LANE DEPARTURE ALERT SYSTEM, Diagnostic DTC:C1AA2

DTC Code DTC Name
C1AA2 Vehicle Speed Tolerance Malfunction

DESCRIPTION

The lane departure warning camera receives the vehicle speed tolerance signal from the combination meter assembly via CAN communication to control the lane departure alert system. When the lane departure warning camera receives an abnormal signal, DTC C1AA2 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AA2 Vehicle Speed Tolerance Malfunction While the ignition switch is ON, a signal indicating a malfunction is received from the combination meter assembly for 50 seconds or more.

  • Meter/gauge system

  • Lane departure warning camera

CAUTION / NOTICE / HINT

Note


  • When the lane departure warning camera is replaced with a new one, adjustment of the lane departure warning camera beam axis must be performed.

    Click here

  • The lane departure alert system uses the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the lane departure alert system after confirming that the communication systems are functioning properly.

    Click here

PROCEDURE


  1. CHECK METER / GAUGE SYSTEM


    1. Check the meter/gauge system is functioning normally.

      Click here

      Result
      Proceed to
      Meter/gauge system is functioning normally
      Meter/gauge system is not functioning normally

    Meter/gauge system is not functioning normally

    GO TO METER / GAUGE SYSTEM Click here

    Meter/gauge system is functioning normally

  2. CLEAR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Enter the following menus: Chassis / Lane Departure Alert / Trouble Codes / Clear DTCs.

    4. Clear the DTCs.


      Chassis > Lane Departure Alert > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK FOR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Enter the following menus: Chassis / Lane Departure Alert / Trouble Codes.

    4. Check for DTCs.


      Chassis > Lane Departure Alert > Trouble Codes
      Result
      Proceed to
      No DTCs are output
      DTC C1AA2 is output

    No DTCs are output

    USE SIMULATION METHOD TO CHECK Click here

    DTC C1AA2 is output

    REPLACE LANE DEPARTURE WARNING CAMERA Click here