GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 HVAC Component Views
Figure 1:

Right Front of Radiator (CJ2)
Object Number: 1255288 Size: MF
(1)Ambient Outside Air Temperature Sensor
Figure 2:

Lower Left Side of Engine (LG8)
Object Number: 822934 Size: MF
(1)A/C Compressor Clutch
(2)Crankshaft Position (CKP) Sensor A
(3)Knock Sensor (KS) 1
(4)Engine Oil Pressure (EOP) Switch
(5)Engine Wiring Harness
(6)Starter Lead
(7)Positive Battery Cable
Figure 3:

Lower Left Side of Engine (L36/L67)
Object Number: 592170 Size: LF
(1)A/C Compressor Clutch Coil
Figure 4:

LR of the Engine Compartment
Object Number: 1095521 Size: LF
(1)P103
(2)I/P Wiring Harness
(3)Cruise Control Module (CCM) Connector
(4)Cruise Control Module (CCM) (K34)
(5)Electronic Brake Control Module (EBCM) (JL9/JM4)
(6)Electronic Brake Control Module (EBCM) Connector (JL9/JM4)
(7)Engine Wiring Harness
(8)Brake Fluid Level Switch
(9)C101
(10)A/C Refrigerant Pressure Sensor
(11)Engine Wiring Harness
(12)G171 (JL9/JM4)
Figure 5:

Lower Center of Instrument Panel (CJ2)
Object Number: 592173 Size: LF
(1)HVAC Control Module Connector
(2)HVAC Control Module
Figure 6:

Behind the Right Side of the I/P
Object Number: 1162362 Size: LF
(1)Vacuum Reservoir
(2)G200
(3)Fuse Block - I/P
(4)C200
(5)Blower Motor
(6)Blower Motor Resistor Assembly (CJ3)/Blower Motor Control Processor (CJ2)
(7)P100
(8)Vacuum Reservoir
(9)Black Vacuum Hose
(10)Air Temperature Actuator - Right
(11)Automatic Headlamp Relay
(12)Rear Compartment Lid Release Relay
(13)Rear Window Defogger Relay
(14)Retained Accessory Power (RAP) Relay
(15)I/P Wiring Harness
(16)Air Temperature Actuator - Left
Figure 7:

Behind Center of Instrument Panel (CJ2)
Object Number: 592178 Size: LF
(1)Air Temperature Sensor-Inside
(2)Air Temperature Sensor-Inside Connector