LIGHTING SYSTEM Luggage Compartment Door Courtesy Switch Circuit

DESCRIPTION

The main body ECU (multiplex network body ECU) receives a luggage compartment door open/closed signal from luggage compartment door courtesy light switch (luggage compartment door lock assembly).

WIRING DIAGRAM

B0070CVE10

CAUTION / NOTICE / HINT

Note


  • Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.*1

  • The vehicle battery supplies power to the main body ECU (multiplex network body ECU) via the door control battery. Therefore, before performing this troubleshooting procedure, make sure to perform an on-vehicle inspection to confirm that the main body ECU (multiplex network body ECU) power source circuit is normal.*2

    Click here


    • *1: w/ Smart Entry and Start System

    • *2: w/ Door Control Battery

PROCEDURE


  1. READ VALUE 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 / Main Body / Data List.

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


      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 COURTESY LIGHT SWITCH (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY)


    1. Remove the luggage compartment door courtesy light switch (luggage compartment door lock assembly).

      Click here

    2. Inspect the luggage compartment door courtesy light switch (luggage compartment door lock assembly).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE LUGGAGE COMPARTMENT DOOR COURTESY LIGHT SWITCH (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY) Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND)


    1. Disconnect the 3D instrument panel junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      W3-3 (D+) - 3D-34 Always Below 1 Ω
      W3-3 (D+) or 3D-34 - Body ground Always 10 kΩ or higher
      W3-2 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

    B006XJDC41
    *a

    Component without harness connected

    (Instrument Panel Junction Block Assembly)

    		 - -

    1. Remove the instrument panel junction block assembly.

      Click here

    2. Remove the main body ECU (multiplex network body ECU) from the instrument panel 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-34 - MB-4 (LGCY) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here