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, DTC C1A21 is output.

This DTC is also output from the dynamic radar cruise control system.

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

  • Object recognition camera

  • Driving support ECU

INSPECTION PROCEDURE

PROCEDURE


  1. REPLACE OBJECT RECOGNITION CAMERA


    1. Replace the object recognition camera Click here.


    NEXT

  2. ADJUST OBJECT RECOGNITION CAMERA


    1. Adjust the object recognition camera Click here.


    NEXT

  3. CHECK FOR DTC


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

    2. Select "Clear" and clear the data.

    3. Recheck for DTC.

      OK
      DTC C1A21 is not output.

    NG

    REPLACE DRIVING SUPPORT ECU Click here

    OK

    END