POWER WINDOW CONTROL SYSTEM(for Models with Jam Protection Function on Front Door Windows) Power Windows do not Operate Using All Window Switch

DESCRIPTION

The power windows operate by using the power window regulator master switch assembly, power window regulator switch assembly or rear power window regulator switch assembly (for LH door or RH door).

The power window regulator master switch assembly, power window regulator switch assembly and rear power window regulator switch assemblies (for LH door or RH door) connect the same power supply and ground lines.

WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note


  • The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.

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

  • As the door control battery is installed between the vehicle battery and main body ECU (multiplex network body ECU), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (multiplex network body ECU) before performing this troubleshooting procedure.*

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    *: for LHD

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - BATTERY AND BODY GROUND)


    1. Disconnect the H6 power window regulator master switch assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H6-3 (B) - Body ground Always 11 to 14 V
      H6-13 (PWS) - Body ground Ignition switch ON 11 to 14 V
      Standard Resistance
      Tester Connection Condition Specified Condition
      H6-1 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  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 POWER WINDOW CONTROL SYSTEM


    1. Check the operation of the power windows by using the power window regulator master switch assembly, power window regulator switch assembly and rear power window regulator switch assemblies (for LH door or RH door).

      Click here

      OK
      All power windows operate normally.
      Result
      Proceed to
      OK
      NG

    OK

    END (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY WAS DEFECTIVE)

    NG

  4. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


    1. Replace the main body ECU (multiplex network body ECU).

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  5. CHECK POWER WINDOW CONTROL SYSTEM


    1. Check the operation of the power windows by using the power window regulator master switch assembly, power window regulator switch assembly and rear power window regulator switch assemblies (for LH door or RH door).

      Click here

      OK
      All power windows operate normally.
      Result
      Proceed to
      OK
      NG

    OK

    END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE)

    NG

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here