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Wiper Switch: Testing and Inspection




INSPECT FRONT WIPER AND WASHER SWITCH CONTINUITY




If continuity is not as specified, replace the switch.

INSPECT WIPER INTERMITTENT OPERATION




a. Turn the wiper switch to INT position.
b. Turn the intermittent time control switch to FAST position.
c. Connect the positive (+) lead from the battery to terminal 16 and the negative (-) lead to terminal 2.
d. Connect the positive (+) lead from the voltmeter to terminal 7 and the negative (-) lead to terminal 2, check that the meter needle indicates battery positive voltage.




e. After connecting terminal 16 to terminal 17, connect to terminal 2 to terminal 17, check the voltage rises from 0 volts to battery positive voltage with in the times, as shown in the table.




If operation is not as specified, replace the wiper and washer switch.




3. INSPECT FRONT WASHER LINKED OPERATION
a. Connect the positive (+) lead from the battery to terminal 16 and the negative (-) lead to terminal 2.
b. Connect the positive (+) lead from the voltmeter to terminal 7 and the negative (-) lead to terminal 2.
c. Push in the washer switch, and check that the voltage changes, as shown in the table.




If operation is not as specified, replace the wiper and washer switch.