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Inspection Procedure

WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check Harness And Connector (Power Source) 
    1. Disconnect the P10 power window switch connector.
    2. Turn the ignition switch ON.
    3. Check the voltage between the switch terminal 4 of the wire harness side connector and body ground.
      Fig 1: Checking Harness & Connector (Power Source)
      G02815484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 10 - 14 V 

    1. OK: Go to Next Step 
    2. NG: Repair Or Replace Harness And Connector (Switch >--< Relay) 
  2. INSPECT POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR LH) 
    1. Remove the power window switch.
    2. Check the continuity between the switch terminals when the switch is operated.

      Standard: 

      Fig 2: Switch Terminals Specified Condition Table
      G02815485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 3: Inspecting Power Window Regulator Switch Assy Rear (Rear LH)
      G02815486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK: Go to Next Step 
    2. NG: Replace Power Window Regulator Switch Assy Rear (Rear LH) 
  3. Check Harness And Connector (Switch >--< Motor) 
    1. Disconnect the P14 power window motor connector.
    2. Check the continuity between the wire harness side connectors.
      Fig 4: Checking Harness & Connector (Switch And Motor)
      G02815488Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      Fig 5: Switch & Motor Terminal Specifications Table
      G02815487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK: Go to Next Step 
    2. NG: Repair Or Replace Harness And Connector 
  4. Inspect Power Window Regulator Motor Assy LH (Rear LH) 
    1. Remove the motor (See REAR DOOR ).
    2. Apply battery voltage to the connector terminals 1 and 2.
    3. Check that the motor rotates smoothly.
      Fig 6: Inspecting Power Window Regulator Motor Assy LH (Rear LH)
      G02815490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: Do not apply battery voltage to any terminals except terminals 1 and 2.

      Standard: 

      Fig 7: Window Regulator Motor Specifications Table (Rear LH)
      G02815489Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK: Repair Or Replace Harness And Connector (Master Switch >--< Switch) 
    2. NG: Replace Power Window Regulator Motor Assy LH (Rear LH)