IHKA (Integrated Automatic Heating/Air Conditioning System): Notes
This functional description covers the integrated automatic heating and air conditioning system. The IHKA is a heating and A/C system regulated on the on air side. The interior temperature is picked up by two independent temperature sensors. The sunlight level is picked up by the solar sensor. The IHKA is used to adapt the in-vehicle climate to the individual needs of the passengers. Information is exchanged between the vehicle components involved via the body CAN data bus.
There are no differences for left-hand drive and right-hand drive vehicles. The control module with operating unit is always fitted in the same position in the vehicle.
The control module has the following functions (see also individual functional descriptions):