PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:C1A21

DTC Code DTC Name
C1A21 Object Recognition Camera

DESCRIPTION

The driving support ECU uses the front millimeter wave radar sensor, rear millimeter wave radar sensor, driver monitor camera and object recognition camera to detect obstacles in front of and behind the vehicle, and detect the direction that the driver's head is facing. Based on this information, the driving support ECU sends pre-crash control operation signals.

If the driving support ECU detects a malfunction in the object recognition camera sensor, DTC C1A21 is output.

This DTC is also output from the dynamic radar cruise control system and lane-keeping assist system.

DTC Code DTC Detection Condition Trouble Area
C1A21 While engine switch is on (IG), object recognition camera sensor malfunction signal is sent to driving support ECU for 1 second

  • Object recognition camera sensor

  • Driving support ECU

PROCEDURE


  1. REPLACE OBJECT RECOGNITION CAMERA SENSOR


    1. Replace the object recognition camera sensor Click here.


    NEXT

  2. ADJUST OBJECT RECOGNITION CAMERA SENSOR


    1. Adjust the object recognition camera sensor Click here.


    NEXT

  3. CHECK DRIVING SUPPORT ECU


    1. Using the intelligent tester, enter the following menus: Body / Pre-Crash2 /. Then select "Diagnostic Code".

    2. Select "Clear" and clear the data.

    3. Recheck for DTC.

      OK
      DTC C1A21 is not output.

    OK

    END

    NG

    REPLACE DRIVING SUPPORT ECU Click here