GM Service Manual Online
For 1990-2009 cars only

HVAC Component Views LHD

Figure 1:

Front Engine Compartment (LY7)


Object Number: 1843344  Size: LF
(1)Cooling Fan - Right
(2)Coolant Surge Tank
(3)Coolant Fan Connector - Left
(4)A/C Refrigerant Pressure Sensor (LY7)
(5)Cooling Fan - Left
Figure 2:

Front of the Engine Compartment (LH2)


Object Number: 1843357  Size: LF
(1)Cooling Fan - Left
(2)Cooling Fan - Right
(3)Coolant Surge Tank (RHD)
(4)A/C Refrigerant Pressure Sensor
(5)Coolant Surge Tank (LHD)
Figure 3:

Front of Vehicle


Object Number: 1276471  Size: LF
(1)Radiator
(2)Radiator Surge Tank
(3)After Boil Coolant Pump (V92)
(4)A/C Compressor Clutch
(5)Engine Control Module (ECM) (LH2)
(6)A/C Refrigerant Pressure Sensor
(7)Ambient Air Temperature Sensor
(8)Hood Latch
(9)Cooling Fan - Left (LH2)
(10)Cooling Fan - Right (LH2)
Figure 4:

Air Quality Sensor (AQS)


Object Number: 1857090  Size: LF
(1)Hood Latch Assembly
(2)Air Quality Sensor (AQS) - (K14)
(3)Ambient Air Temperature Sensor
Figure 5:

Instrument Panel and Floor Console Components


Object Number: 1828119  Size: LF
(1)Driver Information Center (DIC) Switch
(2)Dimmer Switch
(3)Turn Signal/Multifunction Switch
(4)Inflatable Restraint Steering Wheel Module
(5)Instrument Panel Cluster (IPC)
(6)Windshield Wiper/Washer Switch
(7)Sunload/Ambient Light Sensor
(8)Speaker - Instrument Panel (UQS)
(9)Analog Clock
(10)Radio/CD/DVD/Navigation Unit (UV2)
(11)Inflatable Restraint I/P Module
(12)HVAC Control Module
(13)Rear Window Defogger Switch
(14)Courtesy Lamp - Right Footwell
(15)Hazard Switch
(16)Tow/Haul Switch
(17)Cigar Lighter
(18)Rear Video Display (U42)
(19)DVD Player (U42)
(20)Speaker - Center Console (UQS)
(21)Auxiliary Power Outlet - Center Console 2 (UQS)
(22)Auxiliary Power Outlet - Center Console 1
(23)Floor Console
(24)Inflatable Restraint I/P Module Indicator (AQS)
(25)Traction Control Switch
(26)Inside Air Temperature Sensor
(27)Steering Wheel Controls - Right
(28)Courtesy Lamp - Left Footwell
(29)Steering Wheel Controls - Left
Figure 6:

Evaporator Temperature Sensor


Object Number: 1377039  Size: LF
(1)Evaporator Temperature Sensor
(2)Evaporator Core
(3)Mode Actuator
(4)Evaporator Temperature Sensor Connector
Figure 7:

HVAC Module Components


Object Number: 1843375  Size: LF
(1)C321
(2)Recirculation Actuator
(3)Blower Motor
(4)Blower Motor Control Module
(5)Air Temperature Actuator - Right
(6)Mode Actuator
(7)Air Temperature Actuator - Left
(8)Inside Air Temperature Sensor
Figure 8:

Headliner


Object Number: 1374461  Size: LF
(1)Blower Motor Switch - Front Auxiliary (C57)
(2)Blower Motor Switch - Rear Auxiliary (C57)
(3)Courtesy/Reading Lamp - Rear
(4)Rear Parking Assist (RPA) Display
(5)Courtesy/Reading Lamp - Center
(6)Courtesy/Reading Lamp - Front
Figure 9:

Headliner Components


Object Number: 1828173  Size: LF
(1)Rear Parking Assist (RPA) Display
(2)Courtesy/Reading Lamp - Rear
(3)Courtesy/Reading Lamps - Center
(4)Blower Motor Switch - Auxiliary (C57)
(5)Vanity Mirror Lamp - Right
(6)Front Sunshade Switch (CF5/C3B)
(7)Sunroof Open/Close Switch (CF5/C3B)
(8)Rear Sunshade Open/Close Switch (C3B)
(9)Courtesy Lamp - Right Center
(10)Courtesy Lamp - Left Center
(11)Noise Compensation Microphone (UQS)
(12)Rear Wiper/Washer Switch
(13)Blower Motor Switch - Rear Auxiliary (C57)
(14)Vanity Mirror Lamp - Left
Figure 10:

Left Rear Cargo Area


Object Number: 1843332  Size: LF
(1)Blower Motor Resistor Assembly - Auxiliary (C57)
(2)Blower Motor - Auxiliary (C57)

HVAC Component Views RHD

Figure 1:

Behind Front Fascia Grill


Object Number: 1855192  Size: LF
(1)Front Fascia
(2)Ambient Air Temperature Sensor
Figure 2:

Air Quality Sensor (AQS)


Object Number: 1857090  Size: LF
(1)Hood Latch Assembly
(2)Air Quality Sensor (AQS) - (K14)
(3)Ambient Air Temperature Sensor
Figure 3:

Front Engine Compartment (LY7)


Object Number: 1843344  Size: LF
(1)Cooling Fan - Right
(2)Coolant Surge Tank
(3)Coolant Fan Connector - Left
(4)A/C Refrigerant Pressure Sensor (LY7)
(5)Cooling Fan - Left
Figure 4:

Front of the Engine Compartment (LH2)


Object Number: 1843357  Size: LF
(1)Cooling Fan - Left
(2)Cooling Fan - Right
(3)Coolant Surge Tank (RHD)
(4)A/C Refrigerant Pressure Sensor
(5)Coolant Surge Tank (LHD)
Figure 5:

Instrument Panel and Floor Console Components


Object Number: 1860841  Size: LF
(1)Inflatable Restraint I/P Module
(2)Analog Clock
(3)Sunload/Ambient Light Sensor
(4)Speaker - Front Midrange (UQS)
(5)Turn Signal/Multifunction Switch
(6)Instrument Panel Cluster (IPC)
(7)Inflatable Restraint Steering Wheel Module
(8)Windshield Wiper/Washer Switch
(9)Dimmer Switch
(10)Driver Information Center (DIC) Switch
(11)Data Link Connector (DLC)
(12)Courtesy Lamp - Right Footwell
(13)HVAC Control Module
(14)Inside Air Temperature Sensor
(15)Traction Control Switch
(16)Cigar Lighter
(17)Inflatable Restraint I/P Module Indicator
(18)Auxiliary Power Outlet - Center Console 1
(19)Auxiliary Power Outlet - Center Console 2 (UQS)
(20)Speaker - Center Console (UQS)
(21)Rear Video Display (U42)
(22)Tow/Haul Switch
(23)Hazard Switch
(24)Rear Window Defogger Switch
(25)Courtesy Lamp - Right Footwell
(26)Radio/CD/DVD/Navigation Unit
Figure 6:

Evaporator Temperature Sensor


Object Number: 1377039  Size: LF
(1)Evaporator Temperature Sensor
(2)Evaporator Core
(3)Mode Actuator
(4)Evaporator Temperature Sensor Connector
Figure 7:

HVAC Module Components


Object Number: 1843375  Size: LF
(1)C321
(2)Recirculation Actuator
(3)Blower Motor
(4)Blower Motor Control Module
(5)Air Temperature Actuator - Right
(6)Mode Actuator
(7)Air Temperature Actuator - Left
(8)Inside Air Temperature Sensor
Figure 8:

Headliner


Object Number: 1374461  Size: LF
(1)Blower Motor Switch - Front Auxiliary (C57)
(2)Blower Motor Switch - Rear Auxiliary (C57)
(3)Courtesy/Reading Lamp - Rear
(4)Rear Parking Assist (RPA) Display
(5)Courtesy/Reading Lamp - Center
(6)Courtesy/Reading Lamp - Front
Figure 9:

Headliner Components


Object Number: 1828173  Size: LF
(1)Rear Parking Assist (RPA) Display
(2)Courtesy/Reading Lamp - Rear
(3)Courtesy/Reading Lamps - Center
(4)Blower Motor Switch - Auxiliary (C57)
(5)Vanity Mirror Lamp - Right
(6)Front Sunshade Switch (CF5/C3B)
(7)Sunroof Open/Close Switch (CF5/C3B)
(8)Rear Sunshade Open/Close Switch (C3B)
(9)Courtesy Lamp - Right Center
(10)Courtesy Lamp - Left Center
(11)Noise Compensation Microphone (UQS)
(12)Rear Wiper/Washer Switch
(13)Blower Motor Switch - Rear Auxiliary (C57)
(14)Vanity Mirror Lamp - Left
Figure 10:

Left Rear Cargo Area


Object Number: 1843332  Size: LF
(1)Blower Motor Resistor Assembly - Auxiliary (C57)
(2)Blower Motor - Auxiliary (C57)