WIPER AND WASHER SYSTEM Washer Motor Circuit

DESCRIPTION

The windshield wiper switch assembly controls the windshield washer motor and pump assembly.

WIRING DIAGRAM

A01NI0QE02

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY

    Tech Tips

    The following check should be performed with the windshield washer motor and pump assembly installed to the washer jar.


    1. Fill the washer jar with washer fluid.

    2. A01NFD0E02
      Text in Illustration
      *1

      Component without harness connected

      (Windshield Washer Motor and Pump Assembly)

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

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

      OK
      Washer fluid is pumped from the washer jar.

    NG

    REPLACE WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY - BATTERY)


    1. A01NHX8E02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Windshield Washer Motor and Pump Assembly)

      Disconnect the A40 windshield washer motor and pump assembly connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      A40-1 - Body ground Power switch on (IG) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS OR CONNECTOR (WIPER SWITCH - WINDSHIELD WIPER MOTOR AND PUMP ASSEMBLY)


    1. A01NFT8E01
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Windshield Wiper Switch Assembly)
      *2

      Front view of wire harness connector

      (to Windshield Washer Motor and Pump Assembly)

      for LHD, RHD Light Control Switch LH Side Type:


      1. Disconnect the F42 windshield wiper switch assembly connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        A40-2 - F42-2 (WF) Always Below 1 Ω
        A40-2 - Body ground Always 10 kΩ or higher
    2. A01NFT8E02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Windshield Wiper Switch Assembly)
      *2

      Front view of wire harness connector

      (to Windshield Washer Motor and Pump Assembly)

      for RHD Light Control Switch RH Side Type:


      1. Disconnect the F81 windshield wiper switch assembly connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        A40-2 - F81-8 (WF) Always Below 1 Ω
        A40-2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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