LIGHTING SYSTEM Luggage Compartment Door Courtesy Switch Circuit

DTC Code DTC Name
Luggage Compartment Door Courtesy Switch Circuit

DESCRIPTION

The main body ECU (multiplex network body ECU) detects the condition of the luggage compartment door courtesy switch that is built into the luggage compartment door lock assembly using this circuit.

WIRING DIAGRAM

E281020E01

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

      ON or OFF

      ON: Luggage compartment door open

      OFF: Luggage compartment door closed

      -

      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 hereClick 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 courtesy switch built into the luggage compartment door lock assembly.

      Click here

      OK

      Luggage compartment door lock assembly is normal.

    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 - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND)

    1. Disconnect the 3E 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

      L74-3 (D+) - 3E-34

      Always

      Below 1 Ω

      L74-3 (D+) - Body ground

      Always

      10 kΩ or higher

      L74-2 (ACT-) - 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

    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.

      E258622C07

      *a

      Component without harness connected

      (Instrument Panel Junction Block Assembly)

      -

      -

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      3E-34 - MB-20 (BCTY)

      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