GF54.21-P-6060TX Lower Control Panel Control Unit, Component Description

GF54.21-P-6060TX Lower Control Panel Control Unit, Component Description
- with CODE (219) Distronic (DTR)
- with CODE (228) Stationary heater
- with CODE (220) PARKTRONIC
- with CODE (489) AIRmatic (semi-active air suspension)

Component Identification:

Location
The lower control panel control unit is located in the center console between the front seats.

Design
The following controls are integrated in the lower control panel control unit:
^ DTR distance potentiometer (with code (219) Distronic (DTR)) (N72r1)
^ DTR switch (with code (219) Distronic (DTR)) (N72s9)
^ STH switch (with code (228) stationary heater) (N72s12)
^ PTS OFF switch (with code (220) Parktronic system (PTS)) (N72s13)
^ Level adjustment switch (with code (489) AIRmatic (semi-active air suspension)) (N72s18)
^ Comfort and sport switch (with code (489) AIRmatic (semi-active air suspension)) (N72s25)

Task
^ Activating, deactivating and adjusting the distance for the Distronic (adaptive cruise control) (DTR)
^ Switching the stationary heater (STH) on and off
^ Switching the Parktronic system (PTS) on and off
^ Activating, deactivating and adjusting the air suspension
(AIRmatic)

The lower control panel control unit is connected with the Controller Area Network Bus Class B (interior) (CAN-B) for the purpose of data exchange.

Scanning the following signals
^ Circuit 30
^ Circuit 31
^ Integrated switches and DTR distance potentiometer

Actuating the following functions
^ Switch and controls illumination for the integrated switches and the DTR distance potentiometer
^ Function indicator for the integrated switches