AIR CONDITIONING – Audi A4 Quattro 2001 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Audi A4 Quattro 2001

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Audi A4 Quattro 2001:

• A/c control head
• A10
• A11
• A12
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B19
• B20
• Back pressure flap motor position sensor (behind right side of dash, near base of "a"pillar)
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Center outlet temperature sender (behind lower center of dash, on hvac unit)
• Central flap motor position sensor (behind lower right center of dash, on hvac unit)
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Floor outlet temperature sender (behind lower left center of dash, on hvac unit)
• Footwell/defrost flap motor position sensor (behind lower center of dash, above accelerator pedal)
• Fuse 10a
• Fuse 30a
• Fuse 5a
• Fuse panel (on left end of dash)
• G202 (behind left side of dash)
• Hot in run or start
• Hot w/light switch in park or head position
• Hot w/load reduction relay energized
• Instrument cluster
• Motronic engine control module (ecm) (near brake booster, in protective case)
• Solid state
• T32
• T32a
• Temperature flap motor position sensor (behind lower right center of dash, near transmission tunnel)
• Wiper/washer system

Automatic A/C Wiring Diagram (2 of 2) for Audi A4 Quattro 2001

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Audi A4 Quattro 2001:

• (behind left side of dash) g202
• (on lower part of left "a" pillar) g900
• 1.8l
• 2.8l
• 8-way relay carrier (below left end of dash)
• A/c clutch
• A/c clutch relay (on 13 way relay carrier, position 3)
• A/c pressure switch (below passenger side headlight)
• Coolant fan
• Coolant fan control (fc) relay (on 8-way relay carrier, position 3)
• Coolant fan control (fc) series resistance (on bottom of left front frame rail, in engine compartment)
• Coolant fan control (fc) thermal switch (on lower radiator hose)
• Fresh air blower control module (behind right side of dash)
• Fresh air intake duct sensor (behind right side of dash, near blower motor)
• Fuse 40a
• Fuse 5a
• G900 (on lower part of left "a" pillar)
• Hot at all times
• Hot w/load reduction relay energized
• Nca
• Outside air temperature sensor (behind center of lower front grille)
• Second speed coolant fan control (fc) relay (on 8-way relay carrier, position 2)
• Solid state
• Sunlight photo sensor (inside defroster grille, on center of dashboard)