WIPER AND WASHER SYSTEM DATA LIST / ACTIVE TEST


  1. READ DATA LIST

    Tech Tips

    Using the intelligent tester to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

    Note

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.


    1. Warm up the engine.

    2. Turn the engine switch off.

    3. Conned the intelligent tester or to the DLC3.

    4. Turn the engine switch on (IG).

    5. Turn the tester on.

    6. Enter the following menus: Body / Entry & Start / Data List.

    7. According to the display on tester, read the "Data List"

      Windshield wiper switch:
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      F Wiper LO Switch Front wiper LO switch / ON or OFF

      ON: Front wiper switch in LO position

      OFF: Wiper switch not in LO position

      		 -
      F Wiper HI Switch Front wiper HI switch / ON or OFF

      ON: Front wiper switch in HI position

      OFF: Wiper switch not in HI position

      		 -
      F Wiper AUTO Switch Front wiper AUTO switch / ON or OFF

      ON: Front wiper switch in AUTO position

      OFF: Wiper switch not in AUTO position

      		 -
      F Wiper MIST Switch Front wiper MIST switch / ON or OFF

      ON: Front wiper switch in MIST position

      OFF: Wiper switch not in MIST position

      		 -
      F Washer Switch Front washer switch / ON or OFF

      ON: Front washer switch ON

      OFF: Front washer switch OFF

      		 -
      Wiper Volume Position Wiper volume position / 0-90 degrees

      0 degrees / FR wiper volume "+" position

      27 degrees / Switch is turned one notch towards the "-" side from the FR wiper volume "+" position

      63 degrees / Switch is turned one notch towards the "+" side from the FR wiper volume "-" position

      90 degrees / FR wiper volume "-" position

      		 -
      IG Switch SIG Engine switch signal / ON or OFF

      ON: Engine switch on (IG)

      OFF: Engine switch off

      		 -
    Rain Sensor:
    Tester Display Measurement Item/Range Normal Condition Diagnostic Note
    Rain Sensor Cold Rain sensor cold / COLD or OK

    COLD: Front wiper switch in AUTO position

    OK: Wiper switch not in AUTO position

    		 -
    Rain Sensor Hot Rain sensor cold / HOT or OK

    HOT: Front wiper switch in AUTO position

    OK: Wiper switch not in AUTO position

    		 -
    Front light ECU:
    Tester Display Measurement Item/Range Normal Condition Diagnostic Note
    IG Switch SIG Engine switch signal / ON or OFF

    ON: Engine switch on (IG)

    OFF: Engine switch off

    		 -
    Min body ECU:
    Tester Display Measurement Item/Range Normal Condition Diagnostic Note
    Stop Light Switch Stop light switch signal / ON or OFF

    ON: Stop light switch on

    OFF: Stop light switch off

    		 -
    Parking brake ECU:
    Tester Display Measurement Item/Range Normal Condition Diagnostic Note
    Parking Brake Switch Parking brake switch signal / ON or OFF

    ON: Parking brake switch on

    OFF: Parking brake switch off

    		 -

  2. PERFORM ACTIVE TEST

    Tech Tips

    Using the intelligent tester to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

    Note

    When a BODY NO. 5 (front light ECU) related vehicle switch is ON, Active Test items related to the vehicle switch are prohibited (double operation prohibition). Check that the vehicle switches are OFF before performing Active Tests.


    1. Warm up the engine.

    2. Turn the engine switch off.

    3. Connect the intelligent tester or to the DLC3.

    4. Turn the engine switch on (IG).

    5. Turn the tester on.

    6. Enter the following menus.

    7. According to the display on tester, perform the "Active Test"

      Front light ECU:
      Tester Display Test Part Control Range
      Wiper Mot (HI) Wiper motor HI operation ON / OFF
      Wiper Mot (LO) Wiper motor LO operation ON / OFF
      Washer Motor Washer motor operation ON / OFF