INTELLIGENT CLEARANCE SONAR SYSTEM, Diagnostic DTC:C1AF3

DTC Code DTC Name
C1AF3 Fr Sensor Initialization Incomplete

DESCRIPTION

When it is judged that the front sensors have not been initialized, the clearance warning ECU assembly stores DTC C1AF3.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AF3 Fr Sensor Initialization Incomplete Front sensor not initialized

  • Initialize front sensor

  • Clearance warning ECU assembly

CAUTION / NOTICE / HINT

Note


  • If DTC C1AF3 is output after performing repairs, turn the engine switch on (IG) and turn the intelligent clearance sonar 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 NO. 1 ULTRASONIC SENSOR AND NO. 2 ULTRASONIC SENSOR


    1. Initialize the No. 1 ultrasonic sensor (front right center and front left center sensor) and No. 2 ultrasonic sensor (front left sensor and front right 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 C1AF3 is output A
      DTC C1AF3 is not output B

      Tech Tips

      If DTC C1AF3 is still output after initializing the No. 1 ultrasonic sensor (front right center and front left center) and No. 2 ultrasonic sensor (front left sensor and front right sensor) 3 times, replace the clearance warning ECU assembly.


    A

    REPLACE CLEARANCE WARNING ECU ASSEMBLY for LHD: Click here for RHD: Click here

    B

    END (FRONT SENSORS WERE NOT INITIALIZED)