AIR CONDITIONING – Audi A3 2008 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, Early Production (1 of 3) for Audi A3 2008

List of elements for Automatic A/C Wiring Diagram, Early Production (1 of 3) for Audi A3 2008:

• (behind right kick panel) g638
• (in right plenum chamber) air quality sensor
• 16a
• 22a
• 37a
• A/c compressor regulator valve
• Climatronic control module (w a/c control head)
• Evaporator vent temperature sensor (right front of center console)
• Fresh air blower
• Fresh air blower control module (below right side of dash)
• Fresh air intake duct temperature sensor
• Fuse 10a
• Fuse 20a
• Fuse 40a
• Fuse 5a
• Fuse panel c
• G638 (behind right kick panel)
• High pressure sensor
• Hot at all times
• Left footwell vent temperature sensor
• Left temperature flap motor & potentiometer/ actuator
• Nca
• Red
• Right footwell vent temperature sensor
• Seats system
• T16d
• T20j
• W/ heated seats

Automatic A/C Wiring Diagram, Early Production (2 of 3) for Audi A3 2008

List of elements for Automatic A/C Wiring Diagram, Early Production (2 of 3) for Audi A3 2008:

• (top left center of dash) sunlight photo sensor
• Back pressure flap motor position sensor & recirculation flap motor (recirculation flap motor: behind glove box)
• Central flap motor & position sensor
• Climatronic control module (w a/c control head)
• Computer data lines system
• Defroster flap motor & position sensor
• Fuse 50a
• Fuse panel b (integrated in engine compt e-box)
• Hot at all times
• Left vent temperature sensor
• Recirculation flap motor position sensor
• Red
• Right temperature flap potentiometer/ actuator
• Right vent temperature sensor
• Seats system
• T12f
• T16e
• T40

Automatic A/C Wiring Diagram, Early Production (3 of 3) for Audi A3 2008

List of elements for Automatic A/C Wiring Diagram, Early Production (3 of 3) for Audi A3 2008:

• (left side of engine, below oil filter) after-run coolant pump
• (or nca)
• (or red)
• 2.0l (bpy)
• 2.0l (cbfa)
• 2.0l (ccta)
• 2.0l (ccta), (cbfa)
• 2.0l bpy 3.2l
• 3.2l
• After-run coolant pump (left side of engine, below oil filter)
• Coolant circulation pump relay
• Coolant circulation pump relay (2.0l (cbfa)) (on fuse panel "b")
• Coolant circulation pump relay (2.0l (ccta)) (on fuse panel "b")
• Coolant fan 2
• Coolant fan control (fc) control module (front of engine compartment)
• E-box high
• Engine controls system
• Engine coolant temperature sensor (on radiator)
• Except 2.0l (cbfa)
• Fuse 10a
• Fuse 50a
• Fuse 5a
• Fuse panel a
• Fuse panel b
• G607 (2.0l bpy) (in left plenum chamber)
• G607 (in left plenum chamber)
• G673 (3.2l) (on left front long member)
• G673 (on left front long member)
• Hot at all times
• Motronic engine control module (ecm) (in center of plenum chamber)
• Nca
• Red
• Red (or nca)
• T121
• T26
• T2e
• T40
• T4d
• T94

Automatic A/C Wiring Diagram, Late Production (1 of 3) for Audi A3 2008

List of elements for Automatic A/C Wiring Diagram, Late Production (1 of 3) for Audi A3 2008:

• (behind left kick panel) g44
• (behind right kick panel) g638
• (in right plenum chamber) air quality sensor
• 16a
• 22a
• 37a
• A/c compressor regulator valve
• Climatronic control module (w a/c control head)
• Evaporator vent temperature sensor (right front of center console)
• Fresh air blower
• Fresh air blower control module (below right side of dash)
• Fuse 10a
• Fuse 20a
• Fuse 40a
• Fuse 5a
• Fuse panel c
• G638 (behind right kick panel)
• High pressure sensor
• Hot at all times
• Left footwell vent temperature sensor
• Left temperature flap motor & potentiometer/ actuator
• Nca
• Red
• Right footwell vent temperature sensor
• Seats system
• T16d
• T20j
• W/ heated seats

Automatic A/C Wiring Diagram, Late Production (2 of 3) for Audi A3 2008

List of elements for Automatic A/C Wiring Diagram, Late Production (2 of 3) for Audi A3 2008:

• (top left center of dash) sunlight photo sensor
• Central flap motor & position sensor
• Climatronic control module (w a/c control head)
• Computer data lines system
• Defroster flap motor & position sensor
• Fuse 50a
• Fuse panel b (integrated in engine compt e-box)
• Hot at all times
• Left vent temperature sensor
• Recirculation flap motor, air flow flap motor & back pressure flap motor position sensor (recirculation flap motor: behind glove box)
• Red
• Right temperature flap motor & potentiometer/ actuator
• Right vent temperature sensor
• Seats system
• T12f
• T16e
• T40

Automatic A/C Wiring Diagram, Late Production (3 of 3) for Audi A3 2008

List of elements for Automatic A/C Wiring Diagram, Late Production (3 of 3) for Audi A3 2008:

• (left side of engine, below oil filter) after-run coolant pump
• 2.0l (bpy)
• 2.0l (cbfa)
• 2.0l (ccta)
• 2.0l (ccta), (cbfa)
• 2.0l bpy 3.2l
• 3.2l
• After-run coolant pump (left side of engine, below oil filter)
• Coolant circulation pump relay
• Coolant circulation pump relay (2.0l (cbfa)) (on fuse panel "b")
• Coolant circulation pump relay (2.0l (ccta)) (on fuse panel "b")
• Coolant fan 2
• Coolant fan control (fc) control module (front of engine compartment)
• E-box high
• Engine controls system
• Engine coolant temperature sensor (on radiator)
• Except 2.0l (cbfa)
• Fuse 10a
• Fuse 50a
• Fuse 5a
• Fuse panel a
• Fuse panel b
• G607 (2.0l bpy) (in left plenum chamber)
• G607 (in left plenum chamber)
• G655 (3.2l) (on left headlight)
• G655 (on left headlight)
• Hot at all times
• Motronic engine control module (ecm) (in center of plenum chamber)
• Nca
• T121
• T26
• T2e
• T40
• T4d
• T94