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Passenger Compartment A/C System, Climatronic






Passenger Compartment A/C System, Climatronic

Disconnect the battery before removing any components marked with **.

A data plate indicates the refrigerant used and capacity.






1 Dash Panel **

2 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 or Sunlight Photo Sensor 2 ] Service and Repair.

3 Center Vents

Removing and installing, refer to => [ Center Vent ] Center Vent.

4 Right Side Vent

5 Air Outlet

Removing and installing, refer to => [ Right or Left Vent ] Right or Left Vent.

6 Right Vent Temperature Sensor (G151)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing and installing, refer to => [ Left and Right Vent Temperature Sensors ] Left and Right Vent Temperature Sensors.

7 Climatronic Control Module (J255)

The Climatronic control module and the Front A/C display control head (E87) are a single unit and cannot be disassembled.

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing and installing, refer to => [ Front A/C Display Control Head/Climatronic Control Module ] Front A/C Display Control Head (E87)/Climatronic Control Module (J255).

Replacing: perform a basic setting using Vehicle Diagnosis, Testing and Information System (VAS 5051B) => [ Climatronic A/C System Components, Checking and Adjusting ] Adjustments.

8 Back Pressure Door Motor (V71)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing and installing, refer to => [ Airflow Door Motor ] Airflow Door Motor (V71).

Replacing: perform a basic setting using Vehicle Diagnosis, Testing and Information System (VAS 5051B) => [ Climatronic A/C System Components, Checking and Adjusting ] Adjustments.

9 Fresh/Recirculating Air Door Motor (V154)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing and installing, refer to => [ Fresh/Recirculation Air Door Motor/ ] Fresh/Recirculation Air Door Motor (V154)/(V425).

Replacing: perform a basic setting using Vehicle Diagnosis, Testing and Information System (VAS 5051B) => [ Climatronic A/C System Components, Checking and Adjusting ] Adjustments.

10 Fresh Air Intake Duct Temperature Sensor (G89)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Temperature sensor controls temperature door and fresh air blower depending on temperature.

It is necessary to remove the instrument panel in order to remove and install the fresh air intake duct temperature sensor.

11 Right Footwell Vent

Removing and installing, refer to => [ Right Footwell Vent ] Right Footwell Vent.

12 Fresh Air Blower (V2) with Fresh Air Blower Control Module (J126)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing and installing, refer to => [ Fresh Air Blower ] Fresh Air Blower (V2).

13 Connector

14 Heating Unit Partition

Removing, refer to => [ Removing Heater Partition ] Passenger Compartment Heating Overview.

15 Sealing Caps

Only in vehicles without air guide to vent installed in center console at rear.

16 Dust and Pollen Filter

With activated charcoal filter.

Removing and installing, refer to => [ Dust and Pollen Filter ] Service and Repair.

17 Connection

For center console air guide.

To remove, center console must be removed.

18 Rear Channel For Right Footwell

Removing and installing, refer to => [ Rear Footwell Channel ] Rear Footwell Channel.

19 Rear Channel For Left Footwell

Removing and installing, refer to => [ Rear Footwell Channel ] Rear Footwell Channel.

20 Evaporator Temperature Sensor (G308)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing and installing, refer to => [ Evaporator Temperature Sensor ] Service and Repair.

21 Right Temperature Door Motor (V159)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing and installing, refer to => [ Right Temperature Door Motor ] Right Temperature Door Motor (V159).

Replacing: perform a basic setting with the Vehicle Diagnosis, Testing and Information System (VAS 5051B) => [ Climatronic A/C System Components, Checking and Adjusting ] Adjustments.

22 Auxiliary Heater Heating Element (Z35)

Only installed on vehicles with Diesel engine without auxiliary water heater.

23 Heat Exchanger

After replacing heater core, replace all the coolant.

Heat Exchanger, removing and Installing, refer to => [ Heat Exchanger ] Heat Exchanger.

24 Central Air Door Motor (V70)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing and installing, refer to => [ Central Air Door Motor ] Central Air Door Motor (V70).

Replacing: perform a basic setting with the Vehicle Diagnosis, Testing and Information System (VAS 5051B) => [ Climatronic A/C System Components, Checking and Adjusting ] Adjustments.

25 Left Footwell Vent

Removing and installing, refer to => [ Left Footwell Vent ] Left Footwell Vent.

26 Left Temperature Door Motor (V158)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing and installing, refer to => [ Left Temperature Door Motor ] Left Temperature Door Motor (V158).

Replacing: perform a basic setting with the Vehicle Diagnosis, Testing and Information System (VAS 5051B) => [ Climatronic A/C System Components, Checking and Adjusting ] Adjustments.

27 Left Footwell Vent Temperature Sensor (G261)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing, refer to => [ Left Footwell Vent Temperature Sensor ] Left Footwell Vent Temperature Sensor (G261).

28 Defroster Door Motor (V107)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing and installing, refer to => [ Defroster Door Motor ] Defroster Door Motor (V107).

Replacing: perform a basic setting with the Vehicle Diagnosis, Testing and Information System (VAS 5051B) => [ Climatronic A/C System Components, Checking and Adjusting ] Adjustments.

29 Heating and A/C Unit

Removing and installing, refer to => [ Heating and A/C Unit, Climatronic ] Heating and A/C Unit, Climatronic.

Disassembling and assembling, refer to => [ Heater and A/C Unit, Climatronic ] Heater and A/C Unit, Climatronic.

30 Right Footwell Vent Temperature Sensor (G262)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing, refer to => [ Right Footwell Vent Temperature Sensor ] Right Footwell Vent Temperature Sensor (G262).

31 Left Side Vent

32 Left Vent Temperature Sensor (G150)

Check using Vehicle Diagnosis, Testing and Information System (VAS 5051B).

Removing and installing, refer to => [ Left and Right Vent Temperature Sensors ] Left and Right Vent Temperature Sensors.