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

DESCRIPTION

The main body ECU receives switch signals from the door control switch assembly on the front passenger door and activates the door lock motor on each door according to these signals.

WIRING DIAGRAM

B001XN6E09

CAUTION / NOTICE / HINT

Note


  • When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Access. While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.

  • If the main body ECU (cowl side junction block LH) is replaced, refer to the Entry and Start System (for Entry Function) Click here.

PROCEDURE


  1. READ VALUE USING GTS (DOOR CONTROL SWITCH)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch ON.

    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.

      Front Right Door
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Door Lock SW Power window regulator switch assembly (door control switch) lock signal OFF or ON

      ON: Lock side of power window regulator switch assembly pushed

      OFF: Lock side of power window regulator switch assembly not pushed

      		 -
      Door Unlock SW Power window regulator switch assembly (door control switch) unlock signal OFF or ON

      ON: Unlock side of power window regulator switch assembly pushed

      OFF: Unlock side of power window regulator switch assembly not pushed

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

    OK

    REPLACE MAIN BODY ECU Click here

    NG

  2. INSPECT DOOR CONTROL SWITCH ASSEMBLY


    1. Remove the door control switch assembly Click here.

    2. Inspect the door control switch assembly Click here.


    NG

    REPLACE DOOR CONTROL SWITCH ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND)


    1. Disconnect the I33 door control switch assembly connector.

    2. Disconnect the 2J instrument panel junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2J-26 - I33-4 (L) Always Below 1 Ω
      2J-21 - I33-2 (UL) Always Below 1 Ω
      I33-3 (E) - Body ground Always Below 1 Ω
      2J-26 or I33-4 (L) - Body ground Always 10 kΩ or higher
      2J-21 or I33-2 (UL) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK COWL SIDE JUNCTION BLOCK LH


    1. Remove the cowl side junction block LH.

      for LHD: Click here

      for RHD: Click here

    2. Remove the main body ECU from the cowl side junction block LH.

      B001ZHXE04
      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
      2J-26 - A-20 (L1) Always Below 1 Ω
      2J-21 - A-22 (UL1) Always Below 1 Ω

    OK

    REPLACE MAIN BODY ECU Click here

    NG

    REPLACE COWL SIDE JUNCTION BLOCK LH Click here