PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:C1A10

DTC Code DTC Name
C1A10 Front Radar Sensor

DESCRIPTION

The driving support ECU assembly uses the millimeter wave radar sensor to detect obstacles in front of the vehicle.

Based on this information, the driving support ECU assembly sends pre-crash control operation signals.

When the driving support ECU assembly receives information that there is a malfunction in the millimeter wave radar sensor, DTC C1A10 is stored.

DTC No. DTC Detection Condition Trouble Area
C1A10 When the power switch is on (IG), the driving support ECU assembly receives information that there is a malfunction in the millimeter wave radar sensor for approx. 2 seconds.

  • Millimeter wave radar sensor

  • Driving support ECU assembly

CAUTION / NOTICE / HINT

Note

When the millimeter wave radar sensor is replaced with a new one, adjustment of the radar sensor beam axis must be performed Click here.

PROCEDURE


  1. REPLACE MILLIMETER WAVE RADAR SENSOR


    1. Replace the millimeter wave radar sensor Click here.


    NEXT

  2. ADJUST MILLIMETER WAVE RADAR SENSOR


    1. Adjust the millimeter wave radar sensor Click here.


    NEXT

  3. CHECK DTC OUTPUT (PRE-CRASH SYSTEM)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus:


      1. Body Electrical / Pre-Crash 2 / Trouble Codes.

    5. Clear the DTCs Click here.

    6. Recheck for DTCs.

      OK
      DTC C1A10 is not output.

    OK

    END (MILLIMETER WAVE RADAR SENSOR WAS DEFECTIVE)

    NG

    REPLACE DRIVING SUPPORT ECU ASSEMBLY Click here