Windshield Washer Switch: Testing and Inspection

WIPER AND WASHER SWITCH INSPECTION










1. INSPECT SWITCH CONTINUITY
If continuity is not as specified, replace the switch.

2. INSPECT INTERMITTENT OPERATION







a. Turn the wiper switch to INT position.
b. Turn the intermittent lime control switch to FAST position.
c. Connect the positive (+) lead from the battery to terminal 17 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, and check that the meter needle indicates battery positive voltage.










e. After connecting terminal 16 to terminal 17, connect 17 to terminal 2.
Then, check that the voltage rises from 0 volt to battery positive voltage within time as shown in illustration.

If operation is not as specified, replace the switch.

3. INSPECT WASHER LINKED OPERATION







a. Connect the positive (+) lead from the battery to terminal 17 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. Check that the voltage changes, as shown in the table.

If operation is not as specified, replace the switch.