GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2008
🢒
Optra - Mexico
🢒
HVAC
🢒
HVAC Systems - Automatic
🢒 HVAC Schematics
Figure
1:
Blower Controls
Master Electrical Component List
Underhood Fuse Block HVAC FLWR, ABS and Horn Fuses
I/P Fuse Block HVAC and S/ROOF HTD/SEAT Fuses
I/P Fuse Block HVAC and S/ROOF HTD/SEAT Fuses
G201 (2 of 2)
G203
G201 (2 of 2)
G203
Figure
2:
Compressor Controls - Sirius D4
Master Electrical Component List
Underhood Fuse Block A/C, DEFOG, and MIR HTD Fuses
I/P Fuse Block CLSTR, AIR BAG, BCK/UP and ENG FUSE BOX DRL Fuses
Controlled/Monitored Subsystem References
Controlled/Monitored Subsystem References
G102
Figure
3:
Compressor Controls - MR-140
Master Electrical Component List
Underhood Fuse Block A/C, DEFOG, and MIR HTD Fuses
I/P Fuse Block CLSTR, AIR BAG, BCK/UP and ENG FUSE BOX DRL Fuses
Controlled/Monitored Subsystem References
Controlled/Monitored Subsystem References
Controlled/Monitored Subsystem References
G102
Figure
4:
Compressor Controls - HV-240
Master Electrical Component List
Underhood Fuse Block A/C, DEFOG, and MIR HTD Fuses
I/P Fuse Block CLSTR, AIR BAG, BCK/UP and ENG FUSE BOX DRL Fuses
Controlled/Monitored Subsystem References
Controlled/Monitored Subsystem References
G102
Figure
5:
Air Delivery and Temperature Controls
Master Electrical Component List
HVAC Sensors
I/P Fuse Block HVAC and S/ROOF HTD/SEAT Fuses
Underhood Fuse Block BATT PWR, IGN 1 and IGN 2 Fuses, Ignition Switch, I/P Fuse Block - RADIO, IMMOBILIZER, DLC, AUTO A/C, HAZARD LAMPS, RKE, TCM, REAR
I/P Illumination w/o Dimming
Stationary Windows
Wiper System - Notchback
Manual Transmission Schematics - D16
Vehicle Speed and Input Speed Sensors
Manual Transmission Schematics - D20
Vehicle Speed Signal
G203
G203
Figure
6:
HVAC Sensors
Master Electrical Component List
Air Delivery and Temperature Controls