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 safety control operation signals.

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

DTC Code DTC Detection Condition Trouble Area
C1A10 While the power switch is on (IG), there is a malfunction in the front millimeter wave radar sensor for 2 seconds or more.

  • Millimeter wave radar sensor assembly

  • 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 ASSEMBLY


    1. Replace the millimeter wave radar sensor assembly with a new one Click here.


    NEXT

  2. ADJUST MILLIMETER WAVE RADAR SENSOR ASSEMBLY


    1. Adjust the millimeter wave radar sensor assembly Click here.


    NEXT

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


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC C1A10 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 (MILLIMETER WAVE RADAR SENSOR WAS DEFECTIVE)