POWER DOOR LOCK CONTROL SYSTEM All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch or Door Key Cylinder

DESCRIPTION

The main body ECU (network gateway 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

A004IC8E02
A004KGVE02

CAUTION / NOTICE / HINT

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

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 power window regulator master switch assembly A
      Doors cannot be locked through power window regulator switch assembly*1 B
      Doors cannot be locked through driver side door key cylinder*2 C

      • *1: w/ Passenger Side Door Control Switch

      • *2: w/ Key-linked Switch


    B

    READ VALUE USING GTS (DOOR LOCK SW-LOCK AND DOOR LOCK SW-UNLOCK) Click here

    C

    READ VALUE USING GTS (DOOR KEY SW-LOCK AND DOOR KEY SW-UNLOCK) Click here

    A

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


    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. According to the display on the GTS, read the Data List.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Door Lock SW-Lock Door control switch (power window regulator master switch assembly) lock signal / OFF or ON

      OFF: Lock side of door control switch (power window regulator master switch assembly) not pushed

      ON: Lock side of door control switch (power window regulator master switch assembly) pushed

      		 -
      Door Lock SW-Unlock Door control switch (power window regulator master switch assembly) unlock signal / OFF or ON

      OFF: Unlock side of door control switch (power window regulator master switch assembly) not pushed

      ON: Unlock side of door control switch (power window regulator master switch assembly) pushed

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

    OK

    REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Click here

    NG

  3. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY


    1. A004JNWE02
      Text in Illustration
      *A for LHD
      *B for RHD
      *a

      Component with harness connected

      (Power Window Regulator Master Switch Assembly (Door Control Switch))

      Remove the power window regulator master switch assembly Click here.

    2. Connect the E8*1 or F6*2 power window regulator master switch assembly connector.


      • *1: for LHD

      • *2: for RHD

    3. Connect the cable to the negative(-) battery terminal.

    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage (for LHD)
      Tester Connection Switch Condition Specified Condition
      E8-16 - E8-5 (GND) Lock switch pushed 9.15 V or higher
      off Below 1 V
      E8-15 - E8-5 (GND) Unlock switch pushed 9.15 V or higher
      off Below 1 V
      Standard Voltage (for RHD)
      Tester Connection Switch Condition Specified Condition
      F6-16 - E8-5 (GND) Lock switch pushed 9.15 V or higher
      off Below 1 V
      F6-15 - E8-5 (GND) Unlock switch pushed 9.15 V or higher
      off Below 1 V

    NG

    REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (POWER WINDOW MASTER SWITCH - JUNCTION BLOCK AND BODY GROUND)


    1. for LHD:


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

      2. Disconnect the E8 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
        Tester Connection Condition Specified Condition
        3A-51 - E8-16 Always Below 1 Ω
        3A-30 - E8-15 Always Below 1 Ω
        E8-5 (GND) - Body ground Always Below 1 Ω
        3A-51 or E8-16 - Body ground Always 10 kΩ or higher
        3A-30 or E8-15 - Body ground Always 10 kΩ or higher

    2. for RHD:


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

      2. Disconnect the F6 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
        Tester Connection Condition Specified Condition
        3A-51 - F6-16 Always Below 1 Ω
        3A-30 - F6-15 Always Below 1 Ω
        F6-5 (GND) - Body ground Always Below 1 Ω
        3A-51 or F6-16 - Body ground Always 10 kΩ or higher
        3A-30 or F6-15 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. Remove the instrument panel junction block assembly Click here.

    2. Remove the main body ECU (network gateway ECU) from the instrument panel junction block assembly.

      A004K0VE01
      Text in Illustration
      *a

      Component without harness connected

      (Instrument Panel Junction Block Assembly)

      		 - -

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      MB-17 (L) - 3A-51 Always Below 1 Ω
      MB-19 (UL) - 3A-30 Always Below 1 Ω

    OK

    REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Click here

    NG

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here

  6. READ VALUE USING GTS (DOOR LOCK SW-LOCK AND DOOR LOCK SW-UNLOCK)


    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. According to the display on the GTS, read the Data List.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Door Lock SW-Lock Door control switch (power window regulator switch assembly) lock signal / OFF or ON

      OFF: Lock side of door control switch (power window regulator switch assembly) not pushed

      ON: Lock side of door control switch (power window regulator switch assembly) pushed

      		 -
      Door Lock SW-Unlock Door control switch (power window regulator switch assembly) unlock signal / OFF or ON

      OFF: Unlock side of door control switch (power window regulator switch assembly) not pushed

      ON: Unlock side of door control switch (power window regulator switch assembly) pushed

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

    OK

    REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Click here

    NG

  7. INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY


    1. A004H9ZE02
      Text in Illustration
      *a

      Component with harness connected

      (Power Window Regulator Switch Assembly (Door Control Switch))

      Remove the power window regulator switch assembly Click here.

    2. Connect the F6 power window regulator switch assembly connector.

    3. Connect the cable to the negative(-) battery terminal.

    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      F6-16 - F6-5 (GND) Lock switch pushed 9.15 V or higher
      off Below 1 V
      F6-15 - F6-5 (GND) Unlock switch pushed 9.15 V or higher
      off Below 1 V

    NG

    REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY Click here

    OK

  8. CHECK HARNESS AND CONNECTOR (POWER WINDOW SWITCH - JUNCTION BLOCK AND BODY GROUND)


    1. Disconnect the 3A and 3B instrument panel junction block assembly connectors.

    2. Disconnect the F6 power window regulator switch assembly (door control switch) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3A-41 - F6-16 Always Below 1 Ω
      3B-20 - F6-15 Always Below 1 Ω
      F6-5 (GND) - Body ground Always Below 1 Ω
      3A-41 or F6-16 - Body ground Always 10 kΩ or higher
      3B-20 or F6-15 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  9. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. Remove the instrument panel junction block assembly Click here.

    2. Remove the main body ECU (network gateway ECU) from the instrument panel junction block assembly.

      A004KN9E01
      Text in Illustration
      *a

      Component without harness connected

      (Instrument Panel Junction Block Assembly)

      		 - -

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      MB-17 (L) - 3A-41 Always Below 1 Ω
      MB-19 (UL) - 3B-20 Always Below 1 Ω

    OK

    REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Click here

    NG

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here

  10. READ VALUE USING GTS (DOOR KEY SW-LOCK AND DOOR KEY SW-UNLOCK)


    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. According to the display on the GTS, read the Data List.

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

      ON: Driver side door side key cylinder is turned to lock position

      OFF: Driver side door key cylinder is turned to unlock position

      		 -
      Door Key SW-ULock Door key-linked unlock switch signal/ ON or OFF

      ON: Driver side door key cylinder is turned to unlock position

      OFF: Driver side door key cylinder is turned to lock position

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

    OK

    REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Click here

    NG

  11. INSPECT FRONT DOOR LOCK ASSEMBLY RH


    1. Remove the front door lock assembly RH Click here.

    2. Inspect the front door lock assembly RH Click here.


    NG

    REPLACE FRONT DOOR LOCK ASSEMBLY RH Click here

    OK

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


    1. Disconnect the D5 main body ECU (network gateway ECU) connector.

    2. Disconnect the F3 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
      D5-12 (UL2) - F3-5 Always Below 1 Ω
      D5-11 (L2) - F3-6 Always Below 1 Ω
      F3-8 (E) - Body ground Always Below 1 Ω
      D5-12 (UL2) or F3-5 - Body ground Always 10 kΩ or higher
      D5-11 (L2) or F3-6 - Body ground Always 10 kΩ or higher

    OK

    REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR