On-Vehicle Inspection

WIPER / WASHER: WIPER SWITCH: ON-VEHICLE INSPECTION

1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

(a) Check the front wiper intermittent operation.

(1) Connect a voltmeter positive (+) lead to terminal I32-3 (+1) and a negative (-) lead to terminal I31-4 (EW).





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(2) Turn the wiper switch to the INT position.

(3) Operate the intermittent wiper relay and check the voltage between terminals I32-3 (+1) and I31-4 (EW).

OK:

Voltage changes as shown in the illustration.





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

(b) Check the front washer operation.

(1) Connect a voltmeter positive (+) lead to terminal I32-3 (+1) and a negative (-) lead to terminal I31-4 (EW).





Text in Illustration





(2) Turn the power switch on (IG).

(3) Turn the washer switch on and off, and check the voltage between terminals I32-3 (+1) and I31-4 (EW).

OK:

Voltage changes as shown in the following illustration.





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