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

A/C Refrigerant Pressure Sensor


Object Number: 1779820  Size: SF
(1)A/C Refrigerant Pressure Sensor Connector
(2)A/C Refrigerant Pressure Sensor
Figure 2:

Ambient Air Temperature Sensor, Sunload Sensor and HVAC Control Module


Object Number: 1373986  Size: LF
(1)Ambient Air Temperature Sensor Connector
(2)Ambient Air Temperature Sensor
(3)Instrument Panel Cluster (IPC) (LHD shown, RHD similar)
(4)Radio
(5)HVAC Control Module
(6)Sunload Sensor Connector
(7)Speaker - Front Center (U57)
(8)Radio
(9)Sunload Sensor
(10)Trim Panel - I/P Center
Figure 3:

HVAC Module Components


Object Number: 1373985  Size: LF
(1)Evaporator Temperature Sensor Connector
(2)Evaporator Temperature Sensor
(3)Evaporator Core
(4)C321
(5)Recirculation Actuator
(6)C323
(7)Blower Motor
(8)Blower Motor Control Processor
(9)Air Temperature Actuator - Passenger
(10)Air Temperature Sensor - Inside
(11)Mode Actuator
(12)Air Temperature Actuator - Driver
Figure 4:

Instrument Panel Overview


Object Number: 1779830  Size: MF
(1)Air Outlets
(2)Turn Signal/Multifunction Lever
(3)Reconfigurable Steering Wheel Controls (CTS) or Message Center Controls (CTS-V)
(4)Instrument Panel Cluster
(5)Windshield Wiper Lever
(6)Hazard Warning Flasher Button
(7)Audio (Base Audio System) or Audio/Navigation System (If Equipped)
(8)Glove Box
(9)Climate Control System
(10)Accessory Power Outlet or Cigarette Lighter
(11)Transmission Shift Lever
(12)Storage Compartment or Ashtray
(13)Air Temp Sensor Inside
(14)Audio Volume Knob and Source Button (CTS Only)
(15)Voice Recognition Button
Figure 5:

LF of the Engine - 2.8L/3.6L (LP1/LY7)


Object Number: 1403021  Size: LF
(1)A/C Compressor Clutch Connector
(2)A/C Compressor
(3)A/C Compressor Clutch
Figure 6:

RF of the Engine - 6.0L (LS2)


Object Number: 1403027  Size: LF
(1)A/C Compressor Clutch
(2)A/C Compressor Clutch Connector
(3)A/C Compressor