Left Temperature Door Motor -V158-, REMOVING AND INSTALLING: Installing

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

-- Mount the toothed gear -C- on the shaft -E- of the actuator -B-.

Fig 1: Removing/Installing Toothed Gear -C-

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The actuator does not have a stop, therefore the toothed gear -C- can be mounted on the actuator shaft at any position.

-- Bring the toothed gear -F- (in the temperature door shaft) all the way to the stop into the shown position (by turning in the direction of the -arrow-).

Fig 2: Bring Toothed Gear All Way To Stop

Courtesy of AUDI OF AMERICA, LLC

-- Insert the guide -G- (on the bracket -E- with the actuator) into the bracket -H- (on the A/C unit).

-- Slide the bracket -E- opposite the direction of the -arrow- to the toothed segment -F- and insert the pin -D- (on the actuator bracket -E-) into the toothed segment -F- (temperature door shaft).

NOTE:

The actuator and the toothed gear -J- do not have a stop; therefore the toothed gear -J- can be joined to the toothed segment -F- (temperature door shaft) in any position.

-- Install the bolts -B-.

-- Connect the connector -C-.

-- Install the wiring harness so that it cannot come in contact with any moving parts (for example, the actuating arm).

-- Install the removed parts in the opposite order.

-- Turn on the ignition.

-- Perform a basic setting and the output diagnostic test mode for the A/C system using the Vehicle Diagnostic Tester in the "Guided Fault Finding " function.

NOTE:

On this vehicle, the actuators are equipped with electronics. During the basic setting, a new actuator learns its position on the A/C unit and can then be activated by the Climatronic Control Module -J255- A/C display and control head (currently all actuators are identical) using the Vehicle Diagnostic Tester in the "Guided Fault Finding" function.

During the basic setting, the actuators are assigned and adapted corresponding to the switching sequence of the wiring. If this sequence does not conform the specification, the adjustment motors will adapt incorrectly and the door control will be wrong. Refer to MAIN WIRING DIAGRAM FOR A/C SYSTEM ACTUATORS (A/C system actuators block diagram).

-- Check the DTC memory for the Climatronic Control Module -- A/C display and control head and erase any displayed malfunctions, if necessary using the Vehicle Diagnostic Tester in the "Guided Fault Finding " function.