AIR CONDITIONING – Chevrolet Malibu LTZ 2008 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Chevrolet Malibu LTZ 2008

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Chevrolet Malibu LTZ 2008:

• (2.4l (vin 5)) (3.6l)
• (2.4l: at 4 exhaust port, above cmp exhaust sensor) (3.6l: on trans- mission stud, near pnp switch) g106
• (355 mm from main breakout) (2.4l (vin 5)) j153
• (middle rear of engine) (2.4l (vin 5)) heater coolant pump
• 2.4l (vin b)
• 5 volt ref
• 87a
• A/c clutch fuse 1 10a
• A/c clutch relay
• A/c compressor clutch (front of a/c compressor)
• A/c request ind
• A/c request switch
• A11
• Air temp drv pos sig
• Ambient air temperature sensor (behind grille, on left side of front impact bar)
• Auto
• B10
• Battery positive
• Blower motor switch
• Computer data lines system
• Cool fan 1 fuse 17 30a
• Cool fan 2 fuse 18 30a
• Cool/ fan 1 relay
• Cool/ fan 2 relay
• Cool/fan ser/par relay
• Defog ind
• Defog switch
• Door position sig
• Drv ctrl a
• Drv ctrl b
• Except 2.4l (vin b)
• Fresh air ind
• Fresh air switch
• G106 (2.4l: at 4 exhaust port, above cmp exhaust sensor) (3.6l: on trans- mission stud, near pnp switch)
• G201 (under center console, on right side of front support bracket, next to g203, near bcm)
• Gnd
• High
• Hot at all times
• Hot w/ pwr/trn relay energized
• Hot w/ run/crank relay energized
• Hvac control module (center of dash)
• Ign 3 vol
• Inside duct)
• J151 (2.4l (vin 5)) (305 mm from main breakout) b
• Left engine cooling fan (on front of engine compt)
• Left engine cooling fan diode (2.4l (vin 5)) (between left cooling fan & crankshaft position sensor)
• Logic
• Low
• Low ref
• Lower air temperature sensor (under right console access panel,
• Lower air temperature switch
• Maf injectors bas pmps fuse 5 20a 10a
• Mode drv pos sig
• Mode switch
• Off
• Pnk
• Recir door ctrl
• Recirculation ind
• Recirculation switch
• Req sig
• Right engine cooling fan (on front of engine compt)
• Right engine cooling fan diode (2.4l (vin 5)) (between right cooling fan & a/c compressor breakout)
• S152 (2.4l (vin 5))
• Serial data
• Signal
• Starter generator control module (sgcm) (in left front engine compt, behind headlamp assembly)
• Tan
• To right of bcm)
• Underhood fuse block (on left side of engine compt)
• Upper air temperature sensor (in back of left center a/c vent,
• Upper air temperature switch

Automatic A/C Wiring Diagram (2 of 2) for Chevrolet Malibu LTZ 2008

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Chevrolet Malibu LTZ 2008:

• (below right side of dash) blower motor
• 2.4l (vin b)
• 2.4l (vin b) & 2.4l (vin 5) 3.6l (vin 7)
• 5v ref
• A/c refrigerant pressure sensor (3.6l: left side of engine compt, mounted on a/c line)
• Air temperature actuator (right center of hvac case)
• Ambient air temp sens sig
• Battery positive
• Blower motor control module (on rear of hvac case)
• Body control module (bcm) (under right side of center console)
• Clu rly ctrl
• Computer data lines system
• Data link connector (dlc) (on lower left side of dash)
• Drl ambient light sens low ref
• Drl ambient light sens sig
• Drv sunload sens sig
• Ect sens sig
• Engine control module (ecm) (left side of engine compt, near battery)
• Engine coolant temperature (ect) sensor (2.4l (vin 5): below camshaft position exhaust sensor) (2.4l (vin b): on engine block, at left rear corner) (3.6l: on left side of front cylinder head, below throttle actuator control module)
• Except 2.4l (vin b)
• G203 (under center console, on right side of front support bracket, next to g201, near bcm)
• Gnd
• High spd gmlan
• High spd rly ctrl
• High speed gmlan serial data +
• High speed gmlan serial data -
• Hot at all times
• Hvac ctrl (batt) fuse 10a
• Hvac ctrl (ign) fuse 10a
• Logic
• Low ref
• Low spd rly ctrl
• Low speed gmlan serial data
• Mode actuator (on hvac case)
• Pass sunload sens sig
• Recirculation actuator (on upper hvac case)
• Req sig
• Run relay
• Run rly ctrl
• Sens sig
• Spd ctrl
• Sply voltage
• Sunload sensor (center of instrument panel, in defroster deflector)
• Tan

Compressor Wiring Diagram for Chevrolet Malibu LTZ 2008

List of elements for Compressor Wiring Diagram for Chevrolet Malibu LTZ 2008:

• (2.4l: at 4 exhaust port, above cmp exhaust sensor) (3.6l: on transmission stud, near pnp switch)
• (3.6l: left side of engine compt, mounted on a/c line) a/c refrigerant pressure sensor
• (front of a/c compressor) a/c compressor clutch
• 2.4l (vin b)
• 5v ref
• A/c clu fuse 1 10a
• A/c clutch relay
• A/c req sig
• A/c request ind
• A/c request switch
• Automatic a/c
• Body control module (bcm) (under right side of center console)
• Clu rly ctrl
• Computer data lines system
• Engine control module (ecm) (left side of engine compt, near battery)
• Except 2.4l (vin b)
• G106
• High spd gmlan
• High speed gmlan serial data
• Hot at all times
• Hot in run or start
• Hvac control module (center of dash)
• Logic
• Low ref
• Low speed gmlan serial data
• Manual a/c
• Mode switch
• Sens sig
• Serial data
• Tan
• Temperature control switch
• Underhood fuse block (left side of engine compt)

Manual A/C Wiring Diagram (1 of 2) for Chevrolet Malibu LTZ 2008

List of elements for Manual A/C Wiring Diagram (1 of 2) for Chevrolet Malibu LTZ 2008:

• (305 mm from main breakout) (2.4l (vin 5)) j151
• 2.4l (vin b)
• 5 volt ref
• 87a
• A/c clutch fuse 1 10a
• A/c clutch relay
• A/c compressor clutch (front of a/c compressor)
• A/c req sig
• A/c request ind
• A/c request switch
• A10
• A11
• A12
• Air temp dr pos sig
• Ambient air temperature sensor (behind grille, on left side of front impact bar)
• B+ volt
• B10
• B11
• B12
• Blower motor resistor assembly (left of blower motor)
• Blower motor switch
• Cool fan 1 fuse 17 30a
• Cool fan 2 fuse 18 30a
• Cool/ fan 1 relay
• Cool/ fan 2 relay
• Cool/fan ser/par relay
• Defog ind
• Defog switch
• Defogger system
• Dr ctrl a
• Dr ctrl b
• Except 2.4l (vin b)
• Fresh air ind
• Fresh air switch
• G106 (2.4l: at 4 exhaust port, above cmp exhaust sensor) (3.6l: on trans- mission stud, near pnp switch)
• G106 (2.4l: at 4 exhaust port, above cmp exhaust sensor) (3.6l: on transmission stud, near pnp switch)
• G201 (under center console, on right side of front support bracket, next to g203, near bcm)
• Ground
• Hot at all times
• Hot w/ pwr/trn relay energized
• Hvac control module (center of dash)
• Ign 3 volt
• Interior lights system
• J153 (2.4l (vin 5)) (355 mm from main breakout)
• Left engine cooling fan (on front of engine compt)
• Left engine cooling fan diode (2.4l (vin 5)) (between left cooling fan & crankshaft position sensor)
• Logic
• Low ref
• Mode dr ctrl
• Mode dr pos sig
• Mode switch
• Panel lamp rec
• Recirculation ind
• Recirculation switch
• Right engine cooling fan (on front of engine compt)
• Right engine cooling fan diode (2.4l (vin 5)) (between right cooling fan & a/c compressor breakout)
• Tan
• Temperature control switch
• Underhood fuse block (on left side of engine compt)

Manual A/C Wiring Diagram (2 of 2) for Chevrolet Malibu LTZ 2008

List of elements for Manual A/C Wiring Diagram (2 of 2) for Chevrolet Malibu LTZ 2008:

• 2.4l (vin b)
• 2.4l (vin b) & 2.4l (vin 5) 3.6l (vin 7)
• 5v ref
• A/c refrigerant pressure sensor (3.6l: left side of engine compt, mounted on a/c line)
• A/c req sig
• After blow
• Air temperature actuator (right center of hvac case)
• Ambient air temp sens sig
• Ambient light sensor (under defrost deflector)
• Blower motor (below right side of dash)
• Body control module (bcm) (under right side of center console)
• Clu rly ctrl
• Computer data lines system
• Data link connector (dlc) (on lower left side of dash)
• Drl ambient light sens low ref
• Drl ambient light sens sig
• Ect sens sig
• Engine control module (ecm) (left side of engine compt, near battery)
• Engine coolant temperature (ect) sensor (2.4l (vin 5): below camshaft position exhaust sensor) (2.4l (vin b): on engine block, at left rear corner) (3.6l: on left side of front cylinder head, below throttle actuator control module)
• Except 2.4l (vin b)
• G203 (under center console, on right side of front support bracket, next to g201, near bcm)
• Ground
• High spd gmlan
• High spd rly ctrl
• High speed gmlan serial data +
• High speed gmlan serial data -
• Hot at all times
• Hvac blower fuse 20a
• Hvac blower high relay
• Hvac ctrl (batt) fuse 10a
• Hvac ctrl (ign) fuse 10a
• Logic
• Low ref
• Low spd rly ctrl
• Low speed gmlan serial data
• Mode actuator (on hvac case)
• Recirculation actuator (on upper hvac case)
• Run relay
• Run rly ctrl
• Sens sig
• Tan