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Inspect the windshield wiper motor by removing the harness connector with the motor attached
to the vehicle.
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Connect the battery to the wiper motor to inspect the operation of motor rotation at low
or high speed.
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1.Connect the battery to the wiper motor as shown in the illustration (A).
2.Run the wiper motor at low speed, then disconnect the battery in the middle of the
motor rotation and check to see that the motor stops.
3.As shown in the illustration (B), connect the terminals of the wiper motor connector.
4.Check to see that the 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, 6 -
7
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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 Ω)
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Windshield intermittent wiper switch
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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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Windshield washer switch
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6 -
7
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Check that the resistance varies between 0 and 1 kΩ
when the windshield intermittent
volume is turned from FAST to SLOW by after measuring resistance between connector terminals
3 and 6 at the column switch.
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)
)
)
)