Wiper Switch: Testing and Inspection

WIPER AND WASHER: WIPER SWITCH:

INSPECTION

1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY





(a) Continuity Check
(1) Check the continuity of each terminal of the connector.
Standard:
Front Wiper Switch





Front Washer Switch





Rear Wiper and Washer Switch





(b) w/o Intermittent time adjust:
Intermittent Operation Check
(1) Connect the voltmeter (+) terminal to terminal 7 (+1) the connector, the voltmeter (-) terminal to terminal 5 (EW) of the connector.
(2) Connect the battery (+) to terminal 8 (+B) of the connector, the battery (-) to terminal 5 (EW) and 6 (+S) of the connector.
(3) Turn the wiper switch to the INT position.
(4) Connect the battery (+) to terminal 6 (+S) of the connector for 5 seconds.
(5) Connect the battery (-) to terminal 6 (+S) of the connector. Operate the intermittent wiper relay and check voltage between terminal 7 (+1) and terminal 5 (EW).





(c) w/ Intermittent time adjust:
Intermittent Operation Check
(1) Connect the voltmeter (+) terminal to terminal 7 (+1) of the connector, the voltmeter (-) terminal to terminal 5 (EW) of the connector.
(2) Connect the battery (+) to terminal 8 (+B) of the connector, the battery (-) to terminal 5 (EW) and 6 (+S) of the connector.
(3) Turn the wiper switch to the INT position.
(4) Connect the battery (+) to terminal 6 (+S) of the connector for 5 seconds.
(5) Connect the battery (-) to terminal 6 (+S) of the connector. Operate the intermittent wiper relay and check voltage between terminal 7 (+1) and terminal 5 (EW).









(d) Front Washer Linked Operation Check
(1) Turn the wiper switch to the OFF position.
(2) Connect the battery (+) to terminal 8 (+B) of the connector, the battery (-) to terminal 6 (+S) and 5 (EW) of the connector.
(3) Connect the voltmeter (+) terminal to terminal 7 (+1) of the connector, the voltmeter (-) terminal to terminal 5 (EW) of the connector. Turn the washer switch to ON and OFF and check voltage between terminal 7 (+1) and terminal 5 (EW).