Wiper And Washer System Washer Motor Circuit

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Wiper And Washer. Lexus Is250, Is220D. Gse20 Ale20

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (WASHER MOTOR)

CHECK ENGINE ROOM NO. 2 J/B (FRONT CONTROLLER - ENGINE ROOM NO. 2 J/B, BODY GROUND)

INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY

CHECK HARNESS OR CONNECTOR (FRONT CONTROLLER - BODY GROUND)

WIPER AND WASHER SYSTEM - Washer Motor Circuit


DESCRIPTION

The front controller receives washer switch condition (on or off) information from the windshield wiper switch assembly, and operates the WASH relay.

WIRING DIAGRAM


Lexus Is250, Is220D. Gse20 Ale20.Wiper And Washer.Wiper And Washer System.Wiper And Washer System Washer Motor Circuit


INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (WASHER MOTOR)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the engine switch on (IG) and turn the intelligent tester main switch on.

  1. Select the item below in the ACTIVE TEST and then check that the washer motor operates.

    Body No. 5 (Front Controller):
    Item
    		Test Details
    		Diagnostic Note
    Washer Motor Operation
    		Washer motor operation OFF / ON
    		-
    OK:
    Washer motor operates.


NG
Go to step 2
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

2.CHECK ENGINE ROOM NO. 2 J/B (FRONT CONTROLLER - ENGINE ROOM NO. 2 J/B, BODY GROUND)


  1. Measure the voltage according to the value(s) in the table below with the connectors connected.


    Lexus Is250, Is220D. Gse20 Ale20.Wiper And Washer.Wiper And Washer System.Wiper And Washer System Washer Motor Circuit


    Standard voltage:

    Tester Connection
    		Condition
    		Specified Condition
    2E-1 (ALTB) - 2F-1 (E)
    		Engine switch on (IG) and washer switch ON
    		10 to 14 V

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

    Standard resistance:

    Tester Connection
    		Condition
    		Specified Condition
    2F-1 (E) - Body ground
    		Always
    		Below 1 Ω


NG
Go to step 4
OK


3.INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20

  1. Disconnect the washer motor connector.

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

    OK:
    Washer motor operates.


NG
REPLACE WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY
OK

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS OR CONNECTOR (FRONT CONTROLLER - BODY GROUND)


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


    Lexus Is250, Is220D. Gse20 Ale20.Wiper And Washer.Wiper And Washer System.Wiper And Washer System Washer Motor Circuit


    Standard voltage:

    Tester Connection
    		Condition
    		Specified Condition
    2E-1 (ALTB) - Body ground
    		Always
    		10 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT CONTROLLER - BODY GROUND)
OK

REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT CONTROLLER - BATTERY)