WIPER SWITCH ON-VEHICLE INSPECTION


  1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for LHD)


    1. A003C8YE05
      Text in Illustration
      *a

      Component with harness connected

      (Windshield Wiper Switch Assembly)

      Intermittent Operation Check (w/o Intermittent timing adjustment)


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

      2. Turn the ignition switch to ON.

      3. Turn the wiper switch to the INT position.

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

        OK
        Voltage changes as shown in the illustration.
        A003CELE02

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

    2. A003C8YE05
      Text in Illustration
      *a

      Component with harness connected

      (Windshield Wiper Switch Assembly)

      Intermittent Operation Check (w/ Intermittent timing adjustment)


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

      2. Turn the ignition switch to ON.

      3. Turn the wiper switch to the INT position.

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

        OK
        Voltage changes as shown in the illustration.
        A003GUYE30

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

    3. A003C8YE06
      Text in Illustration
      *a

      Component with harness connected

      (Windshield Wiper Switch Assembly)

      Front Washer Operation Check


      1. Connect a voltmeter positive (+) lead to terminal 7 (WF) and a negative (-) lead to Body ground.

      2. Turn the ignition switch to ON.

      3. Turn the washer switch on and off, and check the voltage between terminals 7 (WF) and Body ground.

        OK
        Voltage changes as shown in the illustration.
        A003GM2E21
    4. A003C8YE07
      Text in Illustration
      *a

      Component with harness connected

      (Windshield Wiper Switch Assembly)

      Rear Washer Operation Check


      1. Connect a voltmeter positive (+) lead to terminal 5 (WR) and a negative (-) lead to Body ground.

      2. Turn the ignition switch to ON.

      3. Turn the washer switch on and off, and check the voltage between terminals 5 (WR) and Body ground.

        OK
        Voltage changes as shown in the illustration.
        A003GM2E23

  2. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for RHD)


    1. A003BV3E08
      Text in Illustration
      *a

      Component with harness connected

      (Windshield Wiper Switch Assembly)

      Intermittent Operation Check (w/o Intermittent timing adjustment)


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

      2. Turn the ignition switch to ON.

      3. Turn the wiper switch to the INT position.

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

        OK
        Voltage changes as shown in the illustration.
        A003CELE04

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

    2. A003BV3E08
      Text in Illustration
      *a

      Component with harness connected

      (Windshield Wiper Switch Assembly)

      Intermittent Operation Check (w/ Intermittent timing adjustment)


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

      2. Turn the ignition switch to ON.

      3. Turn the wiper switch to the INT position.

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

        OK
        Voltage changes as shown in the illustration.
        A003GUYE31

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

    3. A003BV3E10
      Text in Illustration
      *a

      Component with harness connected

      (Windshield Wiper Switch Assembly)

      Front Washer Operation Check


      1. Connect a voltmeter positive (+) lead to terminal 4 (WF) and a negative (-) lead to Body ground.

      2. Turn the ignition switch to ON.

      3. Turn the washer switch on and off, and check the voltage between terminals 4 (WF) and Body ground.

        OK
        Voltage changes as shown in the illustration.
        A003GM2E22
    4. A003BV3E11
      Text in Illustration
      *a

      Component with harness connected

      (Windshield Wiper Switch Assembly)

      Rear Washer Operation Check


      1. Connect a voltmeter positive (+) lead to terminal 10 (WR) and a negative (-) lead to Body ground.

      2. Turn the ignition switch to ON.

      3. Turn the washer switch on and off, and check the voltage between terminals 10 (WR) and Body ground.

        OK
        Voltage changes as shown in the illustration.
        A003GM2E24