Home ReviewsRefund Car not listed?
Home/Audi/A6/Audi A6 C5 facelift (2001-2004)/Repair manual/Air Conditioning/A/C system components (in passenger compartment)
Contents Wiring diagrams Section: Air Conditioning All sections

A/C system components (in passenger compartment) Audi A6 C5 facelift

Air Conditioning 3 illustrations ~1007 words

A/C system components (in passenger compartment)

Note. After completing service work, always check and erase DTC memory, carry out basic setting and check coding of A/C control head -E87-. Checking cooling performance, see A/C SYSTEM COOLING PERFORMANCE, TESTING . Service work on refrigerant circuit, see REFRIGERANT CIRCUIT, SERVICING . Components marked with an * will be activated during the OUTPUT DIAGNOSTIC TEST MODE (DTM) . Electrical testing is possible on all components marked with ** . See AIR CONDITIONING, ELECTRICAL TESTING . Rear passenger vent "Center" and air ducts in climate control unit in passenger compartment. See AIR DISTRIBUTION IN AIR CONDITIONER AND BODY . Instrument panel outer panel, removing and installing: See INSTRUMENT PANEL .

Note. Items 1 through 12 in the following list (Scheme 47)

Scheme 41

Scheme 41: A/C system components (in passenger compartment)
Scheme 41: A/C system components (in passenger compartment)

Scheme 42

Scheme 42
Scheme 42

Scheme 43

Scheme 43
Scheme 43
  1. Actuator for temperature flap left -V158-* With Potentiometer-actuator for temperature flap left -G220-. Removing and installing, see «ACTUATOR FOR TEMPERATURE FLAP LEFT -V158-, REMOVING AND INSTALLING»(ref-196290-S16316253142005100800000).
  2. Sender for outlet temperature, floor outlet -G192- ** Removing and installing, see «SENDER FOR OUTLET TEMPERATURE, FLOOR OUTLET -G192-, REMOVING AND INSTALLING»(ref-196290-S32046035392005100800000).
  3. Not for USA Heater element for auxiliary heater -Z35-*
  4. Heater core Removing and installing, see «HEATER CORE, REMOVING AND INSTALLING»(ref-196290-S10051831692005100800000).
  5. Kick down switch The A/C clutch can be switched off by the Engine Control Module (ECM), depending on the current vehicles speed and the desired acceleration. See «READ MEASURING VALUE BLOCK (FUNCTION 08)»(ref-196289-S08400501622005100800000).
  6. Data Link Connector (DLC) for VAG 1551 Scan Tool Connect VAG 1551 scan tool and check Climate Control System. See «ON BOARD DIAGNOSTIC (OBD), INITIATING»(ref-196289-S18205730672005100800000).
  7. Left Vent Temperature Sensor -G150- ** Removing and installing, see «LEFT VENT TEMPERATURE SENSOR -G150-, REMOVING AND INSTALLING»(ref-196290-S16836929222005100800000).
  8. Instrument panel vent, left Removing and installing, see «LEFT INSTRUMENT PANEL VENT, REMOVING AND INSTALLING»(ref-196290-S03479606092005100800000).
  9. Defroster vent for side window, left Removing and installing, see «LEFT AND RIGHT SIDE WINDOW DEFROSTER VENTS, REMOVING AND INSTALLING»(ref-196290-S37736790372005100800000).
  10. Outside Air Temperature Display -G106- * The outside air temperature can be displayed in °C or in °F, depending on setting of A/C Control Head -E87-. NOTE: If the display shows incorrect temperatures, check measuring values of temperature sensors. See «READ MEASURING VALUE BLOCK (FUNCTION 08)»(ref-196289-S08400501622005100800000).
  11. Windshield defroster vent Removing and installing, see «WINDSHIELD DEFROSTER VENT, REMOVING AND INSTALLING»(ref-196290-S03479208142005100800000).
  12. Sunlight Photo Sensor -G107- ** Removing and installing, see «SUNLIGHT PHOTO SENSOR -G107-, REMOVING AND INSTALLING»(ref-196290-S21108973282005100800000). NOTE: Items 13 through 28 in the following list (Scheme 48)
  13. A/C control head -E87- Removing and installing, see «A/C CONTROL HEAD -E87-, REMOVING AND INSTALLING»(ref-196290-S37506965572005100800000). Different versions on vehicles with or without heated seats. Different versions on vehicles with or without Radio-Navigation system. Different versions on vehicles with Climate Control systems "1", "2" and "3", see «A/C CONTROL HEAD -E87-, REMOVING AND INSTALLING»(ref-196290-S37506965572005100800000). Different versions on vehicles up to model year 2001 and from model year 2002. NOTE: The display panel and control buttons are illuminated with LEDs.
  14. Instrument Panel Interior Temperature Sensor -G56- and Interior Temperature Sensor Fan -V42- Integrated into A/C Control Head -E87-, cannot be replaced individually.
  15. Air conditioning unit with evaporator Removing and installing, see «COMPLETE AIR CONDITIONER UNIT, REMOVING AND INSTALLING»(ref-196290-S16025120622005100800000). Different versions, see «AIR CONDITIONING CHANGES»(ref-196290-S11023691952005100800000) Disassembling and assembling, see «A/C UNIT, DISASSEMBLING AND ASSEMBLING»(ref-196290-S42340630472005100800000). WARNING: Only remove the air conditioning unit (condenser) when the refrigerant has been discharged from the A/C system.
  16. Footwell vent Can only be replaced when air conditioner unit is removed.
  17. Central Air Flap Motor -V70-* With Potentiometer-actuator for temperature flap left -G112-. Removing and installing, see «CENTRAL AIR FLAP MOTOR -V70-, REMOVING AND INSTALLING»(ref-196290-S17317351462005100800000).
  18. Actuator for temperature flap right -V159-* With Potentiometer-actuator for temperature flap left -G221-. Removing and installing, see «ACTUATOR FOR TEMPERATURE FLAP RIGHT -V159-, REMOVING AND INSTALLING»(ref-196290-S27020319392005100800000).
  19. Defroster flap motor -V107- * With Potentiometer-actuator for temperature flap left -G135-. Removing and installing, see «DEFROSTER FLAP MOTOR -V107-, REMOVING AND INSTALLING»(ref-196290-S09032655542005100800000). Different versions on vehicles with air conditioning units "1" and as version "2".
  20. Fresh Air Blower -V2-** Removing and installing, see «FRESH AIR BLOWER -V2-, REMOVING AND INSTALLING»(ref-196290-S11988956372005100800000). Different versions on vehicles with air conditioning units version "1" and version "2".
  21. Right Vent Temperature Sensor -G151- ** Removing and installing, see «RIGHT VENT TEMPERATURE SENSOR -G151-, REMOVING AND INSTALLING»(ref-196290-S23796394732005100800000).
  22. Instrument panel vent, right Removing and installing, see «LEFT INSTRUMENT PANEL VENT, REMOVING AND INSTALLING»(ref-196290-S03479606092005100800000).
  23. Defroster vent for side window, right Removing and installing, see «LEFT AND RIGHT SIDE WINDOW DEFROSTER VENTS, REMOVING AND INSTALLING»(ref-196290-S37736790372005100800000).
  24. Fresh Air Intake Duct Temperature Sensor -G89- ** Removing and installing, see «FRESH AIR INTAKE DUCT TEMPERATURE SENSOR -G89-, REMOVING AND INSTALLING»(ref-196290-S42124486142005100800000).
  25. Air Flow Flap Motor -V71- * (on vehicles up to model year 2001) Actuates air flow flap and fresh air/recirculated air flap With Back Pressure Flap Motor Position Sensor -G113- (Recirculation Flap Motor Position Sensor -G143-) Removing and installing, see «AIR FLOW FLAP MOTOR -V71-, REMOVING AND INSTALLING (VEHICLES UP TO MODEL YEAR 2002)»(ref-196290-S23175560772005100800000).
  26. Control module for fresh air blower -J126- ** Removing and installing, see «CONTROL MODULE FOR FRESH AIR BLOWER -J126-, REMOVING AND INSTALLING»(ref-196290-S13161738482005100800000).
  27. Evaporator housing drain Checking, see «EVAPORATOR HOUSING DRAIN VALVE, CHECKING, REMOVING AND INSTALLING»(ref-196290-S34267352992005100800000).
  28. Instrument panel vent, center Removing and installing, see «CENTER INSTRUMENT PANEL VENT, REMOVING AND INSTALLING»(ref-196290-S12148537482005100800000). NOTE: Items 29 through 32 in the following list (Scheme 49)
  29. Sealing plug* (Vehicles from model year 2002) Only on vehicles with compressor using A/C Clutch -N25- (Evaporator Vent Temperature Sensor -G263- is not installed, the opening in the air conditioning unit is closed using a sealing plug)
  30. Evaporator Vent Temperature Sensor -G263- * (vehicles from model year 2002) Only installed in vehicles with compressor using A/C Compressor Regulator Valve -N280- Removing and installing, see «EVAPORATOR VENT TEMPERATURE SENSOR -G263-, REMOVING AND INSTALLING»(ref-196290-S28872281782005100800000)
  31. Recirculation Flap Motor -V113-* (vehicles from model year 2002) With Recirculation-Flap Motor Position Sensor -G143- Removing-and installing, see «RECIRCULATION FLAP MOTOR -V113-, REMOVING AND INSTALLING (VEHICLES FROM MODEL YEAR 2002)»(ref-196290-S40783912602005100800000)
  32. Air Flow Flap Motor -V71-* (vehicles from model year 2002) With Back Pressure Flap Motor Position Sensor -G113- Removing and installing, see «AIR FLOW FLAP MOTOR -V71-, REMOVING AND INSTALLING (VEHICLES UP TO MODEL YEAR 2002)»(ref-196290-S23175560772005100800000)