Air Conditioning: Overview Volkswagen Passat B6

CLIMATIC HEATING AND A/C SYSTEM OVERVIEW

Note. Disconnect the battery before removing the components marked with **. Refer to Removal and Installation . A data plate indicates the refrigerant used and capacity.

Scheme 4

1. Dash Panel **
2. Center Outlet Temperature Sensor -G191- Removing and installing, refer to «CENTER OUTLET TEMPERATURE SENSOR -G191»(ref-460602-S11347167592012032900000) .
3. Center Vents Removing and installing, refer to CENTER VENT .
4. Right Side Vent
5. Controls For Heating and A/C System, Climatic Passat from MY 06. With Fresh air/recirculating door switch -E159-. Also with Immediate heating button -E537- in vehicles with an auxiliary heater. With Rear window defogger switch -E230-. With Fresh air blower switch -E9-. On vehicles with heated seals also with Heated driver seat adjuster -E94- and Heated front passenger seat adjuster -E95-. With A/C control module -J301-. Removing and installing, refer to «HEATING AND A/C SYSTEM CONTROLS»(ref-460602-S27258749562012032900000) .
6. Controls For Heating and A/C System, Climatic Passat CC from MY 09. With Fresh air/recirculating door switch -E159-. With Rear window defogger switch -E230-. With Fresh air blower switch -E9-. On vehicles with heated seats also with Heated driver seat adjuster -E94- and Heated front passenger seat adjuster -E95-. Removing and installing, refer to «HEATING AND A/C SYSTEM CONTROLS»(ref-460602-S27258749562012032900000) .
7. Fresh/Recirculating Air Door Motor -V154- Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to FRESH/RECIRCULATING AIR DOOR MOTOR -V154- . Replacing: perform Basic Setting using Vehicle Diagnostic, Testing and Information System -VAS 5051B-. Refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000) .
8. Air Distribution Door Motor -V428- with Air Distribution Door Motor Position Sensor -G645- Passat CC from MY 09. Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing . Replacing: perform Basic Setting using Vehicle Diagnostic, Testing and Information System -VAS 5051B-. Refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000) .
9. Right Footwell Vent Removing and installing, refer to RIGHT FOOTWELL VENT .
10. Fresh Air Blower -V2- Removing and installing, refer to FRESH AIR BLOWER -V2- .
11. Fresh Air Blower Series Resistor With Fuse -N24- Removing and installing, refer to FRESH AIR BLOWER SERIES RESISTOR WITH FUSE -N24- .
12. Evaporator Vent Temperature Sensor -G263- Removing and installing, refer to «EVAPORATOR VENT TEMPERATURE SENSOR -G263»(ref-460602-S38899256972012032900000) .
13. Heating Unit Partition Removing, refer to PASSENGER COMPARTMENT HEATING OVERVIEW => Removing Heater Partition .
14. Dust and Pollen Filter Removing and installing, refer to DUST AND POLLEN FILTER .
15. Cap Only in vehicles without air guide to vent installed in center console at rear.
16. Connection For air duct, rear vent. To remove, the center console must be removed. Refer to «Removal and Installation»(ref-460566-S06948114362012032900000) .
17. Air Duct To Rear Vent Removing and installing, refer to REAR VENT AIR DUCT .
18. Rear Vent Removing and installing, refer to REAR VENT .
19. Rear Channel For Right Footwell Removing and installing, refer to REAR CHANNEL, FOOTWELL .
20. Rear Channel For Left Footwell Removing and installing, refer to REAR CHANNEL, FOOTWELL .
21. Screw Quantity: 8
22. Adapter For Controls Passat from MY 06.
23. Auxiliary Heater Heating Element -Z35- Not applicable to the US or Canada
24. Left Footwell Vent Removing and installing, refer to LEFT FOOTWELL VENT .
25. Heat Exchanger Removing and installing, refer to HEAT EXCHANGER .
26. Footwell Outlet Temperature Sensor -G192- Removing and installing, refer to «FOOTWELL OUTLET TEMPERATURE SENSOR -G192»(ref-460602-S24474414032012032900000) .
27. Temperature Regulator Flap Motor -V68- with Temperature Regulator Flap Motor Position Sensor -G92- Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to «TEMPERATURE REGULATOR DOOR MOTOR -V68»(ref-460602-S03712534132012032900000) . Replacing: perform Basic Setting using Vehicle Diagnostic, Testing and Information System -VAS 5051B-. Refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000) .
28. Flexible Shaft Removing and installing, refer to FLEXIBLE AIR DISTRIBUTION SHAFT . Passat from MY 06.
29. Heating and A/C Unit Removing and installing, refer to «HEATING AND A/C UNIT»(ref-460602-S35634872392012032900000) . Disassembling and assembling, refer to «HEATING AND A/C UNIT, CLIMATIC»(ref-460602-S38490419882012032900000) .

Scheme 5

1. Left Seat Heater Control
2. AC Button Push the AC button to turn on or turn off the A/C. When the light in the button is on, the air conditioner compressor is switched on.
3. Rear Window Defogger Button
4. Infrared Sensor For Passenger Compartment Temperature
5. Recirculating Air Mode Button Press button for recirculating air function to prevent polluted air from entering interior.
6. Immediate Heating Button -E537- Not applicable to the US or Canada
7. Right Seat Heater Control The seat heating has 3 settings. An LED indicates which setting is selected. If no LED is illuminated, the seat heater is switched off.
8. Air Distribution Control
9. Blower Speed Control To the left: decreases the blower speed. To the right: increases the blower speed.
10. Temperature Setting Control To the left: lower the temperature. To the right: increases the temperature.

CLIMATRONIC HEATING AND A/C SYSTEM OVERVIEW

Note. Disconnect the battery before removing the components marked with **. Refer to Removal and Installation . A data plate indicates the refrigerant used and capacity.

Scheme 6

1. Dash Panel ** Removing and Installing, refer to «Removal and Installation»(ref-460611-S39669978092012032900000) .
2. Left Vent Temperature Sensor -G150- Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to «LEFT VENT TEMPERATURE SENSOR -G150»(ref-460602-S18896241512012032900000) .
3. Sunlight Photo Sensor -G107- or Sunlight Photo Sensor 2 -G134- Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Controls temperature door and fresh air blow depending on light intensity. Emergency running in the event of failure: the Climatronic control module -J255- utilizes a fixed value. Removing and installing, refer to «SUNLIGHT PHOTO SENSOR -G107- OR SUNLIGHT PHOTO SENSOR 2 -G134»(ref-460602-S36588985572012032900000) .
4. Vents For Indirect Ventilation
5. Center Vents Removing and installing, refer to CENTER VENT .
6. Right Vent Temperature Sensor -G151- Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to «RIGHT VENT TEMPERATURE SENSOR -G151»(ref-460602-S10592060442012032900000) .
7. Air Outlet Removing and installing, refer to DRIVER AND PASSENGER SIDE .
8. A/C Control Head -E87- with Climatronic Control Module -J255- Passat from MY 06. The Climatronic Control Module and the A/C Control Head are one component that cannot be disassembled. Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to «A/C DISPLAY CONTROL HEAD -E87- WITH CLIMATRONIC CONTROL MODULE -J255»(ref-460602-S19993242682012032900000) . Replacing: perform Basic Setting using Vehicle Diagnostic, Testing and Information System -VAS 5051B-. Refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000) .
9. A/C Control Head -E87- with Climatronic Control Module -J255- Passat CC from MY 09 The Climatronic Control Module and the A/C Control Head are one component that cannot be disassembled. Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to «A/C DISPLAY CONTROL HEAD -E87- WITH CLIMATRONIC CONTROL MODULE -J255»(ref-460602-S19993242682012032900000) . Replacing: perform Basic Setting using Vehicle Diagnostic, Testing and Information System -VAS 5051B-. Refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000) .
10. Control Motor Passat from MY 06 through calendar week 21/07 Air Flow Flap Motor -V71-. Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to «AIR FLOW DOOR MOTOR -V71- WITH BACK PRESSURE DOOR MOTOR POSITION SENSOR -G113»(ref-460602-S14776168022012032900000) . 2006 Passat from calendar week 22/07 and Passat CC from MY 2009 Fresh Air/Recirculating Air/Back Pressure Flap Motor -V425-. Removing and installing, refer to «AIR FLOW DOOR MOTOR -V71- WITH BACK PRESSURE DOOR MOTOR POSITION SENSOR -G113»(ref-460602-S14776168022012032900000) . Replacing: perfom Basic Setting using Vehicle Diagnostic, Testing and Information System -VAS 5051B-. Refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000) .
11. Recirculation Door Motor -V113- From 2006 Passat only through calendar week 21/07. Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to «RECIRCULATION DOOR MOTOR -V113»(ref-460602-S26086987822012032900000) . Replacing: perfom Basic Setting using Vehicle Diagnostic, Testing and Information System -VAS 5051B-. Refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000) .
12. Right Footwell Vent Removing and installing, refer to RIGHT FOOTWELL VENT .
13. Fresh Air Blower -V2- with Fresh Air Blower Control Module -J126- NOTE: The fresh air blower control module and the fresh air blower are in a single housing together and cannot be replaced individually. Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing, refer to «FRESH AIR BLOWER -V2- WITH FRESH AIR BLOWER CONTROL MODULE -J126»(ref-460602-S18554380532012032900000) .
14. Connector
15. Evaporator Temperature Sensor -G308- or Evaporator Vent Temperature Sensor -G263- NOTE: One or both of the component designations will appear, depending on software. The tasks are the same. Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to «EVAPORATOR VENT TEMPERATURE SENSOR -G263»(ref-460602-S38899256972012032900000) .
16. Heating Unit Partition Removing, refer to PASSENGER COMPARTMENT HEATING OVERVIEW => Removing Heater Partition .
17. Dust and Pollen Filter With EVAP canister. Removing and installing, refer to DUST AND POLLEN FILTER .
18. Cap Only in vehicles without air guide to vent installed in center console at rear.
19. Connection For air duct, rear vent. To remove, the center console must be removed. Refer to «Removal and Installation»(ref-460566-S06948114362012032900000) .
20. Air Duct To Rear Vent Removing and Installing, refer to REAR VENT AIR DUCT .
21. Rear Vent Removing and installing, refer to REAR VENT .
22. Rear Channel For Right Footwell Removing and installing, refer to REAR CHANNEL, FOOTWELL .
23. Rear Channel For Left Footwell Removing and installing, refer to REAR CHANNEL, FOOTWELL .
24. Right Temperature Door Motor -V159- Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to «RIGHT TEMPERATURE DOOR MOTOR -V159-, THROUGH 31 OCTOBER 2008»(ref-460602-S14592393922012032900000) or «RIGHT TEMPERATURE DOOR MOTOR -V159-, FROM 03 NOVEMBER 2008»(ref-460602-S40215366222012032900000) . Replacing: perform a basic setting with Vehicle Diagnosis, Testing and Information System -VAS 5051B-, refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000) .
25. Right Footwell Vent Temperature Sensor -G262- Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing, refer to «RIGHT FOOTWELL VENT TEMPERATURE SENSOR -G262»(ref-460602-S18458512022012032900000) .
26. Auxiliary Heater Heating Element -Z35- Not applicable to the US or Canada
27. Left Footwell Vent Removing and installing, refer to LEFT FOOTWELL VENT .
28. Heat Exchanger Removing and installing, refer to HEAT EXCHANGER .
29. Left Footwell Vent Temperature Sensor -G261- Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing, refer to «LEFT FOOTWELL VENT TEMPERATURE SENSOR -G261»(ref-460602-S04920273582012032900000) .
30. Defroster Door Motor -V107- Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to «DEFROSTER DOOR MOTOR -V107»(ref-460602-S16223825652012032900000) . Replacing: perform a basic setting with Vehicle Diagnosis, Testing and Information System -VAS 5051B-, refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000) .
31. Left Temperature Door Motor -V158- Checking: Vehicle Diagnosis, Testing and Information System -VAS 5051B- Removing and Installing, refer to «LEFT TEMPERATURE DOOR MOTOR -V158»(ref-460602-S41824330112012032900000) Replacing: perform a basic setting with Vehicle Diagnosis, Testing and Information System -VAS 5051B-, refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000)
32. Control Motor Passat from MY 06 Central Air Door Motor -V70-. Passat CC from MY 09 Front Air Distribution Door Motor -V426-. Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing and installing, refer to «CENTRAL AIR DOOR MOTOR -V70- OR FRONT AIR DISTRIBUTION DOOR MOTOR -V426»(ref-460602-S26272509432012032900000) . Replacing: perform a basic setting with Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000) .
33. Heating and A/C Unit Removing and installing, refer to «HEATING AND A/C UNIT»(ref-460602-S35634872392012032900000) . Disassembling and assembling, refer to «HEATER AND A/C UNIT, CLIMATRONIC»(ref-460602-S38411326892012032900000) .
34. Indirect Ventilation Door Control Motor -V213- Check using Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Removing, refer to «INDIRECT VENTILATION DOOR MOTOR -V213»(ref-460602-S13732546382012032900000) . Replacing: perform a basic setting with Vehicle Diagnosis, Testing and Information System -VAS 5051B-. Refer to «CLIMATRONIC A/C SYSTEM, CHECKING AND ADJUSTING COMPONENTS»(ref-460602-S08419284092012032900000) .

Scheme 7

1. Display Of Selected Interior Temperature, Left Side
2. Recirculating Air Mode Button Press button for recirculating air function to prevent polluted air from entering interior.
3. Button - Center Air Distribution
4. Button - Lower Air Distribution
5. Button - Upper Air Distribution
6. Display Of Selected Interior Temperature, Right Side
7. Recirculating Air Mode Or Automatic Recirculating Air Mode Button Press button for recirculating air function to prevent polluted air from entering interior. Vehicles through 05.07. Pressing the recirculation button again activates the automatic recirculation function. NOTE: Only for vehicles with an Air quality sensor -G238-. Air quality sensor -G238- function, refer to «AIR QUALITY SENSOR -G238»(ref-460602-S21634530472012032900000) .
8. Windshield Defroster Button
9. Push Button For Rear Window Defroster
10. Left Interior Temperature Knob
11. Blower Regulator Changed blower speed by turning.
12. DUAL Button For vehicles from calendar week 28 May 2007. If the indicator light in the button comes on, different temperatures can be set for left and right. When the Dual button is pressed (the indicator lamp turns off), then the temperature setting for the driver seat will also apply to the front passenger seat.
13. Interior Temperature Sensor
14. A/C ON/OFF Button or OFF Button Information regarding vehicles through 05.21.07 and from 05.28.07, refer to «CLIMATRONIC A/C SYSTEM WITH AUTOMATIC CONTROL»(ref-460602-S38954552312012032900000) .
15. AUTO Button By pressing the AUTO button, Climatronic maintains the selected vehicle interior temperature completely automatically. With this setting the vent air temperature, the blower speed and the air distribution are controlled automatically.
16. AC Button Vehicle from 21 May 2007. Push the AC button to turn on or turn off the A/C. When the light in the button is on, the air conditioner compressor is switched on. Information regarding vehicles through 05.21.07 and from 05.28.07, refer to «CLIMATRONIC A/C SYSTEM WITH AUTOMATIC CONTROL»(ref-460602-S38954552312012032900000) .
17. ECON Button Vehicles through 05.21.07: Push the ECON button to turn on or turn off the A/C. When the light in the button is on, the air conditioner compressor is switched on.
18. Right Side Interior Temperature Control

REFRIGERANT CIRCUIT COMPONENTS OVERVIEW

Scheme 8

1. A/C Compressor Manufacturer Sanden, Identification PXE16 Manufacturer Zexel, Identification DSC17E Manufacturer Denso, Identification 6SEU14 Manufacturer Delphi, Identification 6CVC140 Pay attention to notes for installing A/C compressor. Refer to «A/C COMPRESSOR, INSTALLATION INFORMATION»(ref-460602-S16485065302012032900000) . Removing and installing, refer to «A/C COMPRESSOR»(ref-460602-S04257965942012032900000) .
2. Condenser Removing and installing, refer to «CONDENSER»(ref-460602-S00628295262012032900000) .
3. Fluid Reservoir With Dryer Cartridge NOTE: Under certain conditions, the dryer cartridge should no longer be replaced each time the refrigerant circuit is opened. Refer to «REPLACING RESERVOIR/FLUID RESERVOIR OR DRYER CARTRIDGE, CONDITIONS»(ref-460634-S10297964352012032900000) . The fluid reservoir with dryer cartridge is mounted on the right or left side on the condenser depending on the engine type. Removing and installing, refer to Passat «FLUID RESERVOIR DRYER CARTRIDGE»(ref-460602-S20359446372012032900000) or Passat CC .
4. High Pressure Sensor -G65- Removing, refer to «HIGH PRESSURE SENSOR -G65»(ref-460602-S37728284032012032900000) .
5. Bracket
6. Evacuating and Charging Valve High pressure side. Environmentally hazardous draining of refrigerant is an offense punishable by law. Removing, refer to «EVACUATING AND CHARGING VALVE, LOW AND HIGH PRESSURE SIDES»(ref-460602-S13023147032012032900000) . Capacities, refer to «SPECIFICATIONS»(ref-460602-S03494930592012032900000) .
7. Retainer
8. Evacuating and Charging Valve Low pressure side. Environmentally hazardous draining of refrigerant is an offense punishable by law. Removing, refer to «EVACUATING AND CHARGING VALVE, LOW AND HIGH PRESSURE SIDES»(ref-460602-S13023147032012032900000) . Capacities, refer to «SPECIFICATIONS»(ref-460602-S03494930592012032900000) .
9. Expansion Valve Removal and function, refer to «EXPANSION VALVE»(ref-460602-S21088331942012032900000) .
10. Hex Head Nut 20 Nm
11. Bracket