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

DESCRIPTION

The windshield wiper relay assembly controls the windshield wiper motor assembly.

WIRING DIAGRAM

A011BD6E01
A011BD6E02

INSPECTION PROCEDURE

Note

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

PROCEDURE


  1. INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY


    1. Remove the windshield wiper motor assembly Click here.

    2. A0117E4E32
      Text in Illustration
      *1 for LHD
      *2

      Component without harness connected

      (Windshield Wiper Motor Assembly)

      Check LO operation (for LHD).


      1. Connect a battery positive (+) lead to terminal 1 (+1) and a negative (-) lead to terminal 5 (E), and check that the motor operates at low speed (LO).

        OK
        Motor operates at low speed (LO).

    3. Check HI operation.


      1. Connect a battery positive (+) lead to terminal 4 (+2) and a negative (-) lead to terminal 5 (E), and check that the motor operates at high speed (HI).

        OK
        Motor operates at high speed (HI).
    4. A0117E4E30
      Text in Illustration
      *1 for RHD
      *2

      Component without harness connected

      (Windshield Wiper Motor Assembly)

      Check LO operation (for RHD).


      1. Connect a battery positive (+) lead to terminal 5 (+1) and a negative (-) lead to terminal 4 (E), and check that the motor operates at low speed (LO).

        OK
        Motor operates at low speed (LO).

    5. Check HI operation.


      1. Connect a battery positive (+) lead to terminal 3 (+2) and a negative (-) lead to terminal 4 (E), and check that the motor operates at high speed (HI).

        OK
        Motor operates at high speed (HI).

    NG

    REPLACE WINDSHIELD WIPER MOTOR ASSEMBLY Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER MOTOR ASSEMBLY - BATTERY AND BODY GROUND)


    1. A01185AE08
      Text in Illustration
      *1 for LHD
      *2

      Front view of wire harness connector

      (to Windshield Wiper Motor Assembly)

      for LHD


      1. Disconnect the A20 windshield wiper motor connector.

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

        Standard Voltage
        Tester Connection Condition Specified Condition
        A20-2 (B) - Body ground Engine switch on (IG) 11 to 14 V
        Standard Resistance
        Tester Connection Condition Specified Condition
        A20-5 (E) - Body ground Always Below 1 Ω
    2. A01185AE07
      Text in Illustration
      *1 for RHD
      *2

      Front view of wire harness connector

      (to Windshield Wiper Motor Assembly)

      for RHD


      1. Disconnect the A20 windshield wiper motor connector.

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

        Standard Voltage
        Tester Connection Condition Specified Condition
        A20-2 (B) - Body ground Engine switch on (IG) 11 to 14 V
        Standard Resistance
        Tester Connection Condition Specified Condition
        A20-4 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. A0119GEE07
      Text in Illustration
      *1 for LHD
      *2

      Front view of wire harness connector

      (to Windshield Wiper Motor Assembly)
      *3

      Front view of wire harness connector

      (to Windshield Wiper Relay Assembly)

      for LHD


      1. Disconnect the D41 windshield wiper relay assembly connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        A20-1 (+1) - D41-2 (+1) Always Below 1 Ω
        A20-1 (+1) - Body ground Always 10 kΩ or higher
        A20-4 (+2) - D41-3 (+2) Always Below 1 Ω
        A20-4 (+2) - Body ground Always 10 kΩ or higher
        A20-3 (+S) - D41-10 (+SM) Always Below 1 Ω
        A20-3 (+S) - Body ground Always 10 kΩ or higher
    2. A0119GEE08
      Text in Illustration
      *1 For RHD
      *2

      Front view of wire harness connector

      (to Windshield Wiper Motor Assembly)
      *3

      Front view of wire harness connector

      (to Windshield Wiper Relay Assembly)

      for RHD


      1. Disconnect the D41 windshield wiper relay assembly connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        A20-5 (+1) - D41-2 (+1) Always Below 1 Ω
        A20-5 (+1) - Body ground Always 10 kΩ or higher
        A20-3 (+2) - D41-3 (+2) Always Below 1 Ω
        A20-3 (+2) - Body ground Always 10 kΩ or higher
        A20-1 (+S) - D41-10 (+SM) Always Below 1 Ω
        A20-1 (+S) - 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