AIR CONDITIONING – Buick Enclave CX 2009 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 4) for Buick Enclave CX 2009

List of elements for Automatic A/C Wiring Diagram (1 of 4) for Buick Enclave CX 2009:

• (left of instrument panel air bag) j206
• (under left side of dash) body control module (bcm)
• 5v ref
• A/c clutch
• A/c pressure
• A/c refrigerant pressure sensor (near rear of a/c compressor)
• Ambi air temp sens sig
• Ambient air temperature sensor (exterior: behind left side of front fascia) (interior: under left side of dash, right of steering column)
• Automatic transmission
• Aux mode door ctrl
• Blower speed down
• Blower speed up
• Computer data lines system
• Control solenoid valve assembly
• Defogger system
• Driver sensor
• Driver temp down
• Driver temp up
• Drl sensor
• Drv sunload sens sig
• Ect
• Engine control module (ecm) (left side of engine)
• Engine coolant temperature (ect) sensor (left side of engine)
• G301 (behind left kick panel)
• Gmlan +
• Gmlan -
• Gnd
• Headlights system
• Hi spd bus +
• Hi spd bus -
• Hi spd clg fan
• Hot at all times
• Hvac control module
• Hvac fuse 15a
• I/p fuse block (behind right end of dash)
• In air temp sens sig
• Inside air temperature sensor
• Instrument cluster system
• J208
• J215
• Lo spd clg fan
• Logic
• Low ref
• Low speed gmlan
• Mode down
• Mode up
• Output shaft speed (oss) sensor
• Pass sunload sens sig
• Passenger sensor
• Pnk
• Power mode
• Rear defog
• Right air temp sw sig
• Sunload sensor (under center of dash, near windshield defrost vent)
• Tan
• Transmission control module
• Upper left air temperature sensor (front left end of hvac module)
• Upper left sens sig
• Upper right air temperature sensor (front right end of hvac module)
• Upper right sens sig
• Wiper/ washer system

Automatic A/C Wiring Diagram (2 of 4) for Buick Enclave CX 2009

List of elements for Automatic A/C Wiring Diagram (2 of 4) for Buick Enclave CX 2009:

• 87a
• A/c cltch fuse 10a
• A/c cmprsr cltch relay
• A/c compressor clutch (lower left front of engine)
• Emission 2 fuse 15a
• Fan 1 fuse 30a
• Fan 1 relay
• Fan 2 fuse 40a
• Fan 2 relay
• Fan 3 relay
• G102 (right side of engine compt, on right inner fender panel)
• G110 (right front of engine, mounted to cylinder head)
• Hot at all times
• Hot w/ pwr/trn relay energized
• Left cooling fan (mounted to rear left side of radiator)
• Pnk
• Red
• Right cooling fan (mounted to rear right side of radiator)
• Underhood fuse block (above right front wheelwell)

Automatic A/C Wiring Diagram (3 of 4) for Buick Enclave CX 2009

List of elements for Automatic A/C Wiring Diagram (3 of 4) for Buick Enclave CX 2009:

• (near base of right "b" pillar) g302
• (or red)
• Auxiliary air temperature actuator (on rear hvac module)
• Auxiliary blower motor (on rear hvac module)
• Auxiliary blower motor control module (on rear hvac module)
• Auxiliary mode actuator (on rear hvac module)
• Auxiliary radio/hvac control
• Blower motor (part of hvac module, behind glove box)
• Blower motor control module (behind glove box, in front of blower motor)
• Blower speed
• Blower speed down
• Blower speed up
• Change mode
• Computer data lines system
• G402 (above right rear wheelwell)
• Gnd
• Hot at all times
• Hvac blwr fuse 40a
• Lo spd gmlan
• Logic
• Low ref
• Pnk
• Rr hvac fuse 30a
• Temperature down
• Temperature up
• Underhood fuse block (above right front wheelwell)

Automatic A/C Wiring Diagram (4 of 4) for Buick Enclave CX 2009

List of elements for Automatic A/C Wiring Diagram (4 of 4) for Buick Enclave CX 2009:

• (left side of hvac module) left air temperature actuator
• (not used)
• (on right side of hvac module) recirculation actuator
• (right side of hvac module) mode actuator
• (right side of hvac module) right air temperature actuator
• Air tem door sig
• Air temp door ctrl
• Auto mode
• Aux mode motor volt
• Aux temp motor volt
• Auxiliary air temp
• Auxiliary air temp sig
• Auxiliary spd ctrl
• Auxiliary temp door
• Blower spd ctrl
• Computer data lines system
• Displacement ctrl
• Displacement volt
• Driver information center (dic) display
• Early production
• Evap temp sens sig
• Evaporator temperature sensor (right side of hvac module)
• Hvac control module
• Instrument panel cluster (ipc)
• J260 (in hvac harness, near hvac control module)
• J262 (in hvac harness, near hvac control module)
• J264 (in hvac harn, near hvac control module)
• Lo rh air temp sig
• Logic
• Low ref
• Lower left air temp
• Lower left air temperature sensor (rear left end of hvac module)
• Lower right air temperature sensor (rear right end of hvac module)
• Mode door ctrl
• Mode pos
• Passenger temp down
• Passenger temp up
• Pnk
• Recirculate
• Recirculation a
• Recirculation b
• Recirculation pos
• Right temp a
• Tan
• X202

Compressor Wiring Diagram for Buick Enclave CX 2009

List of elements for Compressor Wiring Diagram for Buick Enclave CX 2009:

• 5v ref 3
• A/c cltch fuse 10a
• A/c clutch
• A/c cmprsr cltch relay
• A/c compressor clutch (lower left front of engine)
• A/c pressure
• A/c refrigerant pressure sensor (near rear of a/c compressor)
• Computer data lines system
• Driver information center (dic) display
• Emission 2 fuse 15a
• Engine control module (ecm) (left side of engine)
• G110 (right front of engine, mounted to cylinder head)
• Hi spd bus +
• Hi spd bus -
• Hot at all times
• Hot w/ pwr/trn relay energized
• Hvac control module
• Instrument panel cluster (ipc)
• Logic
• Low ref
• Tan
• Underhood fuse block (above right front wheelwell)