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

INSPECTION PROCEDURE

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

1. Connect the intelligent tester to the DLC3.

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

3. 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.
   
   

   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

2. 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

1. Disconnect the washer motor connector.

2. 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.
   
   

   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)