LIGHTING SYSTEM Luggage Compartment Door Courtesy Switch Circuit

DESCRIPTION

The main body ECU (multiplex network body ECU) detects the condition of the luggage compartment door courtesy light switch.

WIRING DIAGRAM

B000REQE02

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. READ VALUE USING GTS


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

      Click here


      Body Electrical > Main Body > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Luggage Courtesy SW Luggage compartment door courtesy switch signal OFF or ON

      OFF: Luggage compartment door closed

      ON: Luggage compartment door open

      		 -

      Body Electrical > Main Body > Data List
      Tester Display
      Luggage Courtesy SW
      OK
      Normal conditions listed above are displayed.
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

  2. INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY


    1. Remove the luggage compartment door lock assembly.

      Click here

    2. Inspect the luggage compartment door lock assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - DRIVER SIDE JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the X72 luggage compartment door lock assembly connector.

    2. Disconnect the 3D driver side junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      X72-4 (D+) - 3D-27 Always Below 1 Ω
      X72-4 (D+) or 3D-27 - Body ground Always 10 kΩ or higher
      X72-1 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY


    1. Remove the driver side junction block assembly.

      Click here

      B000RHQC05
      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

      		 - -

    2. Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3D-27 - A-4 (LGCY) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY Click here