S 550 (221.171) V8-5.5L (273.961) (2007)
Cabin Temperature Sensor / Switch: Description and Operation
GF83.57-P-2127SX In-car Temperature Sensor, Component Description
Component Identification
Location
The in-car temperature sensor is located in the area of the steering wheel below the trim strip of the instrument pane
Task
The in-car temperature sensor is used to detect the temperature in the vehicle interior.
Function
The in-car temperature sensor consists of a temperature dependent resistor which changes its resistance value as the temperature changes. This value is
used by the AAC [KLA] control unit (N22/1) to calculate the temperature in the vehicle interior.