GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2007
🢒
XLR
🢒
HVAC
🢒
HVAC - Automatic
🢒 HVAC Schematics
Figure
1:
Power, Ground, and Blower Motor Controls
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
A/C Compressor Controls
Fuse Block - Underhood Bussing
COOLFAN, AMP, HVAC, ABS, MRRTD, ECM/TCM, HORN, BATT 2 Fuses, and HORN, REAR DEFOG Relays
CLUSTER, A.C. LATCH/PK BRK B, DOOR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW/STRG COL SW FUSES, and RUN/CRANK Relay 2
CLUSTER, A.C. LATCH/PK BRK B, DOOR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW/STRG COL SW FUSES, and RUN/CRANK Relay 2
CLUSTER, A.C. LATCH/PK BRK B, DOOR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW/STRG COL SW FUSES, and RUN/CRANK Relay 2
4.4L
Valet Switch
CLUSTER, A.C. LATCH/PK BRK B, DOOR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW/STRG COL SW FUSES, and RUN/CRANK Relay 2
Defogger Schematics
Driver
Passenger
Class 2
G202
Figure
2:
A/C Compressor Controls
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Temperature Sensors
Power, Ground, and Blower Motor Controls
Fuse Block - Underhood Bussing
Fuse Block - Underhood Bussing
ETC, O2 SEN, EMISSION, ODD INJ, EVEN INJ, and IGN 1, A/C COMP Relays
Class 2
GMLAN
G102
Figure
3:
Temperature Sensors
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Mode and Air Temperature Actuators
A/C Compressor Controls
CLUSTER, A.C. LATCH/PK BRK B, DOOR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW/STRG COL SW FUSES, and RUN/CRANK Relay 2
CLUSTER, A.C. LATCH/PK BRK B, DOOR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW/STRG COL SW FUSES, and RUN/CRANK Relay 2
CLUSTER, A.C. LATCH/PK BRK B, DOOR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW/STRG COL SW FUSES, and RUN/CRANK Relay 2
Figure
4:
Mode and Air Temperature Controls
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Temperature Sensors