LIGHTING SYSTEM Door Unlock Detection Switch Circuit

DESCRIPTION

The main body ECU (network gateway ECU) detects the condition of each door unlock detection switch.

WIRING DIAGRAM

A004K7DE05

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 display on the GTS.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      D-Door Lock Pos SW Driver side door unlock detection switch signal/LOCK or UNLOCK

      LOCK: Driver side door locked

      UNLOCK: Driver side door unlocked

      		 -
      P-Door Lock Pos SW Passenger side door unlock detection switch signal/LOCK or UNLOCK

      LOCK: Passenger side door locked

      UNLOCK: Passenger side door unlocked

      		 -
      Result
      Result Proceed to
      OK A
      Driver side door unlock detection switch LH does not operate B
      Passenger side door unlock detection switch RH does not operate C

    A

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

    C

    INSPECT FRONT DOOR LOCK ASSEMBLY (for PASSENGER SIDE) Click here

    B

  2. INSPECT FRONT DOOR LOCK ASSEMBLY (for DRIVER SIDE)


    1. Remove the front door lock assembly (for driver side) Click here.

    2. Inspect the front door lock assembly (for driver side) Click here.

      OK
      Front door lock assembly (for driver side) is normal.

    NG

    REPLACE FRONT DOOR LOCK ASSEMBLY (for DRIVER SIDE) Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY - MAIN BODY ECU (NETWORK GATEWAY ECU) AND BODY GROUND)


    1. Disconnect the E3 front door lock assembly connector.

    2. Disconnect the D6 main body ECU (network gateway ECU) connector.

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

      Standard Resistance
      for RHD
      Tester Connection Condition Specified Condition
      D6-12 (LSFP) - E3-8 (LSSR) Always Below 1 Ω
      E3-8 (LSSR) - Body ground Always 10 kΩ or higher
      E3-7 (E) - Body ground Always Below 1 Ω
      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      D6-11 (LSFD) - E3-8 (LSSR) Always Below 1 Ω
      E3-8 (LSSR) - Body ground Always 10 kΩ or higher
      E3-7 (E) - Body ground Always Below 1 Ω

    OK

    REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. INSPECT FRONT DOOR LOCK ASSEMBLY (for PASSENGER SIDE)


    1. Remove the front door lock assembly (for passenger side) Click here.

    2. Inspect the front door lock assembly (for passenger side) Click here.

      OK
      Front door lock assembly (for passenger side) is normal.

    NG

    REPLACE FRONT DOOR LOCK ASSEMBLY (for PASSENGER SIDE) Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY - MAIN BODY ECU (NETWORK GATEWAY ECU) AND BODY GROUND)


    1. Disconnect the F3 front door lock assembly connector.

    2. Disconnect the D6 main body ECU (network gateway ECU) connector.

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

      Standard Resistance
      for RHD
      Tester Connection Condition Specified Condition
      D6-11 (LSFD) - F3-7 (LSSR) Always Below 1 Ω
      F3-7 (LSSR) - Body ground Always 10 kΩ or higher
      F3-8 (E) - Body ground Always Below 1 Ω
      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      D6-12 (LSFP) - F3-7 (LSSR) Always Below 1 Ω
      F3-7 (LSSR) - Body ground Always 10 kΩ or higher
      F3-8 (E) - Body ground Always Below 1 Ω

    OK

    REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR