indicator backlighting.

Window Lockout Switch: The scan tool displays Off/On. The DDM will display the current state of the lockout switch.

Window Switch Backlight: The scan tool displays a percent. The scan tool will display the level of backlighting intensity that the window lockout switch indicator is currently at. As the backlighting becomes brighter the percent will increase.