GM Service Manual Online
For 1990-2009 cars only
Driver Heated Seat Status - HVAC: The scan tool displays Invalid/Off/High/MED/Low. When the driver heated seat is on, the scan tool displays the driver heated seat temperature status signal from the driver position module to the climate control panel as High, MED, or Low. If the scan tool displays Invalid, the HVAC module has determined that there are 2 switch inputs active at the same time.

Driver Heated Seat Sw. - HVAC: The scan tool displays Active/Inactive. When the driver heated seat switch is pressed, the scan tool momentarily displays the switch input to the climate control panel as Active.

Driver Seat Vent Status - HVAC: The scan tool displays Invalid/Off/High/MED/Low. When the driver vented seat is on, the scan tool displays the driver vented seat status signal from the driver position module to the climate control panel as High, MED, or Low. If the scan tool displays Invalid, the HVAC module has determined that there are 2 switch inputs active at the same time.

Driver Seat Vent Sw. - HVAC: The scan tool displays Active/Inactive. When the driver vented seat switch is pressed, the scan tool momentarily displays the switch input to the climate control panel as Active.

Psgr. Seat Vent Status - HVAC: The scan tool displays Invalid/Off/High/MED/Low. When the passenger vented seat is on, the scan tool displays the passenger vented seat status signal from the driver position module to the climate control panel as High, MED, or Low. If the scan tool displays Invalid, the HVAC module has determined that there are 2 switch inputs active at the same time.

Psgr. Seat Vent Sw. - HVAC: The scan tool displays Active/Inactive. When the passenger vented seat switch is pressed, the scan tool momentarily displays the switch input to the climate control panel as Active.

Passenger Heated Seat Status - HVAC: The scan tool displays Invalid/Off/High/MED/Low. When the passenger heated seat is on, the scan tool displays the passenger heated seat status signal from the driver position module to the climate control panel as High, MED, or Low. If the scan tool displays Invalid, the HVAC module has determined that there are 2 switch inputs active at the same time.

Pass. Heated Seat Sw. - HVAC: The scan tool displays Active/Inactive. When the passenger heated seat switch is pressed, the scan tool momentarily displays the switch input to the climate control panel as Active.