PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:C1A0A

DTC Code DTC Name
C1A0A Front Radar Sensor Region Code Mismatch

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 millimeter wave radar sensor is replaced with a new one, it acquires the country specification information from the driving support ECU. Also, when the driving support ECU is replaced with a new one, it receives country specification information from the main body ECU. When country specification information in the sensor and driving support ECU do not match, DTC C1A0A is output.

DTC Code DTC Detection Condition Trouble Area
C1A0A While the initial check is running, the ignition switch is ON and the pre-crash safety system is operating, the country specification information in the driving support ECU and millimeter wave radar sensor do not match for 1 second. Millimeter wave radar sensor 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. ADJUST MILLIMETER WAVE RADAR SENSOR ASSEMBLY


    1. Adjust the millimeter wave radar sensor Click here.


    NEXT

  2. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC C1A0A is not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY Click here