GM Service Manual Online
For 1990-2009 cars only
Figure 1:

HVAC Module, Power, Ground, Serial Data, Inputs and Outputs


Object Number: 2011688  Size: FS
Master Electrical Component List
Heating and Air Conditioning System Description and Operation
Control Module References
ABS Motor, ABS Valves, HVAC Blower, HVAC Batt and TCM Fuses
ABS Motor, ABS Valves, HVAC Blower, HVAC Batt and TCM Fuses
HVAC Actuators
G202
G102 and G310
Figure 2:

HVAC Actuators


Object Number: 1958857  Size: FS
Master Electrical Component List
Heating and Air Conditioning System Description and Operation
Control Module References
HVAC Module, Power, Ground, Serial Data, Inputs and Outputs
Figure 3:

HVAC Module, Power, Ground, Serial Data, Inputs and Outputs


Object Number: 2011691  Size: FS
Master Electrical Component List
Automatic HVAC Description and Operation
Control Module References
HVAC Actuators
ABS Motor, ABS Valves, HVAC Blower, HVAC Batt and TCM Fuses
ABS Motor, ABS Valves, HVAC Blower, HVAC Batt and TCM Fuses
Headlamps and Turn Signal Multifuction Switcher and Ambient Light Sensors
G202
G102 and G310
Figure 4:

HVAC Actuators


Object Number: 2011689  Size: FS
Master Electrical Component List
Automatic HVAC Description and Operation
Control Module References
HVAC Actuators and Evap Sensor
HVAC Module, Power, Ground, Serial Data, Inputs and Outputs
Figure 5:

HVAC Actuators and Evap Sensor


Object Number: 2011690  Size: FS
Master Electrical Component List
Automatic HVAC Description and Operation
Transmission Component and System Description
Control Module References
HVAC Actuators