WIPER SWITCH INSPECTION


  1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for LHD)


    1. A017BX0E11

      Check the front wiper switch.


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

        Standard resistance
        Tester Connection Switch Condition Specified Condition
        E10-1 (+S) - E10-3 (+1) INT Below 1 Ω
        OFF
        E10-2 (+B) - E10-3 (+1) MIST
        LO
        E10-2 (+B) - E10-4 (+2) HI

        If the result is not as specified, replace the 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
        E9-2 (EW) - E9-3 (WF) ON Below 1 Ω
        OFF 10 kΩ or higher

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

    3. Check the intermittent operation.


      1. Connect the voltmeter's positive (+) lead to terminal E10-3 (+1) and the negative (-) lead to terminal E9-2 (EW).

      2. Connect the battery's positive (+) lead to terminal E10-2 (+B) and the negative (-) lead to terminal E9-2 (EW) and E10-1 (+S).

      3. Turn the wiper switch to the INT position.

      4. Connect the battery's positive (+) lead to terminal E10-1 (+S) for 5 seconds.

      5. Connect the battery's negative (-) lead to terminal E10-1 (+S). Operate the intermittent wiper relay and check the voltage between terminals E10-3 (+1) and E9-2 (EW).

        OK
        Voltage changes as shown in the illustration below.
        A017D1QE01

        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's positive (+) lead to terminal E10-2 (+B) and the negative (-) lead to terminals E10-1 (+S) and E9-2 (EW).

      3. Connect the voltmeter's positive (+) lead to E10-3 (+1) and the negative (-) lead to terminal E9-2 (EW).

      4. Turn the washer switch ON and OFF, and check the voltage between terminals E10-3 (+1) and E9-2 (EW).

        OK
        Voltage changes as shown in the illustration below.
        A017D9FE14

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

    5. A017BX0E09

      Check the rear wiper switch.


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

        Standard resistance
        Tester Connection Switch Condition Specified Condition
        E9-2 (EW) - E9-6 (C1R) LO Below 1 Ω
        E9-2 (EW) - E9-7 (+1R) HI
        E9-2 (EW) - E9-6 (C1R) OFF 10 kΩ or higher
        E9-2 (EW) - E9-7 (+1R)

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

    6. Check the rear washer switch.


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

        Standard resistance
        Tester Connection Switch Condition Specified Condition
        E9-2 (EW) - E10-5 (WR) ON Below 1 Ω
        OFF 10 kΩ or higher

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

  2. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for RHD)


    1. A017COXE04

      Check the front wiper switch.


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

        Standard resistance
        Tester Connection Switch Condition Specified Condition
        E10-4 (+S) - E10-2 (+1) INT Below 1 Ω
        OFF
        E10-3 (+B) - E10-2 (+1) MIST
        LO
        E10-3 (+B) - E10-1 (+2) HI

        If the result is not as specified, replace the 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
        E9-2 (EW) - E9-1 (WF) ON Below 1 Ω
        OFF 10 kΩ or higher

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

    3. Check the intermittent operation.


      1. Connect the voltmeter's positive (+) lead to terminal E10-2 (+1) and the negative (-) lead to terminal E9-2 (EW).

      2. Connect the battery's positive (+) lead to terminal E10-3 (+B) and the negative (-) lead to terminal E9-2 (EW) and E10-4 (+S).

      3. Turn the wiper switch to the INT position.

      4. Connect the battery's positive (+) lead to terminal E10-4 (+S) for 5 seconds.

      5. Connect the battery's negative (-) lead to terminal E10-4 (+S). Operate the intermittent wiper relay and check the voltage between terminals E10-2 (+1) and E9-2 (EW).

        OK
        Voltage changes as shown in the illustration below.
        A017D1QE02

        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's positive (+) lead to terminal E10-3 (+B) and the negative (-) lead to terminals E10-4 (+S) and E9-2 (EW).

      3. Connect the voltmeter's positive (+) lead to E10-2 (+1) and the negative (-) lead to terminal E9-2 (EW).

      4. Turn the washer switch ON and OFF, and check the voltage between terminals E10-2 (+1) and E9-2 (EW).

        OK
        Voltage changes as shown in the illustration below.
        A017D9FE15

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

    5. A017COXE09

      Check the rear wiper switch.


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

        Standard resistance
        Tester Connection Switch Condition Specified Condition
        E9-2 (EW) - E9-5 (C1R) LO Below 1 Ω
        E9-2 (EW) - E9-4 (+1R) HI
        E9-2 (EW) - E9-5 (C1R) OFF 10 kΩ or higher
        E9-2 (EW) - E9-4 (+1R)

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

    6. Check the rear washer switch.


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

        Standard resistance
        Tester Connection Switch Condition Specified Condition
        E9-2 (EW) - E10-10 (WR) ON Below 1 Ω
        OFF 10 kΩ or higher

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