CLIMATRONIC A/C System With Automatic Control Overview
NOTE:
Disconnect the battery before removing the components marked with **. Refer to [For transmission(s) 0A4, 02E, 09G, 02Q] Removal and Installation .
A data plate indicates the refrigerant used and capacity.
- Dash Panel **
- Removing and installing, refer to Removal and Installation .
- Sunlight Photo Sensor -G107- or Sunlight Photo Sensor 2 -G134-
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.
- Tasks: 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 SENSORS -G107- / -G134- .
- Indirect Ventilation
- Removing and installing, refer to CLIMATRONIC INDIRECT VENTILATION .
- Center Vents
- Removing and installing, refer to CENTER VENT .
- Right Side Vent
- Air Outlet
- Removing and installing, refer to RIGHT OR LEFT VENT .
- Right Vent Temperature Sensor -G151-
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.
- Removing and installing, refer to LEFT AND RIGHT VENT TEMPERATURE SENSORS -G151- / -G150- .
- Climatronic Control Module -J255-
- The Climatronic Control Module and the Front A/C display control head -E87- are one component that cannot be disassembled.
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.
- Removing and installing, refer to CLIMATRONIC A/C CONTROLS .
- Replacing, initiate Basic Setting function with Vehicle Diagnosis, Testing and Information System BVAS 5051. Refer to CLIMATRONIC, CHECKING AND ADJUSTING COMPONENTS .
- Vehicles Through 04.07 Air Flow Door Motor -V71- ; From 05.07 Fresh Air/Recirculating Air/Back Pressure Door Motor Position Sensor -V425-
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.
- Removing and installing, refer to AIRFLOW DOOR MOTOR -V71-, THROUGH 04.07 on vehicles through 04.0.
- Removing and installing, refer to FRESH AIR/RECIRCULATING AIR/BACK PRESSURE DOOR MOTOR -V425-, FROM 05.07 on vehicles from 05.07.
- Replacing, initiate Basic Setting function with the Vehicle Diagnosis, Testing and Information System VAS 5051B. Refer to CLIMATRONIC, CHECKING AND ADJUSTING COMPONENTS .
- Vehicles Through 04.07 Recirculation Door Motor -V113-, From 05.07 the Recirculation Door Motor -V113- is Discontinued.
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.
- Removing and installing, refer to RECIRCULATION DOOR MOTOR -V113- .
- Replacing, initiate Basic Setting function with Vehicle Diagnosis, Testing and Information System VAS 5051B. Refer to CLIMATRONIC, CHECKING AND ADJUSTING COMPONENTS .
- Fresh Air Intake Duct Temperature Sensor -G89-
- Only installed on vehicles through 12/05.
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.
- Task: Temperature sensor controls temperature door and fresh air blower depending on temperature.
- To disassemble, remove the instrument panel. Refer to Removal and Installation .
- Right Footwell Vent
- Removing and installing, refer to RIGHT FOOTWELL VENT .
- Fresh Air Blower -V2- with Fresh Air Blower Control Module -J126-
- On vehicles from 11.05, Fresh Air Blower Control Module can be replaced separately.
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.
- Fresh Air Blower, removing and installing, refer to FRESH AIR BLOWER -V2- .
- Fresh Air Blower Control Module, removing and installing, refer to FRESH AIR BLOWER CONTROL MODULE -J126- .
- Connector
- Heating Unit Partition
- Removing, refer to HEATING UNIT PARTITION .
- Cap
- Only in vehicles without air guide to vent installed in center console at rear.
- Dust and Pollen Filter
- With activated charcoal filter.
- Removing and installing, refer to DUST AND POLLEN FILTER .
- Center Console Air Duct Connection (Optional)
- The center console must be removed to remove it. Refer to Removal and Installation .
- Rear Channel For Right Footwell
- Removing and installing, refer to REAR FOOTWELL CHANNEL .
- Rear Channel For Left Footwell
- Removing and installing, refer to REAR FOOTWELL CHANNEL .
- Evaporator Temperature Sensor -G308- or Evaporator Vent Temperature Sensor -G263-
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.NOTE:
One or both of the component designations will appear, depending on software. The tasks are the same.
- Removing and installing, refer to EVAPORATOR TEMPERATURE SENSOR -G308- OR EVAPORATOR VENT TEMPERATURE SENSOR -G263- .
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.
- Right Temperature Door Motor -V159-
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.
- Removing and installing, refer to RIGHT TEMPERATURE DOOR MOTOR -V159- .
- Replacing, initiate Basic Setting using the Vehicle Diagnosis, Testing and Information System VAS 5051B. Refer to CLIMATRONIC, CHECKING AND ADJUSTING COMPONENTS .
- Auxiliary Heater Heating Element -Z35-
- Only installed on vehicles with Diesel engine.
- Heater Core
- Removing and installing, refer to HEATER CORE .
- Central Air Door Motor -V70-
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.
- Removing and installing, refer to CENTRAL AIR DOOR MOTOR -V70- .
- Replacing, initiate Basic Setting using the Vehicle Diagnosis, Testing and Information System VAS 5051. Refer to CLIMATRONIC, CHECKING AND ADJUSTING COMPONENTS .
- Left Footwell Vent
- Removing and installing, refer to LEFT FOOTWELL VENT .
- Left Temperature Door Motor -V158-
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051B.
- Removing and installing, refer to LEFT TEMPERATURE DOOR MOTOR -V158- .
- Replacing, initiate Basic Setting using the Vehicle Diagnosis, Testing and Information System VAS 5051. Refer to CLIMATRONIC, CHECKING AND ADJUSTING COMPONENTS .
- Left Footwell Vent Temperature Sensor -G261-
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051.
- Removing, refer to LEFT FOOTWELL VENT TEMPERATURE SENSOR -G261- .
- Defroster Door Motor -V107-
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051.
- Removing and installing, refer to DEFROSTER DOOR MOTOR V107 .
- Replacing, initiate Basic Setting using the Vehicle Diagnosis, Testing and Information System VAS 5051. Refer to CLIMATRONIC, CHECKING AND ADJUSTING COMPONENTS .
- Heating and A/C unit
- Removing and installing, refer to HEATING AND A/C UNIT .
- Disassembling and assembling CLIMATRONIC HEATING AND A/C UNIT .
- Right Footwell Vent Temperature Sensor -G262-
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051.
- Removing, refer to RIGHT FOOTWELL VENT TEMPERATURE SENSOR -G262- .
- Left Side Vent
- Left Vent Temperature Sensor -G150-
- Checking, refer to Vehicle Diagnosis, Testing and Information System VAS 5051.
- Removing and installing, refer to LEFT AND RIGHT VENT TEMPERATURE SENSORS -G151- / -G150- .