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Auxiliary air heater control unitZ35 Vehicles ??11.2006: Removing and installing. > < Removing and installing dust and pollen filter

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Removing and installing temperature flap control motorV68 with potentiometer for temperature flap control motorG92
Removing and installing temperature flap control motor -V68- with potentiometer for temperature flap control motor -G92-
  Note
t  Check the function of the servomotor as follows: connect both contacts „5“ and „6“ to a plug of the control motor to a 12 V direct current voltage source. Control motor then moves only in one direction as far as stop. Interchanging positive and negative reverses direction. Use an adapter lead for this purpose → Chapter.
t  Following the fitting of a new servomotor, carry out the basic adjustment of the air conditioning → Vehicle diagnostic tester.
t  With the function „basic adjustment“ additional tests can be done for the activation of the air conditioning electric components, for example, that they are not mixed up → Vehicle diagnostic tester.
Removal:
–  Disconnect battery → Electrical system; Rep. gr.27.
–  Remove the bottom section of the steering wheel housing according to the version of the model → Bodywork, interior fitting work; Rep. gr.68.
   
–  Remove the driver side footwell trim according to the figure → Bodywork, interior fitting work; Rep. gr.68.
–  Remove the vent from the foot well area on the left side → Chapter.
  Note
The dash panel insert is not illustrated in the figure to provide a better overview of the parts to be removed.
  E87-10073
–  Remove bracket for fixing the tunnel -B-, remove the dash panel insert → Bodywork, interior fitting work; Rep. gr.70
–  -1- Remove the Data bus diagnostic interface -J533- → Electrical system; Rep. gr.97
  E80-10031
–  Remove bracket -A- for fixing the dash panel insert → Bodywork, interior fitting work; Rep. gr.70
–  Unscrew bolts -B-.
–  Unplug connector -A-.
–  Detach control motor -C-.
Installation
–  Insert the sprocket -D- into the allotment -E-
Re-install all parts removed in reverse order; note the following:
–  Route wiring harness so that it cannot come into contact with moving components (e.g. control motor lever).
  Note
t  All cable ties and other electric wiring harness fasteners released or severed when removing the air conditioner unit are to be re-attached in the same position on fitting.
t  Use the respective tightening torques.
–  Consult the fault memory of the Climatronic control unit -J255- and erase the faults that appear → Vehicle diagnostic tester.
–  Carry out the basic adjustment and diagnostic of the air conditioning actuators the consult the fault memory once again → Vehicle diagnostic tester.
  A87-0701

Auxiliary air heater control unitZ35 Vehicles ??11.2006: Removing and installing. > < Removing and installing dust and pollen filter