WIPER AND WASHER SYSTEM Front Wiper Motor Circuit

DESCRIPTION

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

WIRING DIAGRAM

A01NG29E02
A01NG29E03

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY


    1. for LHD:


      1. Remove the windshield wiper motor assembly Click here.

      2. A01NFORE35
        Text in Illustration
        *1

        Component without harness connected

        (Windshield Wiper Motor Assembly)

        Check LO operation.

        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.

        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).

    2. for RHD:


      1. Remove the windshield wiper motor assembly Click here.

      2. A01NFORE37
        Text in Illustration
        *1

        Component without harness connected

        (Windshield Wiper Motor Assembly)

        Check LO operation.

        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).

      3. Check HI operation.

        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. for LHD:


      1. A01NHY0E09
        Text in Illustration
        *1

        Front view of wire harness connector

        (to Windshield Wiper Motor Assembly)

        Disconnect the A34 windshield wiper motor connector.

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

        Standard Voltage
        Tester Connection Condition Specified Condition
        A34-2 (B) - Body ground Power switch on (IG) 11 to 14 V

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        A34-5 (E) - Body ground Always Below 1 Ω

    2. for RHD:


      1. A01NHY0E10
        Text in Illustration
        *1

        Front view of wire harness connector

        (to Windshield Wiper Motor Assembly)

        Disconnect the A34 windshield wiper motor connector.

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

        Standard Voltage
        Tester Connection Condition Specified Condition
        A34-2 (B) - Body ground Power switch on (IG) 11 to 14 V

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        A34-4 (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 SWITCH)


    1. for LHD:


      1. A01NELQE01
        Text in Illustration
        *1

        Front view of wire harness connector

        (to Windshield Wiper Motor Assembly)
        *2

        Front view of wire harness connector

        (to Windshield Wiper Switch Assembly)

        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
        F42-8 (+1) - A34-1 (+1) Always Below 1 Ω
        A34-1 (+1) - Body ground Always 10 kΩ or higher
        F42-9 (+2) - A34-4 (+2) Always Below 1 Ω
        A34-4 (+2) - Body ground Always 10 kΩ or higher
        F42-18 (+S) - A34-3 (+S) Always Below 1 Ω
        A34-3 (+S) - Body ground Always 10 kΩ or higher

    2. for RHD Light Control Switch LH Side Type:


      1. A01NELQE02
        Text in Illustration
        *1

        Front view of wire harness connector

        (to Windshield Wiper Motor Assembly)
        *2

        Front view of wire harness connector

        (to Windshield Wiper Switch Assembly)

        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
        F42-8 (+1) - A34-5 (+1) Always Below 1 Ω
        A34-5 (+1) - Body ground Always 10 kΩ or higher
        F42-9 (+2) - A34-3 (+2) Always Below 1 Ω
        A34-3 (+2) - Body ground Always 10 kΩ or higher
        F42-18 (+S) - A34-1 (+S) Always Below 1 Ω
        A34-1 (+S) - Body ground Always 10 kΩ or higher

    3. for RHD Light Control Switch RH Side Type:


      1. A01NELQE03
        Text in Illustration
        *1

        Front view of wire harness connector

        (to Windshield Wiper Motor Assembly)
        *2

        Front view of wire harness connector

        (to Windshield Wiper Switch Assembly)

        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
        F81-2 (+1) - A34-5 (+1) Always Below 1 Ω
        A34-5 (+1) - Body ground Always 10 kΩ or higher
        F81-1 (+2) - A34-3 (+2) Always Below 1 Ω
        A34-3 (+2) - Body ground Always 10 kΩ or higher
        F81-10 (+S) - A34-1 (+S) Always Below 1 Ω
        A34-1 (+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