LANE DEPARTURE ALERT SYSTEM (w/ Dynamic Radar Cruise Control System), Diagnostic DTC:C1AAA

DTC Code DTC Name
C1AAA FCM Destination Information Uninitialized

DESCRIPTION

When the lane departure warning camera is replaced with a new one, it acquires the country specification information from the main body ECU (multiplex network body ECU). If the lane departure warning camera cannot store the country specification information, DTC C1AAA is stored.

DTC Code DTC Detection Condition Trouble Area
C1AAA While the engine switch is on (IG), the lane departure warning camera cannot store the country specification information.

  • Main body ECU (Multiplex network body ECU)

  • Lane departure warning camera

INSPECTION PROCEDURE

Note


  • Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).

  • If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.

  • 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.

PROCEDURE


  1. READ VALUE USING GTS (DESTINATION INFORMATION)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Wait for a minute or more with the engine switch on (IG).

    5. Enter the following menus: Chassis / Lane Departure Alert / Data List.

    6. According to the display on the GTS, read the Data List.

      Lane Departure Alert
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Destination Information Status of the country / NOFIX, JPN, NA, EURO, AUS, GCC, SAFC, CHINA, CANADA, NZ, THAI, TWN or ReadError Actual country code -
      OK
      Country specification information for lane departure warning camera and vehicle match.

    7. Turn the engine switch off.


    NG

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    OK

  2. CLEAR DTCs


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

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

    4. Clear DTCs.

    5. Turn the engine switch off.


    NEXT

  3. CHECK FOR DTCs (LANE DEPARTURE ALERT)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

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

    4. Check for DTCs.

      OK
      DTC C1AAA is not output.

    5. Turn the engine switch off.


    NG

    REPLACE LANE DEPARTURE WARNING CAMERA Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here