GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2006 🢒 CTS 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 HVAC Component Views
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