AIR CONDITIONING – Pontiac G3 Wave 2009 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Pontiac G3 Wave 2009

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Pontiac G3 Wave 2009:

• (below ash tray) g203
• (i/p harness) j210
• (i/p harness, near stop light switch) j209
• Air temp sens rtn
• Air temperature actuator (right side of dash)
• Ambient air temp sens
• Audio/ rke fuse 21 15a
• Batt positive voltage
• Blower feedback
• Blower motor (behind right side of dash)
• Blower motor control module
• Blower motor spd ctrl
• Blw mtr ctrl
• Blw mtr spd
• Coolant temp sens sig
• Defogger system
• G203 (below ash tray)
• Ground
• Hot at at times
• Hot w/ ign 2 relay energized
• Hvac control module (center of dash)
• I/p fuse block (left side of dash, in door opening)
• Ign 1 volt
• Ign 2 relay
• Ign 2/st ef6 fuse 30a
• Ign volt
• Inside air temp sens
• Intake sens sig
• Interior lights system
• J200
• Mirror/ sunroof fuse 19 10a
• Mode actuator
• Panel lamps dimming
• Pnk
• Rear defog relay ctrl
• Recirculation actuator (under dash at right side of hvac unit)
• Sunload sens sig
• Sunload sensor
• Transmissions system
• Underhood fuse block (left side of engine compt)
• Vactr (+)
• Vehicle speed signal
• Water sens sig
• Wiper motor high speed
• Wiper/washer system

Automatic A/C Wiring Diagram (2 of 2) for Pontiac G3 Wave 2009

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Pontiac G3 Wave 2009:

• (front harness, between breakouts to left front fog lamp) j132
• (i/p harness, near breakout to remote control door lock receiver towards radio) j208
• 5-volt ref 1
• A/c comp
• A/c comp ef25 fuse 10a
• A/c compressor clutch (lower right front of engine)
• A/c engine coolant temperature (ect) sensor
• A/c refrigerant pressure sensor (high pressure refrigerant line)
• A/c relay
• A/c req sig
• Ambient air temperature sensor (w/o driver info center display) (front of engine compt)
• Ect ctrl
• Ect sens 2 sig
• Ems1 ef13 fuse 15a
• Ems2 ef25 fuse 10a
• Engine control module (ecm) (left front fender, near the battery)
• Engine coolant temperature (ect) sensor 2 (rear of engine cylinder head, below intake manifold)
• Engine coolant thermostat
• Engine cooling fan
• Engine cooling fan resistor
• Fan hi ef6 fuse 30a
• Fan hi relay
• Fan hi rly ctrl
• Fan lo rly ctrl
• Fan low ef24 fuse 20a
• Fan low relay
• G102 (left headlamp, left of battery)
• G104 (next to starter)
• G201 (under instrument panel cluster, near i/p fuse block)
• Hot at all times
• Hot at at times
• Hot w/ main relay energized
• Hvac ambient air temperature sensor
• Instrument cluster system
• Intake air temperature (iat) sensor (air intake hose, between air filter & throttle body)
• J204
• J235
• Low ref
• Main relay
• Main rly ctrl
• Underhood fuse block (left side of engine compt)

Compressor Wiring Diagram, with Auto A/C for Pontiac G3 Wave 2009

List of elements for Compressor Wiring Diagram, with Auto A/C for Pontiac G3 Wave 2009:

• 5-volt ref 1
• A/c comp
• A/c comp ef25 fuse 10a
• A/c compressor clutch (lower right front of engine)
• A/c refrigerant pressure sensor (high pressure refrigerant line)
• A/c relay
• A/c req sig
• Ems1 ef13 fuse 15a
• Engine control module (ecm) (left front fender, near the battery)
• G104 (next to starter)
• Hot at at times
• Hot w/ main relay energized
• Low ref
• Underhood fuse block (left side of engine compt)

Compressor Wiring Diagram, with Manual A/C for Pontiac G3 Wave 2009

List of elements for Compressor Wiring Diagram, with Manual A/C for Pontiac G3 Wave 2009:

• (or 193)
• (or 540)
• 5-volt ref 1
• A/c comp
• A/c comp ef25 fuse 10a
• A/c compressor clutch (lower right front of engine)
• A/c refrigerant pressure sensor (high pressure refrigerant line)
• A/c relay
• A/c req sig
• Blower motor switch
• Def ind
• Def sw
• Defogger system
• Ems1 ef13 fuse 15a
• Engine control module (ecm) (left front fender, near the battery)
• G104 (next to starter)
• G203 (below ash tray)
• Hot at at times
• Hot w/ ign 2 relay energized
• Hot w/ main relay energized
• Hvac control module (center of dash)
• I/p fuse block (left side of dash, in door opening)
• Instrument panel cluster (ipc)
• J203
• Low ref
• Mirror/ sunroof fuse 19 10a
• Pnk
• Recirculation actuator (under dash at right side of hvac unit)
• Underhood fuse block (left side of engine compt)

Heater Wiring Diagram for Pontiac G3 Wave 2009

List of elements for Heater Wiring Diagram for Pontiac G3 Wave 2009:

• Blower motor (behind right side of dash)
• Blower motor resistor (behind right side of dash)
• Blower motor switch
• G102 (left headlamp, left of battery)
• G203 (below ash tray)
• Hot at at times
• Hot in acc
• Hvac control module (center of dash)
• Ign 3 volt
• Ign-2 relay
• Ign2/st ef6 fuse 30a
• J200
• J203
• J252 (i/p harness, near breakout to recirculation actuator)
• Off
• Underhood fuse block (left side of engine compt)
• Vol sol ctrl

Manual A/C Wiring Diagram (1 of 2) for Pontiac G3 Wave 2009

List of elements for Manual A/C Wiring Diagram (1 of 2) for Pontiac G3 Wave 2009:

• (or 193)
• (or 540)
• Blower motor (behind right side of dash)
• Blower motor resistor (behind right side of dash)
• Blower motor switch
• Def ind
• Def sw
• Defogger system
• G203 (below ash tray)
• Hot w/ ign 2 relay energized
• Hvac control module (center of dash)
• I/p fuse block (left side of dash, in door opening)
• Ign 3 volt
• Instrument panel cluster (ipc)
• Interior lights system
• J203
• J252 (i/p harness, near breakout to recirculation actuator)
• Mirror/ sunroof fuse 19 10a
• Off
• Pnk
• Vlv sol ctrl

Manual A/C Wiring Diagram (2 of 2) for Pontiac G3 Wave 2009

List of elements for Manual A/C Wiring Diagram (2 of 2) for Pontiac G3 Wave 2009:

• (front harness, between breakouts to left front fog lamp) j132
• 5-volt ref 1
• A/c comp
• A/c comp ef25 fuse 10a
• A/c compressor clutch (lower right front of engine)
• A/c refrigerant pressure sensor (high pressure refrigerant line)
• A/c relay
• A/c req sig
• Ect ctrl
• Ect sens 2 sig
• Ems1 ef13 fuse 15a
• Ems2 ef25 fuse 10a
• Engine control module (ecm) (left front fender, near the battery)
• Engine coolant temperature (ect) sensor 2 (rear of engine cylinder head, below intake manifold)
• Engine coolant thermostat
• Engine cooling fan
• Engine cooling fan resistor
• Fan hi ef6 fuse 30a
• Fan hi relay
• Fan hi rly ctrl
• Fan low ef24 fuse 20a
• Fan low relay
• Fan low rly ctrl
• G102 (left headlamp, left of battery)
• G104 (next to starter)
• Hot at all times
• Hot at at times
• Hot in acc
• Hot w/ main relay energized
• Ign-2 relay
• Ign2/st ef6 fuse 30a
• J200
• Low ref
• Main relay
• Recirculation actuator (under dash at right side of hvac unit)
• Underhood fuse block (left side of engine compt)