LIGHTING SYSTEM Footwell Light Circuit

DESCRIPTION

The main body ECU (multiplex network body ECU) controls the footwell lights.

WIRING DIAGRAM

A01V9BJE01

CAUTION / NOTICE / HINT

Note


  • Inspect the fuses for circuits related to this system before performing the following procedure.

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

  • Check that the "Inside Foot Light" customization setting is set to"ON".

    Click here

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS (FR FOOT LIGHT)


    1. Using the GTS, perform the Active Test.

      Click here


      Body Electrical > Main Body > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Fr Foot Light Footwell light ON or OFF -

      Body Electrical > Main Body > Active Test
      Tester Display
      Fr Foot Light
      OK
      Footwell lights comes on.
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

  2. CHECK HARNESS AND CONNECTOR (No. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY - BATTERY)


    1. A01VA5AC01
      *a

      Front view of wire harness connector

      (to No. 1 Interior Illumination Light Assembly [Footwell Light] [for Driver Side])

      Disconnect the No. 1 interior illumination light assembly (footwell light) (for Driver Side) connector.

    2. Disconnect the G201 No. 1 interior illumination light assembly (footwell light) (for Front passenger Side) connector.

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      G200-2 (B) - Battery Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (No. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY - MAIN BODY ECU)


    1. Disconnect the G200 No. 1 interior illumination light assembly (footwell light) (for Driver Side) connector.

    2. Disconnect the G201 No. 1 interior illumination light assembly (footwell light) (for Front passenger Side) connector.

    3. Disconnect the G202 main body ECU (multiplex network body ECU) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G200-1 (L) - G202-6 (FSPT) Always Below 1 Ω
      G200-1 (L) or G202-6 (FSPT) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) for LHD: REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here
    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) for RHD: REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR