PARKING SUPPORT ALERT SYSTEM, Diagnostic DTC:C1AE1

DESCRIPTION

The front corner ultrasonic sensor (FL sensor) is installed to the front bumper. The clearance warning ECU assembly detects obstacles based on signals received from the front corner ultrasonic sensor (FL sensor). If the front corner ultrasonic sensor (FL 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 C1AE1 is output A DTC C1AE1 and C1AEC are output B No DTCs are output C

   
   
   • AClick here
   • B

     GO TO DTC (C1AEC)Click here

   • C

     USE SIMULATION METHOD TO CHECKClick here

2. Click here

   REPLACE FRONT CORNER ULTRASONIC SENSOR (FL SENSOR)

   
   

   1. Replace the front corner ultrasonic sensor (FL 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 C1AE1 is output A No DTCs are output B

   
   
   • A

     REPLACE CLEARANCE WARNING ECU ASSEMBLYClick here

   • B

     END (FRONT LEFT SENSOR WAS DEFECTIVE)