PARKING SUPPORT ALERT SYSTEM, Diagnostic DTC:C1AE9

DESCRIPTION

The rear corner ultrasonic sensor (RR sensor) is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear corner ultrasonic sensor (RR sensor). If the rear corner ultrasonic sensor (RR sensor) has an open circuit or other malfunction, it will not function normally.

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   CHECK DTC OUTPUT

   
   

   1. Check for DTCs.

      Click here

      
      
      1. Body Electrical > IPA/ICS/Clearance Sonar > Trouble Codes
      2. 
         
      3. 
         

      Result
      Result Proceed to Only DTC C1AE9 is output A DTC C1AE9 and C1AED are output B No DTCs are output C

   
   
   • AClick here
   • B

     GO TO DTC (C1AED)Click here

   • C

     USE SIMULATION METHOD TO CHECKClick here

2. Click here

   REPLACE REAR CORNER ULTRASONIC SENSOR (RR SENSOR)

   
   

   1. Replace the rear corner ultrasonic sensor (RR sensor) with a known good one.

      Click here

      Tip:

      All of the sensors are interchangeable. To confirm whether a sensor is functioning normally, switch it with a known good sensor from the other end of the vehicle.

      Result
      Proceed to NEXT

   
   
   • NEXTClick here
3. Click here

   CHECK DTC OUTPUT

   
   

   1. Clear the DTCs.

      Click here

      
      
      1. Body Electrical > IPA/ICS/Clearance Sonar > Clear DTCs
      2. 
         
      3. 
         

   2. Check for DTCs.

      Click here

      
      
      1. Body Electrical > IPA/ICS/Clearance Sonar > Trouble Codes
      2. 
         
      3. 
         

      Result
      Result Proceed to DTC C1AE9 is output A No DTCs are output B

   
   
   • A

     REPLACE CLEARANCE WARNING ECU ASSEMBLYClick here

   • B

     END (REAR RIGHT SENSOR WAS DEFECTIVE)