LIGHTING SYSTEM Clearance Light/Daytime Running Light Circuit

DESCRIPTION



WIRING DIAGRAM

A001WFAE01
*a Daytime Running Light/Clearance Light
*b Headlight Unit Assembly
*c Headlight ECU Sub-assembly

CAUTION / NOTICE / HINT

Note

If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.

Click here

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Enter the following menus: Body Electrical / HL AutoLeveling / Active Test.

    4. Perform the Active Test according to the display on the GTS.


      Body Electrical > HL AutoLeveling > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Clearance Light Clearance lights ON or OFF -
      Daytime Running Light Daytime running lights ON or OFF -

      Body Electrical > HL AutoLeveling > Active Test
      Tester Display
      Clearance Light

      Body Electrical > HL AutoLeveling > Active Test
      Tester Display
      Daytime Running Light
      OK
      Clearance lights and daytime running lights illuminate.
      Result
      Result Proceed to
      OK A
      NG (for LH Side) B
      NG (for RH Side) C

    A
    C
    B
  2. REPLACE HEADLIGHT UNIT ASSEMBLY LH


    1. Replace the headlight unit assembly LH with a new or known good one.

      Click here

    2. Check that the clearance light LH and daytime running light LH operate normally.

      OK
      Clearance light LH and daytime running light LH operate normally.
      Result
      Proceed to
      OK
      NG

    OK
    NG
  3. REPLACE HEADLIGHT UNIT ASSEMBLY RH


    1. Replace the headlight unit assembly RH with a new or known good one.

      Click here

    2. Check that the clearance light RH and daytime running light RH operate normally.

      OK
      Clearance light RH and daytime running light RH operate normally.
      Result
      Proceed to
      OK
      NG

    OK
    NG