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Inspection Procedure

  1. INSPECT POWER WINDOW REGULATOR MOTOR 
    1. Remove the power window motor.
    2. Apply battery voltage to the motor connector according to the table below.
      NOTE: Do not apply battery voltage to any terminals except terminals 1 and 2.

      Standard 

      TERMINAL MEASUREMENT SPECIFIED CONDITION

      Measurement Condition Specified Condition
      Battery positive (+) → Terminal 1 (D)
      Battery negative (-) → Terminal 2 (U)
      Motor gear rotates clockwise
      Battery positive (+) → Terminal 2 (U)
      Battery negative (-) → Terminal 1 (D)
      Motor gear rotates counterclockwise
      Fig 1: Identifying Power Window Regulator Motor Operation
      G04967139Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE POWER WINDOW REGULATOR MOTOR 

    OK: Go to Next Step 

  2. CHECK WIRE HARNESS (WINDOW REGULATOR MOTOR - MULTIPLEX NETWORK SWITCH) 
    1. Disconnect the L13 and L4 connectors.
    2. Measure the resistance according to the value (s) in the table below.

      Resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      L13-1 (DN) - L4-1 (D) Always Below 1 Ω
      L13-6 (UP) - L4-2 (U) Always Below 1 Ω
      L13-1 (DN) - Body ground Always 10 kΩ or higher
      L13-6 (UP) - Body ground Always 10 kΩ or higher
    3. Fig 2: Identifying L13 And L4 Connector Terminals
      G05832851Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE