WIPER SWITCH INSPECTION

PROCEDURE


  1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for RH Side)


    1. A01X69AE02
      *a Component without harness connected: (Windshield Wiper Switch Assembly)

      Check the windshield wiper switch.


      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance
        Front Wiper Switch (w/o Rain Sensor)
        Tester Connection Switch Condition Specified Condition
        E16-1 (+S) - E16-3 (+1) INT Below 1 Ω
        OFF
        E16-2 (+B) - E16-3 (+1) MIST
        LO
        E16-2 (+B) - E16-4 (+2) HI

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

        Standard Resistance
        Front Wiper Switch (w/ Rain Sensor)
        Tester Connection Switch Condition Specified Condition
        E16-1 (+S) - E16-3 (+1) AUTO Below 1 Ω
        OFF
        E16-2 (+B) - E16-3 (+1) MIST
        LO
        E16-2 (+B) - E16-4 (+2) HI

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

    2. Check the front washer switch.


      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance
        Tester Connection Switch Condition Specified Condition
        E15-2 (EW) - E15-3 (WF) On Below 1 Ω
        Off 10 kΩ or higher

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

    3. Check the intermittent operation.


      1. Connect the voltmeter positive (+) lead to terminal E16-3 (+1) and the negative (-) lead to terminal E15-2 (EW).

      2. Connect the battery positive (+) lead to terminal E16-2 (+B) and the negative (-) lead to terminal E15-2 (EW) and E16-1 (+S).

      3. Turn the wiper switch to the INT position.

      4. Connect the battery positive (+) lead to terminal E16-1 (+S) for 5 seconds.

      5. Connect the battery negative (-) lead to terminal E16-1 (+S). Operate the intermittent wiper relay and check the voltage between terminals E16-3 (+1) and E15-2 (EW).

        Standard Voltage
        Refer to the illustration below.
        A01XBTCE01
        A01X8OPE09
        w/o Intermittent Time Adjust Dial
        *1 Connect battery negative (-) lead to terminal E16-1 (+S)
        *2 11 to 14 V
        *3 Voltage between terminals E16-3 (+1) and E15-2 (EW)
        *4 3.3 +/- 1 second

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

    4. Check the front washer operation.


      1. Turn the wiper switch OFF.

      2. Connect the battery positive (+) lead to terminal E16-2 (+B) and the negative (-) lead to terminals E16-1 (+S) and E15-2 (EW).

      3. Connect the voltmeter positive (+) lead to E16-3 (+1) and the negative (-) lead to terminal E15-2 (EW).

      4. Turn the washer switch ON and OFF, and check the voltage between terminals E16-3 (+1) and E15-2 (EW).

        OK
        Refer to the illustration below.
        A01X6ACE10
        A01X6ACE08

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

    5. A01X76NE02
      *1 Component without harness connected: (Windshield Wiper Switch Assembly)

      Check the rear wiper switch.


      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance
        Rear Wiper Switch (w/ Rear Wiper Intermittent Function)
        Tester Connection Switch Condition Specified Condition
        E15-2 (EW) - E15-6 (C1R) LO Below 1 Ω
        E15-2 (EW) - E15-7 (+1R) HI
        E15-2 (EW) - E15-6 (C1R) OFF 10 kΩ or higher
        E15-2 (EW) - E15-7 (+1R)

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

        Standard Resistance
        Rear Wiper Switch (w/o Rear Wiper Intermittent Function)
        Tester Connection Switch Condition Specified Condition
        E15-2 (EW) - E15-7 (+1R) ON Below 1 Ω
        E15-2 (EW) - E15-7 (+1R) OFF 10 kΩ or higher

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

    6. Check the rear washer switch.


      1. Measure the resistance of the switch.

        Standard Resistance
        Tester Connection Switch Condition Specified Condition
        E15-2 (EW) - E16-5 (WR) On Below 1 Ω
        Off 10 kΩ or higher

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

  2. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for LH Side)


    1. A01X0AGE02
      *a Component without harness connected: (Windshield Wiper Switch Assembly)

      Check the windshield wiper switch.


      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance
        Front Wiper Switch (w/o Rain Sensor)
        Tester Connection Switch Condition Specified Condition
        E16-4 (+S) - E16-2 (+1) INT Below 1 Ω
        OFF
        E16-3 (+B) - E16-2 (+1) MIST
        LO
        E16-3 (+B) - E16-1 (+2) HI

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

        Standard Resistance
        Front Wiper Switch (w/ Rain Sensor)
        Tester Connection Switch Condition Specified Condition
        E16-4 (+S) - E16-2 (+1) AUTO Below 1 Ω
        OFF
        E16-3 (+B) - E16-2 (+1) MIST
        LO
        E16-3 (+B) - E16-1 (+2) HI

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

    2. Check the front washer switch.


      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance
        Tester Connection Switch Condition Specified Condition
        E15-2 (EW) - E15-1 (WF) On Below 1 Ω
        Off 10 kΩ or higher

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

    3. Check the intermittent operation.


      1. Connect the voltmeter positive (+) lead to terminal E16-2 (+1) and the negative (-) lead to terminal E15-2 (EW).

      2. Connect the battery positive (+) lead to terminal E16-3 (+B) and the negative (-) lead to terminal E15-2 (EW) and E16-4 (+S).

      3. Turn the wiper switch to the INT position.

      4. Connect the battery positive (+) lead to terminal E16-4 (+S) for 5 seconds.

      5. Connect the battery negative (-) lead to terminal E16-4 (+S). Operate the intermittent wiper relay and check the voltage between terminals E16-2 (+1) and E15-2 (EW).

        Standard Voltage
        Refer to the illustration below.
        A01X513E01
        A01X8OPE10
        w/o Intermittent Time Adjust Dial
        *1 Connect battery negative (-) lead to terminal E16-4 (+S)
        *2 Voltage between terminals E16-2 (+1) and E15-2 (EW)
        *3 11 to 14 V
        *4 3.3 +/- 1 second

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

    4. Check the front washer operation.


      1. Turn the wiper switch OFF.

      2. Connect the battery positive (+) lead to terminal E16-3 (+B) and the negative (-) lead to terminals E16-4 (+S) and E15-2 (EW).

      3. Connect the voltmeter positive (+) lead to E16-2 (+1) and the negative (-) lead to terminal E15-2 (EW).

      4. Turn the washer switch ON and OFF, and check the voltage between terminals E16-2 (+1) and E15-2 (EW).

        OK
        Refer to the illustration below.
        A01X6ACE09

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

    5. A01X9KUE02
      *1 Component without harness connected: (Windshield Wiper Switch Assembly)

      Check the rear wiper switch.


      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance
        Rear Wiper Switch (w/ Rear Wiper Intermittent Function)
        Tester Connection Switch Condition Specified Condition
        E15-2 (EW) - E15-5 (C1R) LO Below 1 Ω
        E15-2 (EW) - E15-4 (+1R) HI
        E15-2 (EW) - E15-5 (C1R) OFF 10 kΩ or higher
        E15-2 (EW) - E15-4 (+1R)

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

        Standard Resistance
        Rear Wiper Switch (w/o Rear Wiper Intermittent Function)
        Tester Connection Switch Condition Specified Condition
        E15-2 (EW) - E15-4 (+1R) ON Below 1 Ω
        E15-2 (EW) - E15-4 (+1R) OFF 10 kΩ or higher

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

    6. Check the rear washer switch.


      1. Measure the resistance of the switch.

        Standard Resistance
        Tester Connection Switch Condition Specified Condition
        E15-2 (EW) - E16-10 (WR) On Below 1 Ω
        Off 10 kΩ or higher

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