If the climate control unit has been replaced, or a new damper positioning motor has been installed, a basic setting must be performed. When the climate regulation basic setting is performed, the control unit learns the positioning motors end positions.
Test prerequisites:
Battery voltage above 11.5 V.
No faults stored.
Ignition ON.
Climate control unit ON.
The damper positioning motor connected and correctly mounted.
Procedure:
Start the function: Positioning motor exchange.
Check the values of the positioning motors.
When all positioning motors are presenting 0, the basic setting is completed.
If any of the positioning motors don´t take on the correct value, check the test prerequisites and repair possible fault codes.
Exit the function.