Washer Motor Circuit
WIPER / WASHER: WIPER AND WASHER SYSTEM: 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 connector and check the operation of the windshield washer motor.
OK:
NG -- REPLACE FRONT WASHER MOTOR
OK -- Continue to next step.
2. INSPECT REAR WASHER MOTOR
(a) Remove the rear washer motor Removal.
(b) Apply battery voltage to the windshield washer motor connector and check the operation of the windshield washer motor.
OK:
NG -- REPLACE REAR WASHER MOTOR
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (FRONT WASHER MOTOR - BATTERY)
(a) Disconnect the front washer motor connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (REAR WASHER MOTOR - BATTERY)
(a) Disconnect the rear washer motor connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
5. 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:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
6. CHECK HARNESS AND CONNECTOR (FRONT WASHER MOTOR - WINDSHIELD WIPER SWITCH)
(a) Disconnect the E15 windshield wiper switch connector.
(b) Disconnect the washer motor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
7. CHECK HARNESS AND CONNECTOR (REAR WASHER MOTOR - WINDSHIELD WIPER SWITCH)
(a) Disconnect the E16 windshield wiper switch connector.
(b) Disconnect the washer motor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE WINDSHIELD WIPER SWITCH