Wiper Switch: Testing and Inspection

WIPER AND WASHER: WIPER SWITCH: INSPECTION

INSPECTION

1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY
(a) Continuity Check





(1) Check the continuity between each of the terminals of the connector.
Standard:
Front Wiper Switch






Front Washer Switch






Rear Wiper Switch






Rear Washer Switch






(b) Intermittent Operation Check
(1) Connect the voltmeter (+) terminal to the terminal 7 (+1) of the connector, the voltmeter (-) terminal to the terminal 2 (EW) of the connector.
(2) Connect the battery (+) to the terminal 17 (+B) of the connector, the battery (-) to the terminal 2 (EW) and the terminal 16 (+S) of the connector.
(3) Turn the wiper switch into the INT position.
(4) Connect the battery (+) to the terminal 16 (+S) of the connector for 5 seconds.
(5) Connect the battery (-) to the terminal 16 (+S) of the connector. Operate the intermittent wiper relay and check voltage between the terminal 7 (+1) and the terminal 2 (EW).





(c) Operation Check (Front Wiper)
(1) Turn the wiper switch into the OFF position.
(2) Connect the battery (+) to the terminal 17 (+B) of the connector, the battery (-) to the terminal 16 (+S) and 2 (EW) of the connector.





(3) Connect the voltmeter (+) terminal to the terminal 7 (+1) of the connector, the voltmeter (-) terminal to the terminal 2 (EW) of the connector. Turn the washer switch ON and OFF and check voltage between the terminal 7 (+1) and the terminal 2 (EW).