Aspirator: Service and Repair

Interior Temperature Sensor Fan (V42)

• The same Interior Temperature Sensor Fan - B - is currently installed in both versions of the Climatronic Control Module (J255) ("Basis" - E - and "Comfort" - F -) The blowers run at different rpm's (approximately 2,500 to 3,200 rpm on the "Basic" A/C system and approximately 2,800 to 3,500 rpm on the "Comfort" A/C system) due to the different installation locations of the A/C Control Head. Check using the Vehicle diagnostic tester in "Guided Fault Finding".






• Depending on the version of the Climatronic control module there may be a molded seal - C -. Install if necessary.

Removing

- Remove the Climatronic control module. Refer to => [ Climatronic Control Module (J255) A/C Control Head ] Climatronic Control Module (J255) A/C Control Head.

- Remove bolts - A -.

- Remove the interior temperature sensor fan - B - out of the Climatronic control module.

Installing

Installation is carried out in the reverse order while observing the following.

- When installing interior temperature sensor fan, do not press on the fan wheel - D -, hold fan firmly at housing instead.

- Switch on the ignition.

- Check the Climatronic control module DTC memory and erase any displayed malfunctions if necessary. Refer to the Vehicle diagnostic tester in "Guided Fault Finding".