This function is used to check the climate control unit's function. Fan motor and dampers are operated to their end-positions in a sequence and lasts for approx. 1 minute. If any defect is detected during the test, fault codes will be generated and instructions issued to troubleshoot these.
Test conditions:
Ignition on.
Procedure:
Start the function.
Follow the instructions in the programme.
The function is done.
If the function fails, check the test conditions and repair any faults.