Kia Cadenza YG: Engine Control System / Rail Pressure Sensor (RPS) Schematic Diagrams

Other information:

Kia Cadenza YG 2016-2021 Service Manual: Description and Operation

System Overview RPAS (Rear Parking Assist System) is an electronic driving aid that warns the driver to be cautious while parking or in low speed environments. The sensor uses ultrasonic waves to detect objects within proximity of the vehicle.

Kia Cadenza YG 2016-2021 Service Manual: Photo Sensor Repair procedures

Inspection 1. Ignition "ON" 2. Using the scan tool. 3. Emit intensive light toward photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light.