WIPER SWITCH ON-VEHICLE INSPECTION


  1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for LHD)


    1. A01BH5SE05
      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.
        A01BGHYE02

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

    2. A01BH5SE05
      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.
        A01BHYUE30

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

    3. A01BH5SE06
      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.
        A01BBB5E21
    4. A01BH5SE07
      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.
        A01BBB5E23
  2. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for RHD)


    1. A01BGIAE08
      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.
        A01BGHYE04

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

    2. A01BGIAE08
      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.
        A01BHYUE31

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

    3. A01BGIAE10
      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.
        A01BBB5E22
    4. A01BGIAE11
      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.
        A01BBB5E24