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Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (POWER WINDOW POWER SOURCE) 
    1. Disconnect the power window master switch connector.
    2. Measure the voltage according to the value(s) table below.

      Standard Voltage 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Switch Condition Specified Condition
      I3-6 (B) - Body ground Ignition switch ON 11 to 14 V

    NG: Go to step  3

    Fig 1: Identifying I3 Power Window Master Switch Connector Terminal
    G06015878Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (POWER WINDOW MASTER SWITCH - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      I3-1 (E) - Body ground Always Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 2: Identifying I3 Power Window Master Switch Connector Terminal
    G06015911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE POWER WINDOW MASTER SWITCH  (See POWER WINDOW MASTER SWITCH )

  3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND) 
    1. Disconnect the instrument panel junction block connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      2E-17 (PWS) - Body ground Always Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 3: Identifying 2E Instrument Panel Junction Block Connector Terminal
    G06015912Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)