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Control and indication panel Climatronic control unit (01320) J255 : removing and installing > < Solar radiation photosensor (00797-3241) G107 : removing and installing

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Climatronic control unit (01320)J255: operation, removing and fitting
Climatronic control unit (01320) -J255-: operation, removing and fitting
–  Climatronic control unit (01320) -J255-: removing and installing → Chapter.
  Note!
t  The control and indication panel Climatronic control unit (01320) -J255- may be described in the current circuit diagrams as Control unit for Climatronic (01320) -J255-.
t  When replacing a control and indication panel Climatronic control unit (01320) -J255-, note the exact allocation. → Parts catalogue.
   
t  Different versions of the Climatronic control unit (01320) -J255- exist in vehicles with a button for deactivation of the air conditioning regulation (OFF), with or without regulator for the thermal seats, with or without radio and navigation system (or radio with large controls). Therefore, note the code letter of the part number → Parts catalogue.
t  After fitting the Climatronic control unit (01320) -J255-, carry out the basic adjustment setting following the instructions → Vehicle diagnosis, testing and information system VAS 5051.
t  If a new Climatronic control unit (01320) -J255- and the basic adjustment has not been done, the regulation of the Climatronic control unit (01320) -J255- is limited and recorded as a fault in the fault memory → Vehicle diagnosis, testing and information system VAS 5051.
t  The illumination of the indication fields and the control buttons takes place in the Climatronic control unit (01320) -J255- using LEDs; they cannot be replaced.
t  Check, in case of a false measurement from the Temperature sensor - instrument panel (00785-3211) -G56-, the moulding of the Climatronic control unit (01320) -J255-, (ensure it is not covered).
t  Functions selected are indicated by the activation of light-emitting diodes (LEDs) in the various buttons of the Climatronic control unit (01320) -J255-.
t  Following replacement of the Climatronic control unit (01320) -J255-; always carry out the following operations:
t  perform basic setting adjustment.
t  test the coding.
t  check adjustment if necessary.
t  interrogate fault memory → Vehicle diagnosis, testing and information system VAS 5051.
t  The temperature indication on the control panel of the Climatronic control unit (01320) -J255- (in °C or °F) is defined by the coding. The indication may change as described below:
  E87-10015
t  With the ignition on, press both keys AUTO and ECON and keep them pressed for several seconds.
t  The temperature indication changes from °C to F ° or vice versa.
  E87-10015

Control and indication panel Climatronic control unit (01320) J255 : removing and installing > < Solar radiation photosensor (00797-3241) G107 : removing and installing