WIPER SWITCH ON-VEHICLE INSPECTION

PROCEDURE


  1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY


    1. Check the front wiper intermittent operation.


      1. B003LEGC14
        *a

        Component with harness connected

        (Windshield Wiper Switch Assembly)

        Connect a voltmeter positive (+) lead to terminal G21-2 (+1) and a negative (-) lead to terminal G20-7 (EW).

      2. Turn the ignition switch to ON.

      3. Turn the wiper switch to the INT position.

      4. Operate the intermittent wiper and check the voltage between terminals G21-2 (+1) and G20-7 (EW).

        OK
        Voltage changes as shown in the illustration.
        B003QZDE65

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

    2. Check the front washer operation.


      1. B003LEGC15
        *a

        Component with harness connected

        (Windshield Wiper Switch Assembly)

        Connect a voltmeter positive (+) lead to terminal G20-4 (WF) and a negative (-) lead to terminal G20-7 (EW).

      2. Turn the ignition switch to ON.

      3. Turn the washer switch on and off, and check the voltage between terminals G20-4 (WF) and G20-7 (EW).

        OK
        Voltage changes as shown in the following illustration.
        B003JY7E63

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

    3. Check the rear washer operation.


      1. B003LEGC21
        *a

        Component with harness connected

        (Windshield Wiper Switch Assembly)

        Connect a voltmeter positive (+) lead to terminal G21-10 (WR) and a negative (-) lead to terminal G20-7 (EW).

      2. Turn the ignition switch to ON.

      3. Turn the rear washer switch on and off, and check the voltage between terminals G21-10 (WR) and G20-7 (EW).

        OK
        Voltage changes as shown in the following illustration.
        B003JY7E67

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