LANE DEPARTURE ALERT 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.

CAUTION / NOTICE / HINT

Note

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.


PROCEDURE


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


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Combination Meter / Active Test.

    5. Perform "Active Test" according to the display on GTS.


      Body Electrical > Combination Meter > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      LDA Control Indicator Lane departure alert indicator OFF or ON -

      Body Electrical > Combination Meter > Active Test
      Tester Display
      LDA Control Indicator
      OK
      The lane departure alert indicator goes on or goes off.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO METER / GAUGE SYSTEM Click here

    OK

  2. READ VALUE USING GTS (LDA INDICATOR)


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

    2. Read the Data List according to the display on the GTS.


      Chassis > Lane Departure Alert > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      LDA Indicator Status of the lane departure alert indicator

      Nothing or Green

      Nothing or Yellow

      Nothing: Lane departure alert indicator is not illuminated

      Green: Lane departure alert indicator is illuminated

      Yellow: Lane departure alert indicator is illuminated

      		 -

      Chassis > Lane Departure Alert > Data List
      Tester Display
      LDA Indicator
      OK
      When the lane departure alert main switch is operated, the display changes as shown above.
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPLACE LANE DEPARTURE WARNING CAMERA Click here