DYNAMIC RADAR CRUISE CONTROL 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.

When the driving support ECU 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 While power switch is on (IG), driving support ECU assembly receives information that there is malfunction in millimeter wave radar sensor assembly for 1 second

  • Millimeter wave radar sensor assembly

  • Driving support ECU assembly

INSPECTION PROCEDURE

Note

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

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 WHETHER DTC OUTPUT RECURS


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Clear the DTCs Click here.

    4. Perform the following to make sure that the DTC detection conditions are met.

      Tech Tips

      If the detection conditions are not met, the malfunction cannot be detected.


      1. Drive the vehicle at a speed of 50 km/h (30 mph) and 170 km/h (105 mph).

      2. Turn the cruise control switch (ON-OFF button) on.

      3. Push the -/SET switch to activate the cruise control.

    5. Enter the following menus: Powertrain / Radar Cruise / DTC.

    6. Read the DTCs.

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

    B

    REPLACE DRIVING SUPPORT ECU ASSEMBLY Click here

    A

    END