RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Control Module HVAC: Component Tests and General Diagnostics
Test Step 8
Test Step 8
Input for activation signals for activating the Climatronic control module (J255) A/C control head (e.g. from a retrofitted parking heater)
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Not applicable for USA
‹› Only a parking heater approved by Audi should be subsequently installed. Depending on the version, this can be configured for data exchange with
the Climatronic control module (J255) A/C control head via the comfort data bus system (see the parking heater installation instructions). Not
applicable for USA
‹› If the Climatronic control module (J255) A/C control head remains in operation after the ignition is switched off and the display "1" appears in the
measured value block display group "022", identify and correct a short circuit to positive to connector "D" terminal "10".
‹› Depending on the version, only original Audi parking/auxiliary heaters can be activated via the comfort data bus system and exchange data with
another control module connected to this bus system. Not applicable for USA
‹› Commonly available parking heaters cannot exchange data via the comfort data bus system. These parking heaters may not be connected to the
comfort data bus system. Not applicable for USA
