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One Touch Power Window System - Current Of Circuit Inspection (Using An Ammeter )

  1. Disconnect the connector from the master switch.
  2. Connect the positive (+) lead from the ammeter to terminal 10 on the wire harness side connector and the negative (-) lead to negative terminal of the battery. See Fig 1.
    Fig 1: Testing With An Ammeter
    G00147970Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Connect the positive (+) lead from the battery to terminal 4 on the wire harness side connector. See Fig 1.
  4. As the window goes down, check that the current flow is approximately 7 amperes.
  5. NOTE: The circuit breaker opens some 4-40 seconds after the window stops going down, so that check must be made before the circuit breaker operates.
  6. Check that the current increases approximately 14.5 amperes or more when the window stops going down.

If operation is not as specified, replace the master switch. See POWER WINDOW MASTER SWITCH .