RPAS is a Rear Parking Assistant System. It has a supersonic sensor which radiates supersonic to rear side of the vehicle to detect supersonic reflected from an obstacle. It consist of 4 sensor and calculates distances between vehicle and obstacle if it detects reflected supersonic. BCM receive the signal of calculated distances by LIN communication. It warns being obstacle to drivers through buzzer or displaying on cluster according to distance from obstacle. Warning level is divided into 3 step. (warning level rises progressively according to distance from obstacle)
This code reports an error in LIN line. The purpose is to verify the status of RPAS UNIT, Sensor and Wire when error is detected at RPAS of Rear Center Left Sensor.
Item
Detecting Condition
Possible Cause
DTC Strategy
Signal output of Rear Center Left Sensor and LIN line checking
TX line of RPAS-CLH(Rear Center Left Sensor) open or poor connection
Ground line of RPAS-CLH(Rear Center Left Sensor) open or poor connection
Power line of RPAS-CLH(Rear Center Left Sensor) open or poor connection
Replace a sensor after checking a wire of RPAS-CLH(Rear Center Left Sensor)
Enable Conditions
IG KEY ON, Shift lever R
Threshold Value
Sensor fault
LIN communnication fault
Poor connection
LIN line open
Diagnostic Time
Immediately (1 check lasts 0.3 sec after IG KEY ON)
DTC Erasing Time
DTC is erased immediately after trouble fixed
Fig.1) Normal waveform when obstacles is detected by sensor at shift lever R after IGN1 ON