Note
Information regarding the Windshield Defogger Control Module
-J505- and activation of the Windshield Defogger -Z2-. Refer to
→ Chapter "Windshield Defogger".
Removing
- Turn
Function of Air Quality Sensor -G238-
Note
There are different versions of the Air Quality Sensor
-G238-/ humidity sensor in Fresh Air Intake Duct -G657--A-.
Therefore, ensure the correct
Air Quality Sensor -G238- with the Humidity Sensor In Fresh Air Intake
Duct -G657-, Removing and Installing
Note
There are different versions of the Air Quality Sensor
-G238-/ Humidity Sen
To complete the procedure, a second technician is required to be at
the following position.
Depending on the equipment version, the following additional work must be
performed.
Special tools and workshop equipment
required
Hose Clamps - Up To 25 mm -3094-
Engine Bung Set -VAS6122-
Remov
Capacities
Refrigerant R134a and refrigerant oil. Refer to
→Fluid Capacity Tables; Rep. Gr.03.
Note
Pay attention to the different capacities for refrigerant
R134a in vehicles without a rear heater and A/C unit (with an
evaporator) and in vehicles with a rear heater and A/C unit
(w