LANE DEPARTURE ALERT SYSTEM(w/o Dynamic Radar Cruise Control System) Indicator Circuit

DESCRIPTION

When the lane departure warning camera detects a lane departure alert main switch signal, it sends the signal to the combination meter assembly via CAN communication. Then the lane departure alert indicator turns on.

WIRING DIAGRAM

A0007FPE39
*1 Combination Meter Assembly
*2 Power Management Control ECU
*3 Lane Departure Warning Camera
*4 CAN Communication Line

PROCEDURE


  1. READ VALUE USING GTS (CAN BUS CHECK)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: System Select / Can Bus Check.

      Result
      Result Proceed to
      All of the ECUs and sensors that are currently connected to the CAN communication system are displayed. A
      None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed. B

    4. Turn the power switch off.


    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  2. CHECK FOR DTCs (HEALTH CHECK)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: System Select / Health Check.

    4. Check DTCs.

      Result
      Result Proceed to
      No DTCs are output. A
      DTCs are output. B

    5. Turn the power switch off.


    B

    GO TO DTC CHART

    A

  3. PERFORM ACTIVE TEST USING GTS (LDA CONTROL INDICATOR)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Body Electrical / Combination Meter / Active Test / LDA Control Indicator.

    4. Perform the Active Test.

      Combination Meter
      Tester Display Test Part Control Range Diagnostic Note
      LDA Control Indicator Lane departure alert indicator ON/OFF Confirm that the vehicle is stopped with the power switch on (IG).
      OK
      Lane departure alert indicator turns on/off.

    5. Turn the power switch off.


    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  4. READ VALUE USING GTS (LDA INDICATOR)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Chassis / Lane Departure Alert / Data List / LDA Indicator.

    4. Read the value displayed on the GTS.

      Lane Departure Alert
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      LDA Indicator Status of the lane departure alert Indicator / Nothing or Green

      Nothing: Lane Departure Alert indicator is not illuminated

      Green: Lane Departure Alert indicator is illuminated

      		 -
      OK
      The value on the GTS and status of the lane departure alert indicator on the combination meter assembly are the same.

    5. Turn the power switch off.


    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPLACE LANE DEPARTURE WARNING CAMERA Click here