LIGHTING SYSTEM Exterior Illumination Circuit

DESCRIPTION

Main body ECU (multiplex network body ECU) controls the outside handle lights.

WIRING DIAGRAM


  1. B006A5HE03

CAUTION / NOTICE / HINT

Note

Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS


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

      Click here


      Body Electrical > Main Body > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Exterior Light Outside handle lights OFF or ON -

      Body Electrical > Main Body > Active Test
      Tester Display
      Exterior Light
      OK
      Outside handle lights illuminate.
      Result
      Result Proceed to
      OK A
      NG (All outside handle lights does not illuminates) B
      NG (Front outside handle lights does not illuminate.) C
      NG (Rear outside handle lights does not illuminate.) D

    A

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

    C

    INSPECT FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH Click here

    D

    INSPECT REAR DOOR OUTSIDE HANDLE ASSEMBLY LH Click here

    B

  2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] - FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH)


    1. Disconnect the G17 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the H25 front door outside handle assembly LH connector.

    3. Disconnect the K19 rear door outside handle assembly LH connector.

    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G17-2 (OHIL) - H25-1 (OIL) Always Below 1 Ω
      G17-2 (OHIL) or H25-1 (OIL) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. INSPECT FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH


    1. Remove the front door outside handle assembly LH.

      Click here

    2. Inspect the front door outside handle assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH Click here

    OK

  4. INSPECT FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH


    1. Remove the front door outside handle assembly RH.

      Click here

    2. Inspect the front door outside handle assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    NG

    REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH Click here

  5. INSPECT REAR DOOR OUTSIDE HANDLE ASSEMBLY LH


    1. Remove the rear door outside handle assembly LH.

      Click here

    2. Inspect the rear door outside handle assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR DOOR OUTSIDE HANDLE ASSEMBLY LH Click here

    OK

  6. INSPECT REAR DOOR OUTSIDE HANDLE ASSEMBLY RH


    1. Remove the rear door outside handle assembly RH.

      Click here

    2. Inspect the rear door outside handle assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    NG

    REPLACE REAR DOOR OUTSIDE HANDLE ASSEMBLY RH Click here