Comfort Climatronic Control Module

Comfort Climatronic Control Module

• Display unit of temperature display of Climatronic control module °C or °F is specified by the MMI (Multi Media Interface) via the Comfort CAN-Bus system and by the setting entered there. The setting can be modified via the MMI by entering via "Car", "Setup", "Setting". Refer to the Owner's Manual and Owner's Manual Infotainment/MMI.

• The Climatronic control module Comfort version - A - is available in different versions (for example, with or without seat heater button). Refer to the Electronic Parts Catalog.






• On the Climatronic control module A/C control head Comfort version - A -, both control knobs - D - can be pulled off and thereby be replaced individually. Refer to the Electronic Parts Catalog.

• For a faulty measurement by Instrument Panel Interior Temperature Sensor (G56) (installed only on Climatronic control module Comfort version - A -), check intake grille - B - of trim panel for Climatronic control module, (it must not be closed) and function of Interior Temperature Sensor Fan (V42) using the Vehicle Diagnosis, Testing and Information System VAS5051 in the "Guided Fault Finding" function.

• Climatronic control module Comfort version can be set into operation for a certain period of time (up to approximately 30 minutes) after switching off ignition by operating the Econ, On/Off button (the operating time is dependent on the battery charge state, it is approximately 10 minutes). Refer to the Owner's Manual.

• From model year 2010, the Climatronic control module with part number 4L0 820 043 from index AA will be installed as a running change. Refer to the Electronic Parts Catalog. On vehicles with these front A/C control heads, the screen in the MMI display will not switch to A/C system when the buttons and knobs on the front A/C control head are pressed. The selected A/C system functions are shown in the running display. Certain A/C system functions in these vehicles will be selected and activated with the rotary push buttons on the MMI unit. Refer to the Owner's Manual and Infotainment/MMI Owner's Manual. The A/C button is available on these front A/C control heads instead of the Setup button. Refer to the Owner's Manual.

• On vehicles that have a Climatronic control module without the Setup button, the additional functions are selected through the Multi Media Interface (MMI) terminal in the A/C system function. Refer to the Owner's Manual and Infotainment/MMI Owner's Manual.

• Note the correct allocation of the Climatronic control module for the Front Information Display Control Head Control Module (J523) or for the Information Electronics Control Module 1 (J794). Refer to the Electronic Parts Catalog (different versions). If the allocation is incorrect, various A/C system functions cannot be displayed and selected in the MMI.