WIPER AND WASHER SYSTEM (w/ Rain Sensor) Washer Motor Circuit

DESCRIPTION

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

WIRING DIAGRAM

A003DLWE01

INSPECTION PROCEDURE

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (WINDSHIELD WASHER MOTOR - BATTERY)


    1. A003BOEE03
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Windshield Washer Motor)

      Disconnect the A13 motor connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A13-1 - Body ground Ignition switch ON 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY


    1. A003CN6E01
      Text in Illustration
      *1

      Component without harness connected

      (Windshield Washer Motor)

      Remove the windshield washer motor Click here.

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

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 1

      Battery negative (-) → Terminal 2

      		 Windshield washer motor operation is normal

    NG

    REPLACE WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (WINDSHIELD WASHER MOTOR - WINDSHIELD WIPER RELAY)


    1. A003AO2E01
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Windshield Washer Motor)
      *2

      Front view of wire harness connector

      (to Windshield Wiper Relay)

      Disconnect the A13 motor connector.

    2. Disconnect the D60 relay connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A13-2 - D60-25 (W) Always Below 1 Ω
      A13-2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (WINDSHIELD WASHER MOTOR AND BODY GROUND - WINDSHIELD WIPER SWITCH)


    1. A003CTXE01
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Windshield Washer Motor)
      *2

      Front view of wire harness connector

      (to Windshield Wiper Switch)

      Disconnect the D34 switch connector.

    2. Disconnect the A13 motor connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A13-2 - D34-3 (WF) Always Below 1 Ω
      D34-2 (EW) - Body ground Always Below 1 Ω
      D34-3 (WF) - 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