When replacing the "HVAC" control unit, a calibration process must be run on the system.
Note:
Do not adjust any controls on the climate control system during teach-in, if it is cancelled it may disrupt the "HVAC" system's function.
Test conditions:
Ignition on, engine off.
No faults in the system.
Procedure:
Start the function.
Follow the instructions in the program.
The function is done.
If the function fails, check the test conditions and repair any faults.