PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:C1A31

DTC Code DTC Name
C1A31 Driver Monitor 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.

When the driving support ECU receives information that there is a malfunction in the driver monitor camera, DTC C1A31 is output.

DTC Code DTC Detection Condition Trouble Area
C1A31 While power switch is ON (IG), driving support ECU receives information that there is malfunction in driver monitor camera for 1 second (6 trip detection logic)

  • Driver monitor camera

  • Driving support ECU

PROCEDURE


  1. REPLACE DRIVER MONITOR CAMERA


    1. Replace the driver monitor camera Click here.


    NEXT

  2. 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. Based on the DTC detection conditions, try to simulate the malfunction.

    4. Recheck for DTC.

      OK
      DTC C1A31 is not output.

    OK

    END

    NG

    REPLACE DRIVING SUPPORT ECU Click here