FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Climatronic A/C System with Automatic Control Component Overview






Climatronic A/C System with Automatic Control Component Overview

Disconnect battery before removing components marked with **.

A data plate indicates the refrigerant used and capacity.





1 Dash panel **

Removing and installing

2 Sunlight Photo Sensor (G107) or Sunlight Photo Sensor 2 (G134)

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Tasks: controls temperature door and fresh air blow depending on light intensity

Emergency running in event of failure: Climatronic Control Module (J255) utilizes a fixed value

Removing and installing => [ Sunlight Photo Sensors ] Service and Repair

3 Center vents

Removing and installing => [ Center Vent ] Vents

4 Right side vent

5 Air outlet

Removing and installing => [ Right or Left Vent ] Vents

6 Right Vent Temperature Sensor (G151)

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Removing and installing => [ Left and Right Vent ] Service and Repair

7 Climatronic Control Module (J255)

The Climatronic Control Module (J255) and the A/C Control Head (E87) are one component that cannot be disassembled.

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Removing and installing => [ A/C Display Control Head with Climatronic Control Module ] A/C Display Control Head with Climatronic Control Module

Replacing: Initiate Basic Setting function with Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model) => [ Climatronic A/C System with Automatic Control, Checking and Adjusting ] Climatronic A/C System with Automatic Control, Checking and Adjusting

8 Vehicles through 04.07 air flow door motor ( V71); from 05.07 fresh air/recirculating air/back pressure Door motor position sensor (V425)

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Removing and installing => [ Air Flow, through 04.07 ] Climatronic Control Motors on vehicles through 04.07

Removing and installing => [ Fresh Air/Recirculating Air/Back Pressure, from 05.07 ] Climatronic Control Motors on vehicles from 05.07

Replacing: Initiate Basic Setting function with Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model) => [ Climatronic A/C System with Automatic Control, Checking and Adjusting ] Climatronic A/C System with Automatic Control, Checking and Adjusting

9 Vehicles through 04.07 recirculation door motor (V113), from 05.07 the recirculation door motor (V113) is discontinued.

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Removing and installing => [ Recirculation ] Climatronic Control Motors

Replacing: Initiate Basic Setting function with Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model) => [ Climatronic A/C System with Automatic Control, Checking and Adjusting ] Climatronic A/C System with Automatic Control, Checking and Adjusting

10 Fresh Air Intake Duct Temperature Sensor (G89 )

only installed on vehicles through 12/05

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Function: Temperature sensor controls temperature door and fresh air blower depending on temperature

for removal, remove instrument panel

11 Right footwell vent

Removing and installing => [ Right Footwell Vent ] Vents

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

on vehicles from 11/05, Fresh Air Blower Control Module (J126) can be replace separately

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Fresh Air Blower (V2), removing and installing => [ Fresh Air Blower ] Service and Repair

Fresh Air Blower Control Module (J126), removing and installing => [ Fresh Air Blower Control Module ] Fresh Air Blower Control Module

13 Connector

14 Heating unit partition

Removing => [ Removing ] Heating Unit Partition

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 => [ Dust and Pollen Filter ] [1][2]Dust and Pollen Filter

17 Center console air duct connection (optional)

To remove, center console must be removed

18 Rear channel for right footwell

Removing and installing => [ Rear Footwell Channel ] Vents

19 Rear channel for left footwell

Removing and installing => [ Rear Footwell Channel ] Vents

20 Evaporator Temperature Sensor (G308) or Evaporator Vent Temperature Sensor (G263)

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

One or both of the component designations will appear, depending on software. The tasks are the same.

Removing and installing => [ Evaporator Vent ] Service and Repair

21 Right Temperature Door Motor (V159)

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Removing and installing => [ Right Temperature ] Climatronic Control Motors

Replacing: Initiate Basic Setting function with Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model) => [ Climatronic A/C System with Automatic Control, Checking and Adjusting ] Climatronic A/C System with Automatic Control, Checking and Adjusting

22 Auxiliary Heater Heating Element (Z35)

Only installed on vehicles with Diesel engine without auxiliary water heater

23 Heat exchanger

Removing and installing => [ Heat Exchanger ] Service and Repair

24 Central Air Door Motor (V70)

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Removing and installing => [ Central Air ] Climatronic Control Motors

Replacing: Initiate Basic Setting function with Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model) => [ Climatronic A/C System with Automatic Control, Checking and Adjusting ] Climatronic A/C System with Automatic Control, Checking and Adjusting

25 Left footwell vent

Removing and installing => [ Left Footwell Vent ] Vents

26 Left Temperature Door Motor (V158)

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Removing and installing => [ Left Temperature ] Climatronic Control Motors

Replacing: Initiate Basic Setting function with Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model) => [ Climatronic A/C System with Automatic Control, Checking and Adjusting ] Climatronic A/C System with Automatic Control, Checking and Adjusting

27 Left Footwell Vent Temperature Sensor (G261)

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Removing => [ Left Footwell Vent ] Service and Repair

28 Defroster Door Motor (V107)

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Removing and installing => [ Defroster ] Climatronic Control Motors

Replacing: Initiate Basic Setting function with Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model) => [ Climatronic A/C System with Automatic Control, Checking and Adjusting ] Climatronic A/C System with Automatic Control, Checking and Adjusting

29 Heating and A/C unit

Removing and installing => [ Heating and A/C Unit ] Heating and A/C Unit

Disassembling and assembling => [ Climatronic Heating and A/C Unit ] Climatronic Heating and A/C Unit

30 Right Footwell Vent Temperature Sensor (G262 )

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Removing => [ Right Footwell Vent ] Service and Repair

31 Left side vent

32 Left Vent Temperature Sensor (G150)

Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model)

Removing and installing => [ Left and Right Vent ] Service and Repair