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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 to any terminals except terminals 1 and 2.

    Standard 

    POWER WINDOW REGULATOR MOTOR

    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 Connector Terminals
    G04116033Courtesy 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 MASTER SWITCH) 
    1. Disconnect the P22 and P23 connectors.
    2. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    WINDOW REGULATOR MOTOR - MULTIPLEX NETWORK MASTER SWITCH

    Tester Connection Condition Specified Condition
    P22-1 (UP) - P23-2 (U) Always Below 1 Ω
    P22-11 (DN) - P23-1 (D) Always Below 1 Ω
    P22-1 (UP) - Body ground Always 10 kΩ or higher
    P22-11 (DN) - Body ground Always 10 kΩ or higher
    Fig 2: Identifying P22 And P23 Connector Terminals
    G04093188Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

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