GM Service Manual Online
For 1990-2009 cars only

HVAC Air Delivery/Temperature Control Schematics CJ2

Figure 1:

Air Temperature Sensors


Object Number: 590734  Size: FS
HVAC Components
HVAC Air Delivery/Temperature Control Circuit Description
Temperature Actuators
HVAC Compressor Controls CJ2
Diagnostic Trouble Code (DTC) List/Type
Radio, HVAC, RFA, Cluster, Cel Tel, BCM Power, INADV Power Bus, Radio PRM Sound, and Cigar Lighter/Data Link Fuses
Radio, HVAC, RFA, Cluster, Cel Tel, BCM Power, INADV Power Bus, Radio PRM Sound, and Cigar Lighter/Data Link Fuses
Serial Data Class 2
G200
Temperature Actuators
Figure 2:

Temperature Actuators


Object Number: 590737  Size: FS
HVAC Components
HVAC Air Delivery/Temperature Control Circuit Description
Vacuum Electric Solenoid
Air Temperature Sensors
Low Blower, Cruise, and HVAC Fuses
Low Blower, Cruise, and HVAC Fuses
Figure 3:

Vacuum Electric Solenoid


Object Number: 590741  Size: FS
HVAC Components
HVAC Air Delivery/Temperature Control Circuit Description
Air Flow System
Temperature Actuators
Low Blower, Cruise, and HVAC Fuses
Low Blower, Cruise, and HVAC Fuses
Figure 4:

Air Flow System


Object Number: 590744  Size: FS
HVAC Components
HVAC Air Delivery/Temperature Control Circuit Description
Vacuum Electric Solenoid