WIPER AND WASHER SYSTEM Wiper and Washer Switch Circuit

DESCRIPTION

The condition of the windshield wiper switch assembly is detected and sent to the steering sensor in this circuit.

WIRING DIAGRAM


  1. for LHD

    B006YXAE01

  2. for RHD

    B006YXAE02

PROCEDURE


  1. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Chassis / Steering Angle Sensor / Data List.

    5. Read the Data List according to the display on the GTS.


      Chassis > Steering Angle Sensor > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Wiper OFF Switch Front wiper switch OFF position signal OFF or ON

      OFF: Front wiper switch not in OFF position

      ON: Front wiper switch in OFF position

      		 -
      Wiper Auto/Int Switch Front wiper switch AUTO*2 or INT*3 position signal OFF or ON

      OFF: Front wiper switch not in AUTO*2 or INT*3 position

      ON: Front wiper switch in AUTO*2 or INT*3 position

      		 -
      Wiper Lo Switch Front wiper switch LO position signal OFF or ON

      OFF: Front wiper switch not in LO position

      ON: Front wiper switch in LO position

      		 -
      Wiper Hi Switch Front wiper switch HI position signal OFF or ON

      OFF: Front wiper switch not in HI position

      ON: Front wiper switch in HI position

      		 -
      Wiper Mist Switch Front wiper switch MIST position signal OFF or ON

      OFF: Front wiper switch not in MIST position

      ON: Front wiper switch in MIST position

      		 -
      Washer Switch Washer switch ON position signal OFF or ON

      OFF: Front washer switch not in ON position

      ON: Front washer switch in ON position

      		 -
      Intermittent Time Volume

      Auto sensitivity adjustment switch condition*2

      Intermittent time adjustment switch condition*3

      		 Shortest, Shorter, Longer, Longest

      Shortest: P4

      Shorter: P3

      Longer: P2

      Longest: P1

      		 *1

      • *1: Refer to Inspection for each position of the switch.

        Click here

      • *2: w/ Auto Wiper System

      • *3: w/o Auto Wiper System


      Chassis > Steering Angle Sensor > Data List
      Tester Display
      Wiper OFF Switch
      Wiper Auto/Int Switch
      Wiper Lo Switch
      Wiper Hi Switch
      Wiper Mist Switch
      Washer Switch
      Intermittent Time Volume
      OK
      The GTS display changes correctly in response to the windshield wiper switch assembly operation.
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

  2. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY


    1. Remove the windshield wiper switch assembly.

      Click here

    2. Inspect the windshield wiper switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY Click here

    OK

  3. INSPECT STEERING WHEEL SWITCH HOUSING


    1. Remove the steering wheel switch housing.

      Click here

    2. Inspect the steering wheel switch housing.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE STEERING SENSOR Click here

    NG

    REPLACE STEERING WHEEL SWITCH HOUSING Click here