WIPER AND WASHER SYSTEM Washer Motor Circuit

DESCRIPTION

The windshield wiper ECU receives washer switch information from the front wiper switch, and operates the washer motor.

WIRING DIAGRAM

A01ESFYE02

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT FRONT WASHER MOTOR


    1. A01EMYXE01

      Remove the front washer motor Click here.

    2. Apply battery voltage to the windshield washer motor connector and check the operation of the windshield washer motor.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 1

      Battery negative (-) → Terminal 2

      		 Front washer motor operation is normal

    NG

    REPLACE FRONT WASHER MOTOR Click here

    OK

  2. INSPECT REAR WASHER MOTOR


    1. A01EOPHE03

      Remove the rear washer motor Click here.

    2. Apply battery voltage to the windshield washer motor connector and check the operation of the windshield washer motor.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 1

      Battery negative (-) → Terminal 2

      		 Rear washer motor operation is normal

    NG

    REPLACE REAR WASHER MOTOR Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (FRONT WASHER MOTOR - BODY GROUND)


    1. A01ENXJE02

      Disconnect the front washer motor connector.

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

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (REAR WASHER MOTOR - BODY GROUND)


    1. A01EPDQE01

      Disconnect the rear washer motor connector.

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

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER SWITCH - BODY GROUND)


    1. A01EN3DE01

      Disconnect the E15 windshield wiper switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E15-2 (EW) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. CHECK HARNESS AND CONNECTOR (FRONT WASHER MOTOR - WINDSHIELD WIPER SWITCH)


    1. A01ENNVE02

      Disconnect the E15 windshield wiper switch connector.

    2. Disconnect the washer motor connector.

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      2 - E15-3 (WF) Always Below 1 Ω
      2 - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      2 - E15-1 (WF) Always Below 1 Ω
      2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK HARNESS AND CONNECTOR (REAR WASHER MOTOR - WINDSHIELD WIPER SWITCH)


    1. A01EP3QE02

      Disconnect the E16 windshield wiper switch connector.

    2. Disconnect the washer motor connector.

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      2 - E16-5 (WR) Always Below 1 Ω
      2 - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      2 - E16-10 (WR) Always Below 1 Ω
      2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE WINDSHIELD WIPER SWITCH Click here