Tacoma Regular Cab 2WD L4-2.4L (2RZ-FE) (2000)
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Using an ammeter: INSPECT ONE TOUCH POWER WINDOW SYSTEM
a. Disconnect the connector of the master switch.
b. Connect the positive (+) lead from the ammeter to terminal 4 on the wire harness side connector and the negative (-) lead to negative terminal of
the battery.
c. Connect the positive (+) lead from the battery to terminal 9 on the wire harness side connector.
d. As the window goes down, check that the current increases to approximately 7.0 A.
e. Check that the current increases to approximately 14.5 A or more when the window stops going down.
HINT: The circuit breaker opens for some 4 - 40 seconds after the window stops going down, so that the check must be done before the circuit
breaker operates.
If the operation is as specified, replace the master switch.
Using an ammeter with a current - measuring probe: INSPECT ONE TOUCH POWER WINDOW SYSTEM
a. Remove the master switch with the connector connected.
b. Attach a current-measuring probe to terminal 3 of the wire harness.
c. Turn the ignition switch ON and set the power window switch in the down position.
d. As the window goes down, check that the current increases to approximately 7.0 A.
