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Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT FUSE (POWER) 
    1. Remove the fuse from the instrument panel J/B assy.
    2. Check the continuity.

      Standard: Continuity 

    1. NG: REPLACE FUSE 

    OK: Go to next step. 

  2. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSY 
    1. Remove the power window relay.
    2. Turn the ignition switch ON.
    3. Check the voltage between the J/B terminals 1 and 2.

      Standard: 10 - 14 V 

      Fig 1: Removing Power Window Relay
      G02577835Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSY 

    OK: Go to next step. 

  3. INSPECT POWER WINDOW RELAY (POWER) 
    1. Remove the relay from the backside of the instrument panel J/B assy.
    2. Check the continuity.
      Fig 2: Power Window Relay (Power) Continuity Chart
      G02577836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 3: Inspecting Power Window Relay (Power)
      G02577837Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE POWER WINDOW RELAY 

    OK: Go to next step. 

  4. CHECK WIRE HARNESS (TERMINAL B2, BW OR E) 
    1. Disconnect the D17 switch connector.
    2. Check the voltage or continuity between each terminal of the wire harness side connector and the body ground.
      Fig 4: Wire Harness Side Connector And Body Ground Specified Condition Chart
      G02577838Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 5: Identifying Terminals Of D17 Connector
      G02577839Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: Go to next step. 

  5. CHECK WIRE HARNESS (TERMINAL B) 
    1. Turn the ignition switch ON.
    2. Check the voltage between terminal 6 of the wire harness side connector and the body ground.
      Fig 6: Wire Harness Side Connector Terminal 6 And Body Ground Voltage Chart
      G02577840Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 7: Identifying Terminals Of D17 Connector
      G02577841Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY 

    NG 

    REPAIR OR REPLACE HARNESS AND CONNECTOR (POWER WINDOW RELAY <=> MASTER SWITCH)