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

Air Temperature Sensor-Inside


Object Number: 874471  Size: MF
(1)Air Temperature Sensor-Inside
(2)Cellular Telephone Microphone
(3)B Pillar-Left Side
Figure 2:

Air Temperature Sensor-Upper Left/Right


Object Number: 819978  Size: LF
(1)Air Duct
(2)Air Temperature Sensor-Upper Left
(3)Air Temperature Sensor Connector-Upper Left
(4)Air Temperature Sensor Connector-Upper Right
(5)Air Temperature Sensor-Upper Right
Figure 3:

Ambient Air Temperature Sensor-HVAC


Object Number: 828997  Size: MF
(1)Forward Lamp Harness
(2)Radiator Support
(3)Ambient Air Temperature Sensor-HVAC
(4)Ambient Air Temperature Sensor-Mirror
Figure 4:

Ambient Light/Sunload Sensor Assembly


Object Number: 828213  Size: LF
(1)I/P Upper Trim Panel
(2)Ambient Light/Sunload Sensor Assembly
(3)I/P Harness
Figure 5:

A/C Refrigerant Pressure Switch


Object Number: 828801  Size: MF
(1)A/C Condenser
(2)A/C Condenser Hose
(3)A/C Refrigerent Pressure Switch
(4)A/C Compressor
Figure 6:

A/C Low Pressure Switch


Object Number: 828796  Size: LF
(1)A/C Low Pressure Switch
(2)A/C Accumulator
(3)Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
(4)Coolant Level Switch
Figure 7:

A/C Compressor Clutch


Object Number: 828598  Size: MF
(1)A/C Compressor
(2)A/C Compressor Clutch Connector
(3)Positive Battery Cable
Figure 8:

HVAC Control Module


Object Number: 819865  Size: MF
(1)Radio
(2)HVAC Control Module
(3)HVAC Control Module-C1
(4)HVAC Control Module-C2
(5)Radio-C3-Not Used
(6)Radio-C1
(7)Radio-C2
Figure 9:

HVAC-Subsystem Components


Object Number: 827941  Size: LF
(1)HVAC Control Module
(2)HVAC Control Module
(3)HVAC Harness
(4)Air Temperature Actuator-Left
(5)Air Temperature Sensor Connector-Lower Right
(6)Air Temperature Sensor Connector-Lower Left
(7)Mode Actuator
(8)Recirculation Actuator
(9)Blower Motor Control Processor
(10)HVAC Module
(11)Air Temperature Actuator-Right