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

DESCRIPTION

The main body ECU (multiplex network body ECU) receives switch signals from the door control switch (power window regulator switch assembly) and activates the door lock motor on each door according to these signals.

WIRING DIAGRAM

A01ND0WE06

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (DOOR CONTROL SWITCH)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the intelligent tester on.

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

    5. Read the Data List according to the display on the intelligent tester.

      Main Body (Main Body ECU (Multiplex Network Body ECU))
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Door Lock SW-Lock Front passenger side door control switch lock signal/ON or OFF

      ON: Front passenger side door control switch pushed to lock position

      OFF: Front passenger side door control switch not pushed to lock position

      		 -
      Door Lock SW-Unlock Front passenger side door control switch unlock signal/ON or OFF

      ON: Front passenger side door control switch pushed to unlock position

      OFF: Front passenger side door control switch not pushed to unlock position

      		 -
      OK
      The intelligent tester indicates ON or OFF according to the switch operation shown in the table.

    NG

    INSPECT DOOR CONTROL SWITCH (POWER WINDOW REGULATOR SWITCH ASSEMBLY) Click here

    OK

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

  2. INSPECT DOOR CONTROL SWITCH (POWER WINDOW REGULATOR SWITCH ASSEMBLY)


    1. A01NEJRE04
      Text in Illustration
      *1

      Component without harness connected

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

      Remove the door control switch (power window regulator switch assembly) Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      12 (L) - 5 (GND) Locked Below 1 Ω
      12 (L) - 5 (GND) off 10 kΩ or higher
      7 (UL) - 5 (GND) Unlocked Below 1 Ω
      7 (UL) - 5 (GND) off 10 kΩ or higher

    NG

    REPLACE DOOR CONTROL SWITCH (POWER WINDOW REGULATOR SWITCH ASSEMBLY) Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH - MAIN BODY ECU RH AND BODY GROUND)


    1. A01NFEKE04
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Door Control Switch (Power Window Regulator Switch Assembly))
      *2

      Front view of wire harness connector

      (to Main Body ECU (Multiplex Network Body ECU))
      *3 for LHD
      *4 for RHD

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

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      I7-7 (UL) - F13-10 (UL1) Always Below 1 Ω
      I7-12 (L) - F13-9 (L1) Always Below 1 Ω
      I7-7 (UL) - Body ground Always 10 kΩ or higher
      I7-12 (L) - Body ground Always 10 kΩ or higher
      I7-5 (GND) - Body ground Always Below 1 Ω
      for RHD
      Tester Connection Condition Specified Condition
      J12-7 (UL) - F13-10 (UL1) Always Below 1 Ω
      J12-12 (L) - F13-9 (L1) Always Below 1 Ω
      J12-7 (UL) - Body ground Always 10 kΩ or higher
      J12-12 (L) - Body ground Always 10 kΩ or higher
      J12-5 (GND) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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