PARKING SUPPORT ALERT SYSTEM, Diagnostic DTC:C1AF4

DTC Code DTC Name
C1AF4 Rr Sensor Initialization Incomplete

DESCRIPTION

When it is judged that the rear sensors have not been initialized, the clearance warning ECU assembly stores DTC C1AF4.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AF4 Rr Sensor Initialization Incomplete Rear sensor not initialized
  • Initialize rear sensor

  • Clearance warning ECU assembly

CAUTION / NOTICE / HINT

Note


  • If DTC C1AF4 is output after performing repairs, turn the engine switch on (IG) and turn the parking support alert system on to clear the DTC.

    Click here

  • After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).

    Click here

PROCEDURE


  1. INITIALIZE REAR CENTER ULTRASONIC SENSOR AND REAR CORNER ULTRASONIC SENSOR


    1. Initialize the rear center ultrasonic sensor and rear corner ultrasonic sensor.

      Click here

      Result
      Proceed to
      NEXT

    NEXT
  2. CHECK FOR DTC


    1. Using the GTS, check for DTCs according to the prompts on the screen.

      Click here

      Tech Tips

      After turning the engine switch from off to on (IG), wait 10 seconds or more before checking for DTCs.


      Body Electrical > IPA/ICS/Clearance Sonar > Trouble Codes
      Result
      Result Proceed to
      DTC C1AF4 is output A
      DTC C1AF4 is not output B

      Tech Tips

      If DTC C1AF4 is still output after initializing the rear center ultrasonic sensor and rear corner ultrasonic sensor 3 times, replace the clearance warning ECU assembly.


    A
    B