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Driver Side Power Window does not Operate with Power Window Master Switch: Procedure

  1. CHECK DTC OUTPUT (MULTIPLEX COMMUNICATION SYSTEM) 
    1. Use the Techstream to check if the multiplex communication system (BEAN) is functioning normally. Refer to DTC CHECK / CLEAR .

      OK

      DTC(s) is not output.

    NG → See step   7 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (MASTER SWITCH - DRIVER SIDE MOTOR) 
    1. Disconnect the multiplex network master switch assembly connector.
    2. Disconnect the power window regulator motor assembly (for driver side) connector.
      Fig 1: Identifying M18 And M16 Connector Terminals
      GTY127884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M18-20 (U) - M16-10 (UP1) Always Below 1 Ω
      M18-16 (D) - M16-7 (DWN1) Always Below 1 Ω
      M18-9 (LIN2) - M16-9 (LIN) Always Below 1 Ω
      M18-20 (U) - Body ground Always 10 kΩ or higher
      M18-16 (D) - Body ground Always 10 kΩ or higher
      M18-9 (LIN2) - Body ground Always 10 kΩ or higher
      M16-10 (UP1) - Body ground Always 10 kΩ or higher
      M16-7 (DWN1) - Body ground Always 10 kΩ or higher
      M16-9 (LIN) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (REGULATOR MOTOR - BATTERY AND BODY GROUND) 
    1. Measure the voltage according to the value(s) in the table below.
      Fig 2: Identifying M16 Connector Terminals
      GTY123071Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Voltage

      Tester Connection Condition Specified Condition
      M16-2 (B) - Body ground Always 11 to 14 V
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M16-1 (E) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  4. REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    1. Replace the multiplex network master switch assembly. Refer to REMOVAL .

    NEXT: Go to next step 

  5. CHECK MANUAL UP / DOWN FUNCTION (for Driver Side) 
    1. Check that the driver side door power window moves when the manual up/down function of the multiplex network master switch assembly is operated. Refer to OPERATION CHECK .

      OK

      Driver side manual up/down function is normal.

    NG → See step   6 

    OK → END (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY IS DEFECTIVE) 

  6. REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side). Refer to  REMOVAL 
  7. GO TO MULTIPLEX COMMUNICATION SYSTEM (Proceed to Diagnostic Trouble Code Chart). Refer to  DIAGNOSTIC TROUBLE CODE CHART 
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