POWER WINDOW CONTROL SYSTEM All Power Window Up Functions do not Operate with Entry Lock Switch

DESCRIPTION

When an entry lock switch is pressed and held for approximately 3 seconds: 1) the certification ECU (smart key ECU assembly) receives a switch signal, 2) the certification ECU (smart key ECU assembly) transmits a signal to all the power window regulator motor by multiplex communication via the multiplex network master switch assembly, and 3) all the power window motors are operated to close the windows.

INSPECTION PROCEDURE

Note


  • When the the multiplex network master switch assembly connector is disconnected, the power window control system must be initialized Click here.

  • Since the power window control system has functions that use multiplex communication, first confirm that there is no malfunction in the multiplex communication system by inspecting the multiplex communication functions in accordance with the How to Proceed with Troubleshooting procedures Click here. Then, conduct the following inspection procedure.

PROCEDURE


  1. CHECK BASIC FUNCTION (ENTRY AND START SYSTEM)


    1. Check that the entry lock switch operates normally.

      OK
      Entry lock switch can lock all the doors.

    NG

    GO TO ENTRY AND START SYSTEM (Proceed to Problem Symptoms Table for Each Door) Click here

    OK

  2. CHECK MANUAL UP/DOWN FUNCTION


    1. Check that the manual up/down function can operate all the power windows using the master switch and regulator switch.

      OK
      Manual up/down function operates normally.

    NG

    GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) Click here

    OK

  3. CHECK REMOTE UP/DOWN FUNCTION


    1. Check that the remote up/down function can operate the power windows using the master switch.

      OK
      Remote up/down function operates normally.

    NG

    GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) Click here

    OK

    REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY