AIR CONDITIONING – Pontiac Bonneville SE 2003 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Pontiac Bonneville SE 2003

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Pontiac Bonneville SE 2003:

• (hvac harn, 23.5 cm from c204 breakout)
• (hvac harn, 30 cm from c204 breakout) s221
• (hvac harn, 36.5 cm from c204 break- out)
• (i/p harn, 2 cm from instrument cluster breakout)
• (i/p harn, 35 cm cm from instrument cluster breakout)
• 5v ref
• A10
• A11
• A12
• Air mix act cntl
• Air temperature actuator (left) (on top left side of hvac module)
• Air temperature actuator (right) (behind glove box, right side of hvac assembly)
• Air temperature sensor (inside) (on dash, right of steering column)
• Air temperature sensor (outside) (forward of radiator)
• Amb air temp sig
• Amb light sens
• Backlight
• Battery
• Blwr sp cntrl
• C1 a1
• C11
• C12
• C13
• Class 2 serial
• Clock sig
• Computer data lines system
• D11
• D12
• D16
• Data sig
• Drvr sun ld sens
• G200 (on left front door pillar)
• G201 (on right front door pillar)
• Grd
• Ground
• Hot at all times
• Hot in on
• Hvac (batt) fuse 37 15a
• Hvac blo fuse 2 30a
• Hvac control module
• Hvac fuse 33 10a
• Ign 3 rr fuse 34 10a
• Ign 3 volt
• In air temp sig
• Instrument panel module (ipm) (behind left side of dash)
• Interior lights system
• Lft air temp dr
• Low lft temp sig
• Low ref
• Low rt temp sig
• Lower left air temperature sensor (behind left dash air discharge vent)
• Lower right air temperature sensor (behind right dash air discharge vent)
• Mode actuator (under left side of dash, on left side of hvac module)
• Mode dr ctrl
• Mode dr pos sens
• Nca
• Pass sun ld sens
• Rear fuse block
• Recirc dr ctrl
• Recirc dr pos
• Recirculation actuator (under right side of dash, right of blower motor)
• Rt air temp dr
• S203 (i/p harn, 6.5 cm from ipm breakout)
• S204
• S205
• S222
• S253 (i/p harn, 13 cm from turn signal hazard flasher module)
• Solid state
• Splice pack sp200
• Splice pack sp201
• Sunload sensor assembly (on top center of dash)
• Tan
• Up lft temp sig
• Up rt temp sig
• Upper left air temperature sensor (behind left dash air discharge vent)
• Upper right air temperature sensor (behind right dash air discharge vent)

Automatic A/C Wiring Diagram (2 of 2) for Pontiac Bonneville SE 2003

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Pontiac Bonneville SE 2003:

• (engine harn, 6.5 cm from iac valve breakout)
• 5v ref
• A/c clu fuse 26 15a
• A/c clu relay 32
• A/c compressor clutch
• A/c compressor clutch diode
• A/c pressure sensor (behind a/c compressor, on a/c line)
• A10
• A11
• B10
• B11
• Bat pos volt
• Blower control processor (mounted on right front of blower motor)
• Blower motor (under right side of dash, above sound insulator)
• Blwr mtr grd
• Blwr volt
• C10
• C11
• Class 2 serial
• Clutch rly ctrl
• Computer data lines system
• Cool fan 1 fuse 47 30a
• Cool fan 2 fuse 46 30a
• Coolfan 1 relay
• Coolfan 2 relay 37
• Coolfan s/p relay 39
• D10
• E10
• E11
• Ect sens sig
• Engine controls system
• Engine coolant temperature (ect) sensor (on rear of
• Engine, near thermostat housing)
• F11
• G10
• G100 (on top of transmission)
• G103 (in front of underhood fuse block)
• G11
• G201 (on right front door pillar)
• Grd
• High spd fan cntrl
• Hot at all times
• Hot in on
• Left cooling fan
• Low ref
• Low spd fan cntrl
• Mtr ctrl
• Mtr spd ctrl
• Powertrain control module (pcm) (in air cleaner housing)
• Right cooling fan
• S106
• S108
• Sensor signal
• Splice pack sp100
• Splice pack sp103
• Splice pack sp201
• T10
• T11
• Underhood fuse block (right front side of engine compartment)
• V10
• V11

Compressor Wiring Diagram for Pontiac Bonneville SE 2003

List of elements for Compressor Wiring Diagram for Pontiac Bonneville SE 2003:

• (engine harn, 6.5 cm from iac valve breakout)
• (in engine harn, 18 cm from a/c compressor clutch connector breakout) s108
• 5v ref
• A/c clu fuse 26 15a
• A/c clu relay
• A/c compressor clutch
• A/c compressor clutch diode (near a/c compressor)
• A/c refrigerant pressure sensor (behind a/c compressor, on a/c line)
• Class 2 serial
• Clutch rly ctrl
• Computer data lines system
• Engine controls system
• G100 (on top of transmission)
• Hot at all times
• Hot in on
• Low ref
• Powertrain control module (pcm) (in air cleaner housing)
• S106
• Sensor signal
• Splice pack sp100
• T10
• T11
• Underhood fuse block (right front side of engine compartment)
• V10
• V11

Manual A/C Wiring Diagram (1 of 2) for Pontiac Bonneville SE 2003

List of elements for Manual A/C Wiring Diagram (1 of 2) for Pontiac Bonneville SE 2003:

• (hvac harn, 23.5 cm from c204 breakout)
• (hvac harn, 30 cm from c204 breakout) s221
• (i/p harn, 6.5 cm from ipm breakout) s203
• 5v ref
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Air temperature actuator (left front side of blower motor)
• Amb lgt sens sig
• Anti-lock brakes system
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Bat pos voltage
• Battery
• Blower control processor (under right side of dash, above blower motor)
• Blower motor (under right side of dash, above sound insulator)
• Blwr mtr grd
• Blwr sp cntrl
• Blwr sp input
• Blwr volt
• C1 a10
• Class 2 data
• Computer data lines system
• Crtsy lamp sw out
• D12
• Dimmer sw sig
• Fog lp switch
• G200 (on left front door pillar)
• G201 (on right front door pillar)
• Grd
• Headlights system
• Hot at all times
• Hot in on
• Hvac batt fuse 37 10a
• Hvac blo fuse 2 30a
• Hvac control module
• Hvac fuse 33 10a
• Ign 3 voltage
• Interior lights system
• Key cyl lp ctrl
• Key in ign sw
• Lamps ctrl
• Lft temp dr ctrl
• Low ref
• Mode actuator (under left side of dash, on left side of hvac module)
• Mode dr ctrl
• Rear fuse block (under left rear seat)
• Recirc dr ctrl
• Recirculation actuator (under right side of dash, to right of blower motor)
• S222
• S253 (i/p harn, 13 cm from turn signal hazard flasher module)
• Solid state
• Speed cntl
• Splice pack sp200
• Splice pack sp201
• Trac cntrl sw
• Trunk release sw
• Trunk, tailgate, fuel doors system
• Twilight sentinel
• Warnings system

Manual A/C Wiring Diagram (2 of 2) for Pontiac Bonneville SE 2003

List of elements for Manual A/C Wiring Diagram (2 of 2) for Pontiac Bonneville SE 2003:

• (engine harn, 6.5 cm from iac valve breakout)
• 5 volt ref
• A/c clu fuse 32 15a
• A/c clu relay 32
• A/c clutch ctrl
• A/c compressor clutch
• A/c compressor clutch diode (near a/c compressor)
• A/c refrigerant pressure sensor (behind a/c compressor, on a/c line)
• A/c sensor signal
• A10
• A11
• B10
• B11
• C10
• Class 2 serial
• Computer data lines system
• Cool fan 1 fuse 47 30a
• Cool fan 2 fuse 46 30a
• Coolfan 1 relay
• Coolfan 2 relay 37
• Coolfan s/p relay 39
• D10
• E10
• E11
• Ect sens sig
• Engine controls system
• Engine coolant temperature sensor (ect) (on rear of
• Engine, near thermostat housing)
• F11
• G10
• G100 (on top of transmission)
• G103 (in front of underhood fuse block)
• G11
• High spd fan ctrl
• Hot at all times
• Hot in on
• Left cooling fan
• Low ref
• Low spd fan ctrl
• Powertrain control module (pcm) (in air cleaner housing)
• Right cooling fan
• S106
• S108 (engine harn, 18 cm from a/c compressor clutch conn breakout)
• Splice pack sp100
• Splice pack sp103
• T10
• T11
• Underhood fuse block (right front side of engine compartment)
• V10
• V11