Wiper Switch: Testing and Inspection

INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

a. Check the resistance.
1. Measure the resistance and check the results in accordance with the value(s) in the table below.







Standard:

If the result is not as specified, replace the windshield wiper switch assembly.

b. Check the intermittent operation.
1. Connect the voltmeter positive terminal to terminal 3 (+1) of the E7 connector and the voltmeter negative terminal to terminal 2 (EW) of the E11 connector.
2. Connect the battery positive (+) lead to terminal 2 (+B) of the E7 connector and the battery negative (-) lead to terminals 2 (EW) of the E11 connector and 1 (+S) of the E7 connector.
3. Turn the wiper switch to the INT position.
4. Connect the battery positive (+) lead to terminal 1(+S) of the E7 connector for 5 seconds.




5. Connect the battery negative lead to terminal 1 (+S) of the E7 connector. Operate the intermittent wiper relay and check the voltage between terminals 3 (+1) of the E7 connector and 2 (EW) of the E11 connector.




c. Check the operation
1. Turn the wiper switch off.
2. Connect the battery positive lead to terminal 2 (+B) of the E7 connector and the battery negative lead to terminals 1 (+S) of the E7 connector and 2 (EW) of the E11 connector.
3. Connect the voltmeter positive terminal to terminal 3 (+1) of the E7 connector and the voltmeter negative terminal to terminal 2 (EW) of the E11 connector.Turn the washer switch on and off, and check the voltage between terminals 3 (+1) of the E7 connector and 2 (EW) of the E11 connector.