Overhead control panel control unit, purpose - GF82.20-P-4101-02I

Measuring in-car temperature, purpose 

The inside sensor blower in the overhead control panel control unit (N70) is actuated upon request of the automatic air conditioning control and operating unit via the CAN interior. First perform diagnosis on sensor blower.

The overhead control panel control unit (N70) then returns the status and the measured interior temperature to the automatic air conditioning control and operating unit via the CAN interior.

The automatic air conditioning control and operating unit also requests that the blower be turned on upon certain operating conditions even if the ignition is switched off (e.g., residual engine heat utilization).

Comfort closing, purpose 

If comfort closing is activated by pressing the air recirculation button ( ) or the activated charcoal filter button ( ) ≥ 1.5 s, a signal is sent to the overhead control panel control unit (N70) via the CAN interior, whereupon the position of the tilting/sliding roof (SR) (M12) is stored and, if the tilting/sliding roof is open (SHD) (M12), it is closed automatically.

If the button is pressed again for ≥ 1.5 seconds, the tilting/sliding roof (SR) (M12) returns to the previously saved position.