Parktronic system (PTS) control unit, component description - GF54.65-P-5000SX
MODEL 221.0/1, 216.3 with CODE (220) Parktronic system (PTS) up to Model Year 08
Shown on model 221.0
Location
The PTS control unit is located behind the panel in the right luggage compartment.
Task
- Voltage supply and actuation
- of front PTS ultrasonic sensor (B8/1, B8/2, B8/3, B8/4, B8/5, B8/6)
- of rear PTS ultrasonic sensor (B8/7, B8/8, B8/9, B8/10)
- of rear PTS warning indicator (A44/3)
- Actuation of warning indicator in multifunction display (A1p13) in instrument cluster (A1)
- Evaluation of echo propagation times of ultrasonic sensors for calculation of distance to obstacle
- Bidirectional data transfer for rear warning indicator
- Data exchange over Interior CAN
- System check and treatment of fault
- Diagnosis of Parktronic system (PTS)
Discrete inputs
- Circuit 30
- Circuit 31
- Ultrasonic sensors
Discrete output
- PTS warning indicator, rear
Signal inputs over CAN
- Driving position recognition signal from intelligent servo module for DIRECT SELECT (A80)
- Vehicle speed signal from instrument cluster
- Ambient brightness signal from rain/light sensor (B38/2) over overhead control panel control unit (N70)
- Signal on manual deactivation or activation from PTS OFF switch (S6/2s12) over upper control panel control unit (N72/1)
- Signal for trailer recognition from trailer recognition control unit (N28/1) (with code (550) Trailer hitch)
Signal outputs over CAN
- Signal for actuation of warning indicator in multifunction display to instrument cluster
- Signal for muting audio components to COMAND controller unit (A40/3)
- Signal for actuation of LED in PTS OFF switch over upper control panel control unit