POWER DOOR LOCK CONTROL SYSTEM All Doors LOCK / UNLOCK Functions do not Operate Via Master Switch, Both Front Door Key Cylinders

DESCRIPTION

The main body ECU receives switch signals from the door control switch, and driver side door key cylinder switch, activates the door lock motor on each door accordingly.

WIRING DIAGRAM

A01VI93E04
A01VL7LE03

PROCEDURE


  1. CHECK DOOR LOCK OPERATION


    1. Proceed to the next step according to the symptom listed in the table below.

      Result
      Result Proceed to
      Doors cannot be locked through master switch A
      Doors cannot be locked through driver side door key cylinder B

    B

    READ VALUE USING INTELLIGENT TESTER (DOOR LOCK AND UNLOCK SWITCH) Click here

    A

  2. READ VALUE USING INTELLIGENT TESTER (DOOR LOCK SW-LOCK AND DOOR LOCK SW-UNLOCK)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / Main Body / Data List.

    5. According to the display on the intelligent tester, read the Data List.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Door Lock SW-Lock Door manual lock switch signal / OFF or ON

      OFF: Door control switch (for front driver door side) is turned to unlock position

      ON: Door control switch (for front driver door side) is turned to lock position

      		 -
      Door Lock SW-Unlock Door manual unlock switch signal / OFF or ON

      OFF: Door control switch (for front driver door side) is turned to lock position

      ON: Door control switch (for front driver door side) is turned to unlock position

      		 -
      OK
      When the switch is operating, the intelligent tester should display as shown in the table.

    OK

    REPLACE MAIN BODY ECU Click here

    NG

  3. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY


    1. Inspect the power window regulator master switch assembly Click here.


    NG

    REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - MAIN BODY ECU AND BODY GROUND)


    1. for LHD:


      1. Disconnect the F76 main body ECU connector.

      2. Disconnect the H1 power window regulator master switch assembly (door control switch) connector.

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

        Standard Resistance
        w/ Rear Power Window
        Tester Connection Condition Specified Condition
        H1-2 (L) - F76-9 (L1) Always Below 1 Ω
        H1-9 (UL) - F76-10 (UL1) Always Below 1 Ω
        H1-1 (GND) - Body ground Always Below 1 Ω
        H1-2 (L) or F76-9 (L1) - Body ground Always 10 kΩ or higher
        H1-9 (UL) or F76-10 (UL1) - Body ground Always 10 kΩ or higher
        w/o Rear Power Window
        Tester Connection Condition Specified Condition
        H1-3 (L) - F76-9 (L1) Always Below 1 Ω
        H1-9 (UL) - F76-10 (UL1) Always Below 1 Ω
        H1-7 (GND) - Body ground Always Below 1 Ω
        H1-3 (L) or F76-9 (L1) - Body ground Always 10 kΩ or higher
        H1-9 (UL) or F76-10 (UL1) - Body ground Always 10 kΩ or higher

    2. for RHD:


      1. Disconnect the F76 main body ECU connector.

      2. Disconnect the G1 power window regulator master switch assembly (door control switch) connector.

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

        Standard Resistance
        w/ Rear Power Window
        Tester Connection Condition Specified Condition
        G1-2 (L) - F76-9 (L1) Always Below 1 Ω
        G1-8 (UL) - F76-10 (UL1) Always Below 1 Ω
        G1-9 (GND) - Body ground Always Below 1 Ω
        G1-2 (L) or F76-9 (L1) - Body ground Always 10 kΩ or higher
        G1-8 (UL) or F76-10 (UL1) - Body ground Always 10 kΩ or higher
        w/o Rear Power Window
        Tester Connection Condition Specified Condition
        G1-1 (L) - F76-9 (L1) Always Below 1 Ω
        G1-3 (UL) - F76-10 (UL1) Always Below 1 Ω
        G1-7 (GND) - Body ground Always Below 1 Ω
        G1-1 (L) or F76-9 (L1) - Body ground Always 10 kΩ or higher
        G1-3 (UL) - F76-10 (UL1) Always 10 kΩ or higher

    OK

    REPLACE MAIN BODY ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. READ VALUE USING INTELLIGENT TESTER (DOOR LOCK AND UNLOCK SWITCH)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / Main Body / Data List.

    5. According to the display on the intelligent tester, read the Data List.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Door Key SW-Lock Door lock and unlock switch signal / OFF or ON

      OFF: Driver side door key cylinder not turned

      ON: Driver side door key cylinder turned to lock position

      		 -
      Door Key SW-Unlock Door lock and unlock switch signal / OFF or ON

      OFF: Driver side door key cylinder not turned

      ON: Driver side door key cylinder turned to unlock position

      		 -
      OK
      ON (driver side door key cylinder is turned to lock /unlock position) appears on the tester screen.

    OK

    REPLACE MAIN BODY ECU Click here

    NG

  6. INSPECT FRONT DOOR LOCK ASSEMBLY (FOR DRIVER SIDE DOOR)


    1. Inspect the front door lock assembly Click here.


    NG

    REPLACE FRONT DOOR LOCK ASSEMBLY Click here

    OK

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


    1. for LHD:


      1. Disconnect the F76 main body ECU.

      2. Disconnect the H5 front door lock assembly LH connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        H5-9 (L) - F76-11 (L2) Always Below 1 Ω
        H5-10 (UL) - F76-12 (UL2) Always Below 1 Ω
        H5-7 (E) - Body ground Always Below 1 Ω
        H5-9 (L) or F76-11 (L2) - Body ground Always 10 kΩ or higher
        H5-10 (UL) or F76-12 (UL2) - Body ground Always 10 kΩ or higher

    2. for RHD:


      1. Disconnect the F76 main body ECU.

      2. Disconnect the G5 front door lock assembly RH connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        G5-6 (L) - F76-11 (L2) Always Below 1 Ω
        G5-5 (UL) - F76-12 (UL2) Always Below 1 Ω
        G5-8 (E) - Body ground Always Below 1 Ω
        G5-6 (L) or F76-11 (L2) - Body ground Always 10 kΩ or higher
        G5-5 (UL) or F76-12 (UL2) - Body ground Always 10 kΩ or higher

    OK

    REPLACE MAIN BODY ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR