AIR CONDITIONING
Automatic A/C Wiring Diagram (1 of 3) for Cadillac STS V 2009
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO List of elements for Automatic A/C Wiring Diagram (1 of 3) for Cadillac STS V 2009:
- (on dash right of steering column) inside air temperature (iat) sensor
- 5v ref
- A/c refrigerant low temp sens sig
- Air quality hc sens sig
- Air quality nox sens sig
- Air temp dr ctrl
- Ambient air temp sens sig
- Ambient light sens sig
- Auxiliary air temp dr ctrl
- Auxiliary air temp dr position sig
- Auxiliary air temperature actuator (left center of dash, on lower left side of hvac module)
- Auxiliary mode actuator (inside center console, on right rear side)
- Auxiliary mode dr position sig
- Batt positive volt
- Blower mtr spd ctrl
- Blwr fuse 40a
- Ccp fuse 10a
- Ccp/ rly coils fuse 10a
- Computer data lines system
- Drv air temp dr position sig
- Drv sunload sens sig
- Frt blwr relay
- G201 (in passenger compt, behind right kick panel)
- Gnd
- Hot at all times
- Hot w/ run crnk relay energized
- Hvac control module (center of dash, below radio)
- Ign 3 vlot
- Inside air temp sens assembly ctrl
- Inside air temp sens sig
- Interior lights system
- J210
- J211 (in dash harness, 28 cm from x214)
- Led backlight dimming ctrl
- Low ref
- Low spd gmlan serial data
- Medium 2 blower mtr ctrl
- Medium 3 blower mtr ctrl
- Medium blower mtr ctrl
- Mode dr ctrl
- Nca
- Pass air temp dr position sig
- Pass sunload sens sig
- Pnk
- Rear mode dr ctrl a
- Rear mode mtr low ref
- Recirculation actuator (on hvac module, left of blower motor)
- Recirculation door ctrl
- Recirculation door position sig
- Right air temp dr ctrl a
- Run/crank ign 1 volt
- Tan
- Tan/red
- Underhood fuse block (right front side of engine compt)
Automatic A/C Wiring Diagram (2 of 3) for Cadillac STS V 2009
List of elements for Automatic A/C Wiring Diagram (2 of 3) for Cadillac STS V 2009:
- (center of dash, in defroster grille) sunload sensor
- (in hvac motor assembly harness) j222
- (in hvac motor assembly harness) j223
- (under front fascia, near center of grille) ambient air temperature sensor
- (under front fascia, near front grille center) (if equipped) air quality sensor
- Air filter recirculating)
- Auxiliary hvac control module (w/ rear heated seat)
- Blower motor (under dash, behind glove box)
- Blower motor control module (behind right side of instrument panel)
- Blower mtr fan ctrl
- Blower mtr resistor assembly sply volt
- Blower mtr spd ctrl
- Blower mtr sply volt
- Evaporator temperature sensor (inside hvac case, at evaporator core)
- G104 (on right front frame rail, near bumper bracket)
- G201 (in passenger compt, behind right kick panel)
- Gnd
- Hot w/ run crnk relay energized
- Htd wash/ aqs fuse 10a
- J202 (in instrument panel harness, 50.5 cm from left front speaker)
- J212
- Left air temperature actuator (left center of dash, on left side of hvac module)
- Pnk
- Right air temperature actuator (right center of dash, on right side of hvac module)
- Run/crank ign 1 volt
- Tan/ red
- Tan/red
- Underhood fuse block (right front side of engine compt)
Automatic A/C Wiring Diagram (3 of 3) for Cadillac STS V 2009
List of elements for Automatic A/C Wiring Diagram (3 of 3) for Cadillac STS V 2009:
- (on right front frame rail, near bumper bracket) g104
- (or 2751)
- (or 476)
- 3.6l
- 3.6l & 4.6l w/o trailer provisions
- 4.4l & 4.6l
- 4.4l & 4.6l w/ trailer provisions
- 4.4l 3.6l
- 4.6l
- 5v reference 3
- 87a
- A/c clutch fuse 10a
- A/c cmprsr
- A/c compressor clutch
- A/c compressor clutch relay
- A/c refrig press sens
- A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
- Clutch relay ctrl x2
- Computer data lines system
- Ect sensor signal
- Engine control module (ecm) (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly)
- Engine coolant temperature (ect) sensor (3.6l: in center of left cylinder head) (4.4l: rear of right cylinder head) (4.6l: in rear side of right cylinder head)
- Engine cooling fan
- Engine cooling fan resistor
- Fan 1 fuse 30a
- Fan 2 fuse 30a
- G100 (on rear side of right cylinder head)
- G104 (on right front frame rail, near bumper bracket)
- Hi fan spd relay
- Hi spd fan rly ctrl
- Hot at all times
- Hot w/ pwr/ trn relay energized
- Left engine cooling fan (behind radiator)
- Lo fan spd relay
- Low ref
- Low reference
- Low spd fan rly ctrl
- Mode actuator (on top left side of hvac module)
- Post 02 snsr fuse 15a
- Right engine cooling fan (behind radiator)
- S/p fan relay
- Serial data bus +
- Serial data bus -
- Tan
- Underhood fuse block (right front side of engine compt)
Compressor Wiring Diagram for Cadillac STS V 2009
List of elements for Compressor Wiring Diagram for Cadillac STS V 2009:
- (or 2751)
- 3.6l
- 5v ref 3
- A/c cltch fuse 10a
- A/c cmprsr cltch relay
- A/c compressor clutch
- A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
- Computer data lines system
- Data bus+
- Data bus-
- Engine control module (ecm) (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly)
- Except 3.6l
- G100 (on rear side of right cylinder head)
- Hot at all times
- Hot w/ pwr/trn relay energized
- Low ref
- Post 02 snsr fuse 15a
- Rly ctrl
- Sens sig
- Tan
- Underhood fuse block (right front side of engine compt)