LKA/LDA SYSTEM, Diagnostic DTC:C1A10

DTC Code DTC Name
C1A10 Front Radar Sensor

DESCRIPTION

The LKA/LDA system (forward recognition camera) uses the millimeter wave radar sensor assembly to detect obstacles in front of the vehicle.

When the forward recognition camera receives information that there is a malfunction in the millimeter wave radar sensor assembly, DTC C1A10 is stored.

DTC No. DTC Detection Condition Trouble Area
C1A10 2 seconds after the power switch is turned on (IG), a signal from the millimeter wave radar sensor assembly indicating that there is an internal malfunction in millimeter wave radar sensor assembly is detected by the forward recognition camera for 5 seconds or more.

  • Millimeter wave radar sensor assembly

  • Forward recognition camera

CAUTION / NOTICE / HINT

Note


  • When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.

  • If the forward recognition camera has been replaced with a new one, be sure to perform forward recognition camera learning Click here.

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

  • First check the CAN communication system by following How to Proceed with Troubleshooting. After checking that there are no malfunctions in the CAN communication system, proceed with troubleshooting.


PROCEDURE


  1. REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY


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


    NEXT

  2. ADJUST MILLIMETER WAVE RADAR SENSOR ASSEMBLY


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


    NEXT

  3. CHECK DTC OUTPUT (LKA/LDA SYSTEM)


    1. Clear the DTCs Click here.

    2. Make sure that the DTC detection conditions are met.

      Tech Tips

      If the following procedure is not performed, the previously output DTC cannot be detected.


      1. Turn the power switch on (IG) and wait 7 seconds or more.

      2. Drive the vehicle at a speed of 5 km/h (3 mph) or more for 1 second or more.

    3. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC C1A10 is not output A
      DTC C1A10 is output B

    A

    END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY WAS DEFECTIVE)

    B

    REPLACE FORWARD RECOGNITION CAMERA Click here