Washer Motor Circuit

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

DESCRIPTION

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

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FRONT WASHER MOTOR

(a) Remove the front washer motor Removal.





(b) Apply battery voltage to the windshield washer motor and check the operation of the windshield washer motor.

OK:





Text in Illustration





NG -- REPLACE FRONT WASHER MOTOR Removal
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (FRONT WASHER MOTOR - BODY GROUND)

(a) Disconnect the front washer motor connector.





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

Standard Voltage:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER SWITCH - BODY GROUND)

(a) Disconnect the E15 windshield wiper switch connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

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

(a) Disconnect the E15 windshield wiper switch connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE WINDSHIELD WIPER SWITCH Removal