POWER WINDOW CONTROL SYSTEM Driver Side Power Window does not Operate with Power Window Master Switch

DESCRIPTION

When the engine switch is on (IG), the front power window regulator motor assembly LH (for LHD) or front power window regulator motor assembly RH (for RHD) is operated by the multiplex network master switch assembly. The front power window regulator motor assembly LH (for LHD) or front power window regulator motor assembly RH (for RHD) has motor, regulator and ECU functions.

WIRING DIAGRAM


  1. for LHD:

    B006DBOE03

  2. for RHD:

    B006DBOE04

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.

    Click here

  • If the front power window regulator motor assembly LH (for LHD) or front power window regulator motor assembly RH (for RHD) has been replaced with a new one, initialize the power window control system.

    Click here

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

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

PROCEDURE


  1. READ VALUE USING GTS (D-DOOR MOTOR)


    1. Read the Data List according to the display on the GTS.

      Click here


      Body Electrical > D-Door Motor > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      D Door P/W Up SW Driver door power window manual up switch signal OFF or ON

      OFF: Driver door power window manual up switch not being operated

      ON: Driver door power window manual up switch being operated

      		 -
      D Door P/W Down SW Driver door power window manual down switch signal OFF or ON

      OFF: Driver door power window manual down switch not being operated

      ON: Driver door power window manual down switch being operated

      		 -

      Body Electrical > D-Door Motor > Data List
      Tester Display
      D Door P/W Up SW
      D Door P/W Down SW
      OK
      On the GTS screen, ON or OFF is displayed accordingly.
      Result
      Result Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG C

    A

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

    B

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here

    C

  2. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


    1. B006F64C21
      *A for LHD
      *B for RHD
      *a

      Front view of wire harness connector

      (to Front Power Window Regulator Motor Assembly)

      Disconnect the H21*1 or H2*2 front power window regulator motor assembly connector.


      • *1: for LHD

        *2: for RHD

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

      Standard Voltage
      for LHD
      Tester Connection Condition Specified Condition
      H21-10 (UP) - H21-1 (GND)

      • Engine switch on (IG)

      • Multiplex network master switch assembly (driver side switch) OFF → UP (manual operation)

      		 11 to 14 V → Below 1 V
      H21-7 (DOWN) - H21-1 (GND)

      • Engine switch on (IG)

      • Multiplex network master switch assembly (driver side switch) OFF → DOWN (manual operation)

      		 11 to 14 V → Below 1 V
      for RHD
      Tester Connection Condition Specified Condition
      H2-10 (UP) - H2-1 (GND)

      • Engine switch on (IG)

      • Multiplex network master switch assembly (driver side switch) OFF → UP (manual operation)

      		 11 to 14 V → Below 1 V
      H2-7 (DOWN) - H2-1 (GND)

      • Engine switch on (IG)

      • Multiplex network master switch assembly (driver side switch) OFF → DOWN (manual operation)

      		 11 to 14 V → Below 1 V
      Result
      Result Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG C

    A

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

    B

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here

    C

  3. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY)


    • *1: for LHD

      *2: for RHD


    1. Disconnect the I5*1 or I2*2 multiplex network master switch assembly connector.

    2. Disconnect the H21*1 or H2*2 front power window regulator motor assembly connector.

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      I5-20 (UP) - H21-10 (UP) Always Below 1 Ω
      I5-15 (DOWN) - H21-7 (DOWN) Always Below 1 Ω
      I5-20 (UP) or H21-10 (UP) - Body ground Always 10 kΩ or higher
      I5-15 (DOWN) or H21-7 (DOWN) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      I2-20 (UP) - H2-10 (UP) Always Below 1 Ω
      I2-15 (DOWN) - H2-7 (DOWN) Always Below 1 Ω
      I2-20 (UP) or H2-10 (UP) - Body ground Always 10 kΩ or higher
      I2-15 (DOWN) or H2-7 (DOWN) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR