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Home >> Lexus >> 2012 >> IS F >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System (Diagnostics & Symptom Tests) >> Power Window Control System >> Symptom Tests >> Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch >> Procedure
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Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch: Procedure

  1. CHECK HARNESS AND CONNECTOR (POWER WINDOW SWITCH - REGULATOR MOTOR) 
    1. Disconnect the power window regulator switch assembly (for front passenger side) connector.
    2. Disconnect the power window regulator motor assembly (for front passenger side) connector.
      Fig 1: Identifying Power Window Regulator Motor And Switch Assembly Connector Terminals
      GTY141123Courtesy 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
      L17-4 (A) - L15-4 (AUTO) Always Below 1 Ω
      L17-4 (A) - Body ground Always 10 kΩ or higher
      L15-4 (AUTO) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  2. INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side) 
    1. Remove the power window regulator switch assembly (for front passenger side). Refer to REMOVAL .
      Fig 2: Inspecting Power Window Regulator Switch Assembly (For Front Passenger Side)
      GTY135746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      4 (A) - 5 (E) Auto up or auto down position Below 1 Ω

    NG → See step   4 

    OK → See step   3 

  3. REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side). Refer to  REMOVAL 
  4. REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side). Refer to  REMOVAL