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Wiper Switch: Testing and Inspection

INSPECTION




1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY
a. Continuity Check




1. Check the continuity of each terminal of the connector.

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).