SL 500 (230.475) V8-5.0L (113.963) (2004)
Component Identification
GF83.10-P-2178-01R Defroster Vent Flap Actuator, Function
GF83.10-P-2178-01R Defroster Vent Flap Actuator, Function
- with CODE (581) Automatic air conditioning
Function
The left and right defroster vent flap actuator motors (M16/13) and (M16/14) are controlled via the A/C databus by the AAC pushbutton control module
(N22) and thus actuate the defroster vent flaps, which assume the following positions to match different requirements:
Defrost function
Defroster nozzle flap open 100 %.
REST function
Defroster vent flap open 50 %.
System switched off
Defroster vent flap open 100 %. (This limp-home capability ensures that the windshield and the side windows will not fog up even when a malfunction
has occurred
Automatic flap regulation (AUTO buttons retracted)
The defroster vent flaps are opened depending on the following values
^
Blending air flap setting
^
Coolant temperature
^
Evaporator temperature