LIGHTING SYSTEM Door Mirror Foot Light Circuit

DESCRIPTION

The outer mirror control ECU assembly receives signals from the main body ECU (multiplex network body ECU) to control the door mirror foot lights.

WIRING DIAGRAM

A002B0NE05

CAUTION / NOTICE / HINT

Note


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


    • *: w/ Smart Entry and Start System

  • As the door control battery is installed between the vehicle battery and main body ECU (multiplex network body ECU), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (multiplex network body ECU) before performing this troubleshooting procedure.*

    Click here


    • *: for LHD

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Mirror L or Mirror R / Active Test.

    5. Check that the door mirror foot lights illuminate.


      Body Electrical > Mirror L > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Foot Light Door mirror foot light LH ON/OFF -

      Body Electrical > Mirror R > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Foot Light Door mirror foot light RH ON/OFF -

      Body Electrical > Mirror L > Active Test
      Tester Display
      Foot Light

      Body Electrical > Mirror R > Active Test
      Tester Display
      Foot Light
      OK
      Door mirror foot lights illuminate.
      Result
      Result Proceed to
      OK A
      NG (Door mirror foot light LH does not illuminate) B
      NG (Door mirror foot light RH does not illuminate) C

    A

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

    C

    INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH Click here

    B

  2. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH


    1. Remove the outer rear view mirror assembly LH.

      Click here

    2. A002ARLC06
      *a

      Component without harness connected

      (Outer Rear View Mirror Assembly LH)

      Connect a positive (+) lead from the battery to terminal 2 (MLP+) and a negative (-) lead to terminal 12 (-).

    3. Check that the door mirror foot light LH illuminates.

      OK
      Door mirror foot light illuminates.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH Click here

    NG

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Click here

  3. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH


    1. Remove the outer rear view mirror assembly RH.

      Click here

    2. A002ARLC06
      *a

      Component without harness connected

      (Outer Rear View Mirror Assembly RH)

      Connect a positive (+) lead from the battery to terminal 2 (MLP+) and a negative (-) lead to terminal 12 (-).

    3. Check that the door mirror foot light RH illuminates.

      OK
      Door mirror foot light illuminates.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH Click here

    NG

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here