PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:C1A31

DTC Code DTC Name
C1A31 Driver Monitor Camera

DESCRIPTION

The driving support ECU uses the millimeter wave radar sensor, driver monitor camera and lane recognition camera sensor 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 safety 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 the power switch is on (IG), a malfunction in the driver monitor camera is detected for 2 seconds or more.

  • Driver monitor camera

  • Driving support ECU

INSPECTION PROCEDURE

PROCEDURE


  1. REPLACE DRIVER MONITOR CAMERA


    1. Temporally replace the driver monitor camera with a new or normally functioning one Click here.


    NEXT

  2. CHECK FOR DTC (PRE-CRASH SAFETY SYSTEM)


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC C1A31 is not output.

      Note

      When replacing the driving support ECU, always replace it with a new one and be sure to perform initialization Click here. If an ECU which was installed to another vehicle is used, the information stored in the ECU will not match the information from the vehicle, and as a result, a DTC may be stored.


    NG

    REPLACE DRIVING SUPPORT ECU Click here

    OK

    END (DRIVER MONITOR CAMERA WAS DEFECTIVE)