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The windshield wiper motor assembly should be installed to the vehicle body and the harness connector should be disconnected when checking the wiper motor.
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Connect the battery to the windshield wiper motor to inspect the operation of motor rotation at low or high speed.
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1.Connect the battery to the windshield wiper motor as shown in the illustration (A).
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2.Run the windshield wiper motor at low speed, then disconnect the battery in the middle of the motor rotation and check to see that the motor stops.
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3.Connect the battery to the windshield wiper motor as shown in the illustration (B).
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4.Connect the terminals of the windshield wiper motor connector as shown in the illustration (B).
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5.Check to see that the windshield wiper motor runs at low speed and then stops at the automatic stop position.
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Check continuity between the switch terminals.
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Switch position
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Tester connection
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Specified condition
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OFF
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6 - 11, 6 - 10, 6 - 9, 6 - 8
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Open circuit
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Windshield mist wiper switch
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6 - 11
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Continuity (Less than 2 ohms)
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Windshield intermittent wiper switch <vehicles without auto lamp>
Windshield auto wiper switch <vehicles with auto lamp>
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6 - 10
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Windshield low-speed wiper switch
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6 - 9
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Windshield high-speed wiper switch
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6 - 8
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Check the windshield wiper switch (mist, intermittent, low speed and high speed) from the ETACS diagnosis codes for proper operations (Refer to GROUP 54A, ETACS  ).
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