Washer Motor Circuit

WASHER MOTOR CIRCUIT





Diagnosis Procedure
Regarding Wiring Diagram information, Front Wiper And Washer System, Rear Wiper And Washer System.
1. CHECK FRONT WASHER MOTOR FUSE
1. Turn the ignition switch OFF.
2. Check that the following fuse is not blown.





Is the fuse blown?
YES - Replace the fuse after repairing the affected circuit.
NO - GO TO 2
2. CHECK WIPER AND WASHER SWITCH INPUT VOLTAGE
1. Disconnect combination switch (wiper and washer switch).
2. Turn the ignition switch ON.
3. Check voltage between combination switch (wiper and washer switch) harness connector and ground.





Is the measurement value normal?
YES - GO TO 3
NO - Repair or replace harness.
3. CHECK WIPER AND WASHER SWITCH GROUND CIRCUIT
Check continuity between combination switch (wiper and washer switch) harness connector and ground.





Does continuity exist?
YES - GO TO 4
NO - Repair or replace harness.
4. CHECK WIPER AND WASHER SWITCH
Check wiper and washer switch. Component Inspection.
Is the inspection result normal?
YES - GO TO 5
NO - Replace wiper and washer switch. Service and Repair.
5. CHECK FRONT AND REAR WASHER MOTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Connect combination switch (wiper and washer switch).
3. Disconnect front and rear washer motor.
4. Turn ignition switch ON.
5. Check voltage between front and rear washer motor harness connector and ground.





Is the measurement value normal?
YES - Replace front and rear washer motor. Service and Repair.
NO - Repair or replace harness.