Wiper Switch: Testing and Inspection

WINDSHIELD WIPER SWITCH ASSY
a. Measure the resistance according to the value(s) in the table.

b. Intermittent Operation Check
1. Connect the voltmeter (+) terminal to terminal C9-3 (+1) of the connector and the voltmeter (-) terminal to terminal C10-2 (EW).
2. Connect the positive battery (+) lead to terminal C9-2 (+B) of the connector and the negative battery (-) lead to terminals C10-2 (EW) and C9-1 (+S).
3. Turn the wiper switch to the INT position.
4. Connect the positive battery (+) lead to terminal C9-1 (+S) of the connector for 5 seconds.

5. Connect the negative battery (-) lead to terminal C9-1 (+S) of the connector. Operate the intermittent wiper relay and measure the voltage between terminals C9-3 (+1) and C10-2 (EW)




Standard: Refer to the illustration.




c. Front Washer Operation Check
1. Turn the wiper switch to the OFF position.
2. Connect the positive battery (+) lead to terminal C9-2 (+B) of the connector, the negative battery (-) lead to terminals C9-1 (+S) and the terminal C10-2(EW).

3. Connect the voltmeter (+) terminal to terminal C9-3 (+1) of the connector and the voltmeter (-) terminal to terminal C10-2 (EW).

4. Turn the washer switch to the ON and OFF positions, and measure the voltage between terminals C9-3 (+1) and C10-2 (EW).

Standard: Refer to the illustration.