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 of each terminal of the connector.

Front Wiper Switch:





Rear Wiper Switch:





Front Washer Switch:





Rear Washer Switch:





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









(c) Operation Check (Front Wiper)
(1) Turn the wiper switch to OFF.
(2) Connect the battery (+) to terminal 17 (+B) of the connector, the battery (-) to terminal 16 (+S) and 2 (EW) of the connector.
(3) Connect the voltmeter (+) terminal to terminal 7 (+1) of the connector and the voltmeter (-) terminal to terminal 2 (EW) of the connector. Turn the washer switch to ON and OFF, and check voltage between terminal 7 (+1) and terminal 2 (EW).