Front Washer Motor Inspection

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Wiper And Washer. Lexus Is250, Is220D. Gse20 Ale20

  1. INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY

  2. INSPECT HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY

  3. INSPECT HEADLIGHT CLEANER CONTROL RELAY

  4. INSPECT WASHER FLUID LEVEL SENSOR

Front Washer Motor -- Inspection



1. INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY
HINT:
This check should be performed with the front washer motor and pump installed to the washer jar.


    Lexus Is250, Is220D. Gse20 Ale20.Wiper And Washer.Wiper And Washer System.Front Washer Motor  Inspection
  1. Fill the washer jar with washer fluid.

  1. Connect the positive (+) battery lead to terminal 1 of the washer motor and pump, and the negative (-) lead to terminal 2.

  1. Check that washer fluid flows from the washer jar.

    OK:
    Washer fluid is pumped from the washer jar.


2. INSPECT HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY
HINT:
This check should be performed with the headlight cleaner motor and pump installed to the washer jar.


    Lexus Is250, Is220D. Gse20 Ale20.Wiper And Washer.Wiper And Washer System.Front Washer Motor  Inspection
  1. Fill the washer jar with washer fluid.

  1. Connect a positive (+) battery lead to terminal 1 of the headlight cleaner motor and pump, and a negative (-) lead to terminal 2.

  1. Check that washer fluid flows from the washer jar.

    OK:
    Washer fluid is pumped from the washer jar.


3. INSPECT HEADLIGHT CLEANER CONTROL RELAY


    Lexus Is250, Is220D. Gse20 Ale20.Wiper And Washer.Wiper And Washer System.Front Washer Motor  Inspection
  1. Inspect headlight cleaner control relay operation.

    1. Measure the resistance between terminals 4 (E) and 6 (PB).

    2. Connect the positive (+) battery lead to terminal 3 (IG) of the connector, and the negative (-) battery lead to terminal 4 (E).

    3. Connect the negative (-) battery lead to terminal 1 (HOLD) and 2 (H), and measure the resistance between terminals 4 (E) and 6 (PB).

      Standard resistance:
      Tester Connection
      Condition
      Specified Condition
      4 (E) - 6 (PB)
      Always
      10 kΩor higher
      4 (E) - 6 (PB)
      When apply the battery voltage
      Below 1 Ω
      4 (E) - 6 (PB)
      0.8 to 0.9 seconds after apply the battery voltage
      10 kΩ or higher
    4. Disconnect the negative (-) battery lead from terminal 1 (HOLD) and 2 (H).

    5. Disconnect the positive (+) battery lead from terminal 3 (IG), and then reconnect it.



    6. Lexus Is250, Is220D. Gse20 Ale20.Wiper And Washer.Wiper And Washer System.Front Washer Motor  Inspection
    7. Connect the negative (-) battery lead to terminals 1 (HOLD) and 5 (FRWA), and measure the resistance between terminals 4 (E) and 6 (PB).

      Standard resistance:
      Tester Connection
      Condition
      Specified Condition
      4 (E) - 6 (PB)
      When apply the battery voltage
      Below 1 Ω
      4 (E) - 6 (PB)
      0.8 to 0.9 seconds after apply the battery voltage
      10 kΩ or higher


4. INSPECT WASHER FLUID LEVEL SENSOR
HINT:
This check should be performed with the windshield washer motor and pump installed to the washer jar.
  1. Fill the washer jar with washer fluid.

  1. Disconnect the connector from the washer fluid level sensor.

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

    Standard resistance:
    Fluid Volume
    Specified Condition
    More than 70 to 900 ml
    10 kΩ or higher
    Less than 700 to 900 ml
    Below 1 Ω