AIR CONDITIONING – Pontiac Grand Prix GXP 2008 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

3.8L VIN 2

3.8L VIN 2, Automatic A/C Wiring Diagram (1 of 2) for Pontiac Grand Prix GXP 2008

List of elements for 3.8L VIN 2, Automatic A/C Wiring Diagram (1 of 2) for Pontiac Grand Prix GXP 2008:

• (behind right headlight on frame) g100
• (lower right front of engine, on transaxle stud, near starter) g113
• (on front of a/c compressor) a/c compressor clutch
• (pzev) j104
• A/c clu diode
• A/c clutch fuse 13 10a
• A/c comp relay
• A/c request ind
• A/c request switch
• A18
• A19
• Auto
• Battery
• Blower motor sw
• C18
• C19
• Class 2 serial
• Computer data lines system interior lights system
• Defogger on ind
• Display
• Driver heated seat high ind
• Driver heated seat low ind
• Driver heated seat switch
• Driver temperature down control
• Driver temperature up control
• E10
• Fan 1 fuse 29 30a
• Fan 1 relay
• Fan 2 fuse 32 30a
• Fan 2 relay
• Fan 3 relay
• Front passenger heated seat high ind
• Front passenger heated seat low ind
• Front passenger heated seat switch
• G202 (at base of steering column)
• Ground
• High
• Hot at all times
• Hot w/ ign 1 relay energized
• Hvac control module
• Ign
• Illum
• Ind
• J211
• K14
• K15
• K18
• K19
• L14
• Left air temperature actuator (lower left side of hvac module)
• Lf air temp a
• Lf air temp b
• Logic
• Low
• Low ref
• Lower left air temperature sensor (lower center of hvac module)
• Lower right air temperature sensor (lower center of hvac module)
• M14
• M15
• M18
• M19
• Mode actuator (right center of hvac module)
• Mode dr ctrl a
• Mode dr ctrl b
• Mode switch
• Off
• Pass
• Passenger temperature down control
• Passenger temperature up control
• Pnk
• Rear defogger switch
• Recirculation
• Recirculation a
• Recirculation actuator (right side of hvac module)
• Recirculation b
• Recirculation switch
• Rh air temp a
• Rh air temp b
• Right air temperature actuator (right side of hvac module)
• Sensor sig
• Speed ctrl
• Tan
• Underhood fuse block (mounted to right strut tower)

3.8L VIN 2, Automatic A/C Wiring Diagram (2 of 2) for Pontiac Grand Prix GXP 2008

List of elements for 3.8L VIN 2, Automatic A/C Wiring Diagram (2 of 2) for Pontiac Grand Prix GXP 2008:

• 5v reference
• A/c comp clutch
• A/c press signal
• A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
• Batt main 4 fuse 30 30a
• Battery
• Blower motor (behind right side of dash, in hvac module)
• Blower motor control module (lower right side of hvac module)
• Class 2 serial
• Class 2 serial data
• Computer data lines system
• Coolant ind
• D11
• Display fuse 18 10a
• Ect sens sig
• Engine coolant temperature (ect) sensor (left rear of engine)
• G200 (behind radio)
• G202 (at base of steering column)
• Gnd
• Headlights system
• High spd cooling
• Hot at all times
• Hot w/ ign 1 relay energized
• Hvac fuse 10a
• I/p fuse block (behind right side of dash, in glove box opening)
• Ign
• Inside air temperature sensor
• Instrument panel cluster (ipc)
• J211
• J213
• Left engine cooling fan (on left side of radiator)
• Logic
• Low ref
• Low spd cooling
• Pnk
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Red
• Right engine cooling fan (on right b
• Serial data
• Speed ctrl
• Sunload sensor assembly (top of dash)
• Tan
• Underhood fuse block (mounted to right strut tower)
• Upper left air temperature sensor (upper left side of hvac unit)
• Upper right air temperature sensor (upper left side of hvac unit)

3.8L VIN 2, Compressor Wiring Diagram for Pontiac Grand Prix GXP 2008

List of elements for 3.8L VIN 2, Compressor Wiring Diagram for Pontiac Grand Prix GXP 2008:

• (clipped to knee-bolster panel, to right of data link connector) jx205
• (pzev) j104
• 5 volt ref
• A/c clu diode
• A/c clutch fuse 30 10a
• A/c comp control
• A/c comp relay
• A/c compressor clutch (on front of a/c compressor)
• A/c press signal
• A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
• A/c request ind
• A/c request switch
• Automatic a/c
• Battery
• G113 (lower right front of engine, on transaxle stud, near starter)
• G202 (at base of steering column)
• Gnd
• Hot at all times
• Hot w/ ign 1 relay energized
• Hvac class 2
• Hvac control module
• Hvac fuse 10a
• I/p fuse block (behind right side of dash, in glove box opening)
• Ign
• J211
• Logic
• Low ref
• Manual a/c
• Pcm class 2
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Underhood fuse block (mounted to right strut tower)

3.8L VIN 2, Manual A/C Wiring Diagram for Pontiac Grand Prix GXP 2008

List of elements for 3.8L VIN 2, Manual A/C Wiring Diagram for Pontiac Grand Prix GXP 2008:

• (on front of a/c compressor) a/c compressor clutch
• 5v reference
• A/c clu diode
• A/c clutch fuse 10a
• A/c comp clutch
• A/c comp relay
• A/c press signal
• A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
• A/c request ind
• A/c request switch
• A10
• A11
• A12
• A18
• A19
• Air temp a
• Air temp b
• Air temperature actuator
• B10
• B11
• B12
• Batt main 4 fuse 30 30a
• Battery
• Blower motor (behind right side of dash, in hvac module)
• Blower motor control module (lower right side hvac module)
• Blower motor sw
• C18
• C19
• Class 2 serial
• Class 2 serial data
• Computer data lines system
• Coolant ind
• Defogger on ind
• Display fuse 18 10a
• Driver heated seat high ind
• Driver heated seat low ind
• Driver heated seat switch
• E10
• Ect sens sig
• Engine coolant temperature (ect) sensor (left rear of engine)
• Fan 1 fuse 29 30a
• Fan 1 relay
• Fan 2 fuse 30a
• Fan 2 relay
• Fan 3 relay
• Front passenger heated seat high ind
• Front passenger heated seat low ind
• Front passenger heated seat switch
• G100 (behind right headlight on frame)
• G113 (lower right front of engine, on transaxle stud, near starter)
• G200 (behind radio)
• G202 (at base of steering column)
• Gnd
• Ground
• High
• High spd cooling
• Hot at all times
• Hot w/ ign 1 relay energized
• Hvac control module
• Hvac fuse 10a
• I/p fuse block (behind right side of dash, in glove box opening)
• Ign
• Ignition 1
• Illum
• Ind
• Instrument panel cluster (ipc)
• Interior lights system
• J211
• J213
• K14
• K15
• K18
• K19
• L14
• Left engine cooling fan (on left side of radiator)
• Logic
• Low
• Low ref
• Low spd cooling
• M14
• M15
• M18
• M19
• Mode actuator (right center of hvac module)
• Mode dr ctrl a
• Mode dr ctrl b
• Mode switch
• Off
• Pnk
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Rear defogger switch
• Recirculation
• Recirculation a
• Recirculation actuator (right side of hvac module)
• Recirculation b
• Recirculation switch
• Red
• Right engine cooling fan (on right side of radiator)
• Serial data
• Speed ctrl
• Tan
• Temperature control sw
• Underhood fuse block (mounted to right strut tower)

5.3L VIN C

5.3L VIN C, Automatic A/C Wiring Diagram (1 of 2) for Pontiac Grand Prix GXP 2008

List of elements for 5.3L VIN C, Automatic A/C Wiring Diagram (1 of 2) for Pontiac Grand Prix GXP 2008:

• (on front of a/c compressor) a/c compressor clutch
• 87a
• A/c cmprsr fuse 10a
• A/c cmprsr relay
• A/c request ind
• A/c request switch
• Auto
• Battery
• Blower motor sw
• Class 2 serial
• Computer data lines system interior lights system
• Defogger on ind
• Display
• Driver heated seat high ind
• Driver heated seat low ind
• Driver heated seat switch
• Driver temperature down control
• Driver temperature up control
• Emissions 2 fuse 15a
• Fan 1 fuse 30a
• Fan 1 relay
• Fan 2 fuse 30a
• Fan 2 relay
• Fan 3 relay
• Front passenger heated seat high ind
• Front passenger heated seat low ind
• Front passenger heated seat switch
• G112 (left front of engine compt, near transmission)
• G202 (at base of steering column)
• Ground
• High
• Hot at all times
• Hot w/ pwr/trn relay energized
• Hvac control module
• Ign
• Illum
• Ind
• J211
• Left air temperature actuator (lower left side of hvac module)
• Lf air temp a
• Lf air temp b
• Logic
• Low
• Low ref
• Lower left air temperature sensor (lower center of hvac module)
• Lower right air temperature sensor (lower center of hvac module)
• Mode actuator (right center of hvac module)
• Mode dr ctrl a
• Mode dr ctrl b
• Mode switch
• Off
• Pass
• Passenger temperature down control
• Passenger temperature up control
• Pnk
• Rear defogger switch
• Recirculation
• Recirculation a
• Recirculation actuator (right side of hvac module)
• Recirculation b
• Recirculation switch
• Rh air temp a
• Rh air temp b
• Right air temperature actuator (right side of hvac module)
• Sensor sig
• Speed ctrl
• Tan
• Underhood fuse block (mounted to right strut tower)

5.3L VIN C, Automatic A/C Wiring Diagram (2 of 2) for Pontiac Grand Prix GXP 2008

List of elements for 5.3L VIN C, Automatic A/C Wiring Diagram (2 of 2) for Pontiac Grand Prix GXP 2008:

• 5v reference
• A/c comp clutch
• A/c press signal
• A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
• Batt 4 fuse 30a
• Battery
• Blower motor (behind right side of dash, in hvac module)
• Blower motor control processor (lower right side hvac module)
• Class 2 serial
• Class 2 serial data
• Compass fuse 10a
• Computer data lines system
• Coolant ind
• D11
• Ect sens sig
• Engine control module (ecm)
• Engine coolant temperature (ect) sensor (left front side of engine)
• G100 (behind right headlight on frame)
• G200 (behind radio)
• G202 (at base of steering column)
• Gnd
• Headlights system
• High spd cooling
• Hot at all times
• Hot w/ ign main pcb relay energized
• Hvac fuse 10a
• I/p fuse block (behind right side of dash, in glove box opening)
• Ign
• Inside air temperature sensor
• Instrument panel cluster (ipc)
• J123
• J211
• J213 (i/p harness, 5 cm from breakout to data link connector)
• Left engine cooling fan (on left side of radiator)
• Logic
• Low ref
• Low spd cooling
• Pnk
• Red
• Right engine cooling fan (on right b
• Serial data
• Speed ctrl
• Sunload sensor assembly (top of dash)
• Tan
• Underhood fuse block (mounted to right strut tower)
• Upper left air temperature sensor (upper left side of hvac unit)
• Upper right air temperature sensor (upper left side of hvac unit)

5.3L VIN C, Compressor Wiring Diagram for Pontiac Grand Prix GXP 2008

List of elements for 5.3L VIN C, Compressor Wiring Diagram for Pontiac Grand Prix GXP 2008:

• (clipped to knee-bolster panel, to right of data link connector) jx205
• 5v reference
• A/c cmprsr fuse 10a
• A/c cmprsr relay
• A/c comp clutch
• A/c compressor clutch (on front of a/c compressor)
• A/c press signal
• A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
• A/c request ind
• A/c request switch
• Automatic a/c
• Battery
• Class 2 serial
• Emissions 2 fuse 15a
• Engine control module (ecm)
• G112 (left front of engine compt, near transmission)
• G202 (at base of steering column)
• Gnd
• Hot at all times
• Hot w/ pwr/trn relay energized
• Hvac class 2
• Hvac control module
• Hvac fuse 10a
• I/p fuse block (behind right side of dash, in glove box opening)
• Ign
• J211
• Logic
• Low ref
• Manual a/c
• Underhood fuse block (mounted to right strut tower)

5.3L VIN C, Manual A/C Wiring Diagram for Pontiac Grand Prix GXP 2008

List of elements for 5.3L VIN C, Manual A/C Wiring Diagram for Pontiac Grand Prix GXP 2008:

• (on front of a/c compressor) a/c compressor clutch
• 5v reference
• 87a
• A/c cmprsr fuse 10a
• A/c cmprsr relay
• A/c comp clutch
• A/c press signal
• A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
• A/c request ind
• A/c request switch
• A10
• A11
• A12
• Air temp a
• Air temp b
• Air temperature actuator
• B10
• B11
• B12
• Batt 4 fuse 30a
• Battery
• Blower motor (behind right side of dash, in hvac module)
• Blower motor control module (lower right side hvac module)
• Blower motor sw
• Class 2 serial
• Class 2 serial data
• Computer data lines system
• Coolant ind
• Defogger on ind
• Driver heated seat high ind
• Driver heated seat low ind
• Driver heated seat switch
• Ect sens sig
• Emiss- ions 2 fuse 15a
• Engine control module (ecm)
• Engine coolant temperature (ect) sensor (left front side of engine)
• Fan 1 fuse 30a
• Fan 1 relay
• Fan 2 fuse 30a
• Fan 2 relay
• Fan 3 relay
• Front passenger heated seat high ind
• Front passenger heated seat low ind
• Front passenger heated seat switch
• G100 (behind right headlight on frame)
• G112 (left front of engine compt, near transmission)
• G200 (behind radio)
• G202 (at base of steering column)
• Gnd
• Ground
• High
• High spd cooling
• Hot at all times
• Hot w/ ign main pcb energized
• Hot w/ pwr/trn relay energized
• Hvac control module
• Hvac fuse 10a
• I/p fuse block (behind right side of dash, in glove box opening)
• Ign
• Ignition 1
• Illum
• Ind
• Instrument panel cluster (ipc)
• Interior lights system
• J123
• J211
• J213
• Left engine cooling fan (on left side of radiator)
• Logic
• Low
• Low ref
• Low spd cooling
• Mode actuator (right center of hvac module)
• Mode dr ctrl a
• Mode dr ctrl b
• Mode switch
• Off
• Pnk
• Rear defogger switch
• Recirculation
• Recirculation a
• Recirculation actuator (right side of hvac module)
• Recirculation b
• Recirculation switch
• Red
• Right engine cooling fan (on right side of radiator)
• Serial data
• Speed ctrl
• Tan
• Temperature control sw
• Underhood fuse block (mounted to right strut tower)