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

DESCRIPTION



WIRING DIAGRAM

B002EYCE01
B002EYCE02

CAUTION / NOTICE / HINT

Note


  • The power door lock control system uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power door lock control system after confirming that the communication systems are functioning properly.

    Click here

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

  • If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.

PROCEDURE


  1. CHECK DOOR LOCK OPERATION


    1. Check door lock operation.

      Click here

      Result
      Result Proceed to
      All doors cannot be locked by power window regulator master switch assembly A
      All doors cannot be locked by driver door key cylinder (for LHD) B
      All doors cannot be locked by driver door key cylinder (for RHD) C

    B

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

    C

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

    A

  2. REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY


    1. Replace the power window regulator master switch assembly.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK DOOR LOCK OPERATION


    1. Check that all doors can be locked and unlocked by the power window regulator master switch assembly.

      Click here

      OK
      All doors can be locked and unlocked by the power window regulator master switch assembly.
      Result
      Proceed to
      OK
      NG

    OK

    END (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY WAS DEFECTIVE)

    NG

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

  4. READ VALUE USING GTS (DOOR KEY - LINKED LOCK AND UNLOCK SWITCH)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Front Left Door / Data List.

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


      Body Electrical > Front Left Door > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Door Key Linked Lock SW Driver door key-linked lock/unlock switch lock signal OFF or ON

      ON: Driver door key cylinder turned to lock position

      OFF: Driver door key cylinder not turned to lock position

      		 -
      Door Key Linked Unlock SW Driver door key-linked lock/unlock switch unlock signal OFF or ON

      ON: Driver door key cylinder turned to unlock position

      OFF: Driver door key cylinder not turned to unlock position

      		 -

      Body Electrical > Front Left Door > Data List
      Tester Display
      Door Key Linked Lock SW
      Door Key Linked Unlock SW
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH Click here

    NG

  5. INSPECT FRONT DOOR LOCK ASSEMBLY LH


    1. Remove the front door lock assembly LH.

      Click here

    2. Inspect the front door lock assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT DOOR LOCK ASSEMBLY LH Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY LH - FRONT MULTIPLEX NETWORK DOOR ECU LH)


    1. Disconnect the O3 front multiplex network door ECU LH connector.

    2. Disconnect the O7 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
      O7-9 (L) - O3-16 (KL) Always Below 1 Ω
      O7-10 (UL) - O3-24 (KUL) Always Below 1 Ω
      O7-7 (E) - O3-22 (LSWE) Always Below 1 Ω
      O7-9 (L) or O3-16 (KL) - Body ground Always 10 kΩ or higher
      O7-10 (UL) or O3-24 (KUL) - Body ground Always 10 kΩ or higher
      O7-7 (E) or O3-22 (LSWE) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU LH - BATTERY AND BODY GROUND)


    1. B002CN6C09
      *a

      Rear view of wire harness connector

      (to Front Multiplex Network Door ECU LH)

      Disconnect the front multiplex network door ECU LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition

      O4-1 (GND) - Body

      ground

      		 Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition

      O4-4 (CPUB) - Body

      ground

      		 Always 11 to 14 V

      O4-6 (BDR) - Body

      ground

      		 Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  8. READ VALUE USING GTS (DOOR KEY - LINKED LOCK AND UNLOCK SWITCH)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Front Right Door / Data List.

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


      Body Electrical > Front Right Door > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Door Key Linked Lock SW Driver door key-linked lock/unlock switch lock signal OFF or ON

      ON: Driver door key cylinder turned to lock position

      OFF: Driver door key cylinder not turned to lock position

      		 -
      Door Key Linked Unlock SW Driver door key-linked lock/unlock switch unlock signal OFF or ON

      ON: Driver door key cylinder turned to unlock position

      OFF: Driver door key cylinder not turned to unlock position

      		 -

      Body Electrical > Front Right Door > Data List
      Tester Display
      Door Lock SW
      Door Unlock SW
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here

    NG

  9. 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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT DOOR LOCK ASSEMBLY RH Click here

    OK

  10. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU RH - FRONT DOOR LOCK ASSEMBLY RH)


    1. Disconnect the N27 front door lock assembly RH connector.

    2. Disconnect the N3 front multiplex network door ECU RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N27-6 (L) - N3-16 (KL) Always Below 1 Ω
      N27-5 (UL) - N3-24 (KUL) Always Below 1 Ω
      N27-8 (E) - N3-22 (LSWE) Always Below 1 Ω
      N27-6 (L) or N3-16 (KL) - Body ground Always 10 kΩ or higher
      N27-5 (UL) or N3-24 (KUL) - Body ground Always 10 kΩ or higher
      N27-8 (E) or N3-22 (LSWE) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  11. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU RH - BATTERY AND BODY GROUND)

    B002CN6C10
    *a

    Rear view of wire harness connector

    (to Front Multiplex Network Door ECU RH)

    1. Disconnect the front multiplex network door ECU RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition

      N24-1 (GND) - Body

      ground

      		 Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition

      N24-4 (CPUB) - Body

      ground

      		 Always 11 to 14 V

      N24-6 (BDR) - Body

      ground

      		 Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR