PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:C1A10

DTC Code DTC Name
C1A10 Front Radar Sensor

DESCRIPTION

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

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 millimeter wave radar sensor, DTC C1A10 is stored.

DTC No. DTC Detection Condition Trouble Area
C1A10 When the power switch is on (IG), a malfunction in the millimeter wave radar sensor is detected for approx. 1 second.

  • Millimeter wave radar sensor

  • Driving support ECU

INSPECTION PROCEDURE

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 SAFETY SYSTEM)


    1. Using the intelligent tester, enter the following menus: Body / Pre-Crash 2 / DTC.

    2. Clear the DTCs Click here.

    3. Drive the vehicle.

    4. Recheck for DTCs.

      OK
      DTC C1A10 is not output.

    NG

    REPLACE DRIVING SUPPORT ECU Click here

    OK

    END