CLIMATRONIC Control Module

NOTE:

Different versions of the Climatronic Control Module -J255- depending on the time of production, the equipment level and vehicle version. Pay attention to the correct allocation; if this is not OK, then this can lead to DTC entries and complaints regarding the A/C system control, refer to CLIMATRONIC CONTROL MODULE (installation of the different versions of the Climatronic control module).

Removing

-- Check coding and adaptation of Climatronic control module via the "Replace control module" function of Guided Fault Finding (in the event that Climatronic control module is to be replaced) using Vehicle Diagnosis, Testing and Information System VAS 5051.

-- Switch off ignition.

On vehicles without Radio-Navigation system or without radio with large control panel

Fig 1: Identifying Control Panel, Instrument Cluster, And Radio

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-- Remove the trim -A- under the Climatronic control module in the instrument panel and the radio -B-). Refer to Removal and Installation and Removal and Installation .

-- Carefully lift connecting rib -A- to disengage lugs -B-.

Fig 2: Identifying Connecting Rib And Lugs

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-- Reach into center console from above (and below) and disengage Climatronic control module -C- from center console.

Fig 3: Identifying Control Panel, Instrument Cluster, And Radio

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On vehicles with Radio-Navigation system or with a radio with large control panel

Fig 4: Identifying A/C Control Head Climatronic Control Module And Radio Navigation System

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-- Remove radio or radio navigation system. Refer to Removal and Installation .

-- Remove the trim -B- above theClimatronic control module) in the center of the instrument panel. Refer to Removal and Installation .

NOTE:

Remove the trim -A- under the Climatronic control module only after removing it. Refer to Removal and Installation .

-- Carefully lift connecting rib -A- to disengage lugs -B-.

Fig 5: Identifying Connecting Rib And Lugs

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-- Reach into center console from above (and below) and disengage Climatronic control module -C- from center console.

Fig 6: Identifying A/C Control Head Climatronic Control Module And Radio Navigation System

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-- Disconnect connectors -A- to -D- by pressing catches -E- and remove them.

Fig 7: Identifying Connectors And Catches

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NOTE:

Climatronic control module is secured in center console by 4 retaining clips -F- (2 each at top and bottom).
If Instrument Panel Interior Temperature Sensor -G56- sends incorrect measurements, check intake grille on panel of Climatronic control module (it must not be sealed) and function of Interior Temperature Sensor Fan -V42-.
When replacing an Climatronic control module, observe exact allocation (e.g. with or without controls for heated seats, etc.).

Installing

To installed, perform the steps done during removal in reverse order. Note the following:

-- On the Audi A3 Cabrio, apply a felt strip on the Climatronic control module -A- on the right and left side as illustrated -B- (dimensions: 30 x 15 x 1 mm).

Fig 8: Identifying Climatronic Control Module Felt Strip

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NOTE:

The felt strip -B- is applied to the area with the open surface.

-- After installing check the DTC memory of the Climatronic control module and erase any displayed malfunction if necessary using Vehicle Diagnosis, Testing and Information System VAS 5051 in "Guided Fault Finding" function.

-- Perform a basic setting, coding, an adaptation and if necessary, the output diagnostic test on the Climatronic control module using Vehicle Diagnosis, Testing and Information System VAS 5051 under "Guided Fault Finding".