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

DESCRIPTION

The main body ECU (multiplex network body ECU) receives door key cylinder lock or unlock switch signals from the front door with motor lock assembly (for Driver Door). The main body ECU (multiplex network body ECU) activates the door lock motor on each door according to these signals.

WIRING DIAGRAM

B0069NWE04

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. READ VALUE USING GTS (Door Key SW-Lock, D Door Key SW-UL)


    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 / 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
      Door Key SW-Lock Driver door key-linked switch lock signal OFF or ON

      OFF: Driver door key cylinder not turned to lock position

      ON: Driver door key cylinder turned to lock position

      		 -
      D Door Key SW-UL Driver door key-linked switch unlock signal OFF or ON

      OFF: Driver door key cylinder not turned to unlock position

      ON: Driver door key cylinder turned to unlock position

      		 -

      Body Electrical > Main Body > Data List
      Tester Display
      Door Key SW-Lock
      D Door Key SW-UL
      OK
      On the GTS screen, ON or OFF is displayed for each item according to the table above.
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

  2. INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY (for Driver Door)


    1. Remove the front door with motor lock assembly (for Driver Door).

      Click here

    2. Inspect the front door with motor lock assembly (for Driver Door).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY (for Driver Door) Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (FRONT DOOR WITH MOTOR LOCK ASSEMBLY (for Driver Door) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)


    1. Disconnect the H23*1 or H6*2 front door with motor lock assembly (for Driver Door) connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the G17 main body ECU (multiplex network body ECU) connector.

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      H23-7 (L) - G17-18 (L2) Always Below 1 Ω
      H23-8 (UL) - G17-17 (UL3) Always Below 1 Ω
      H23-9 (E) - Body ground Always Below 1 Ω
      H23-7 (L) or G17-18 (L2) - Other terminals and body ground Always 10 kΩ or higher
      H23-8 (UL) or G17-17 (UL3) - Other terminals and body ground Always 10 kΩ or higher
      Standard Resistance
      for RHD
      Tester Connection Condition Specified Condition
      H6-8 (L) - G17-18 (L2) Always Below 1 Ω
      H6-7 (UL) - G17-17 (UL3) Always Below 1 Ω
      H6-6 (E) - Body ground Always Below 1 Ω
      H6-8 (L) or G17-18 (L2) - Other terminals and body ground Always 10 kΩ or higher
      H6-7 (UL) or G17-17 (UL3) - Other terminals and body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR