Fresh Air Blower Control Module (J126)

Fresh Air Blower Control Module (J126)

• The Fresh Air Blower Control Module can be replaced separately only on the version on which the two components are no longer cast with each other (running change in production as of model year 2007).

• The fresh air blower control module replacement part is available in different versions. Be sure to use the right one. Refer to the Electronic Parts Catalog.

• With ignition switched on and Fresh Air Blower (V2) actuated, fresh air blower control module connects Positive from terminal 4 of connector - C - to terminal 1 of connector - B -. Fresh Air Blower speed is regulated by fresh air blower control module via the ground connection between terminal 2 connector - B - and terminal 3 of connector - C -. Check using Vehicle diagnosis, testing and information system (VAS5051B) in "Guided Fault Finding".






Removing

- Remove the glove compartment.

- Remove screw clips - A - (different versions - C - and - D -) and remove insulation mat - B -.






- Disconnect connectors - B - and - C -.







Heat sink on Fresh Air Blower Control Module may be hot.

- Remove bolt - A -.

- Remove fresh air blower control module - D - from mount in Fresh Air Blower (V2).

Installing

Reinstall all removed components in the opposite sequence while observing the following:

• When installing, make sure the fresh air blower control module - D - fits correctly inside the fresh air blower mount.

• Make sure the fresh air blower control module and fresh air blower are working properly after they are installed.

- Check DTC memory of Climatronic Control Module (J255) and erase malfunctions displayed if necessary using Vehicle diagnosis, testing and information system (VAS5051B) in "Guided Fault Finding."

- Perform Basic Setting and output Diagnostic Test Mode (DTM) of A/C system and check DTC memory again using Vehicle diagnosis, testing and information system (VAS5051B) in "Guided Fault Finding."