AIR CONDITIONING – Audi A4 Quattro 2003 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Air Conditioning Wiring Diagram (1 of 2) for Audi A4 Quattro 2003

List of elements for Air Conditioning Wiring Diagram (1 of 2) for Audi A4 Quattro 2003:

• (behind left kick panel) g44
• (behind left side of dash) g49 (w/ convert)
• (behind right kick panel) g43 (w/o convert)
• (left center of fire- wall) g12
• 13a
• 25a
• 26a
• 44a
• A/c compressor regulator valve
• A/c control head
• Acc
• Computer data lines system
• Defogger system
• Fresh air blower control module (behind right end of dash)
• Fuse 10a
• Fuse 30a
• Fuse 5a
• Fuse holder
• Hot at all times
• Hot in run or start
• Ignition/ starter switch
• Left vent temperature sensor (behind left end of dash, in air duct)
• Off
• Right vent temperature sensor (behind right end of dash, in air duct)
• Run
• Seats system
• Solar cells
• Start
• W/o convert
• W/o convertible

Air Conditioning Wiring Diagram (2 of 2) for Audi A4 Quattro 2003

List of elements for Air Conditioning Wiring Diagram (2 of 2) for Audi A4 Quattro 2003:

• (behind left side of dash) g49 (w/ convert)
• (behind right kick panel) g43 (w/o convert)
• (left center of fire- wall)
• Air conditioning controls
• Air flow flap motor/ position sensor
• Air quality sensor (right rear of eng compt)
• Airbag spiral spring/ return spring w/ slip ring
• Central air flap motor/ position sensor
• Computer data lines system
• Defroster flap motor/ position sensor
• Evaporator vent temperature sensor (behind right end of dash)
• Fresh air intake duct temperature sensor (behind right end of dash)
• G12
• High pressure sensor
• Left footwell vent temperature sensor (below center of dash)
• Left temperature flap actuator/ potentiometer
• Recirculation flap motor/ position sensor
• Right footwell vent temperature sensor (below center of dash)
• Right temperature flap actuator/ potentiometer
• Steering column electronic systems control module (at top of steering column)
• Steering wheel control unit
• Sunlight photo sensor (on top center of dash)
• T16a