Basic setting of air conditioning system


Depending on the repair, one or several basic adjustments of the system have to be performed.

There are the following three basic adjustments for the climate control unit:

  1. "New addressing flap motors"

  2. "Teach-in end-position flap motors"

  3. "Check cooling performance / compressor run-in"

This function is used when:

Note:

Test conditions:

Procedure:

  1. Start the function.

  2. Air conditioning display flashes, or AC-button (depending on equipment).

    During basic setting the following measuring values are shown:

    • Outdoor temperature

    • Refrigerant pressure

    • Compressor current

    • Temperature after evaporator

  3. When basic setting is finished the indication turns off in the air conditioning display, or AC-button, and the measuring value for outdoor temperature switches to done, (basic setting takes up to 5 minutes).

  4. Exit the function. Turn the ignition off and then on again, press "AUTO" on the air conditioning unit and wait approx. 15 seconds for any fault codes to be stored.

  5. Re-establish communication and check that no fault codes are stored.

  6. If basic setting is not finished correctly, repeat the function with an engine rpm of approx. 2000 rpm.