Washer Motor Circuit

WIPER AND WASHER: WIPER AND WASHER SYSTEM: Washer Motor Circuit
- Washer Motor Circuit

DESCRIPTION

The front controller receives washer switch information from the windshield wiper switch, and operates the washer relay.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Body No. 5 / Active Test.

(e) Check the washer motor operation by performing the Active Test.

Body No. 5 (Front Controller):





OK:

Washer motor operates.

NG -- INSPECT ENGINE ROOM JUNCTION BLOCK ASSEMBLY (FRONT CONTROLLER)

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

2. INSPECT ENGINE ROOM JUNCTION BLOCK ASSEMBLY (FRONT CONTROLLER)

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





Voltage:





NG -- CHECK HARNESS AND CONNECTOR (BATTERY - FRONT CONTROLLER)
OK -- Continue to next step.

3. INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY

(a) Disconnect the washer motor connector.

(b) 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 (WASHER MOTOR CIRCUIT)

4. CHECK HARNESS AND CONNECTOR (BATTERY - FRONT CONTROLLER)

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





Voltage:





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

5. CHECK HARNESS AND CONNECTOR (IGNITION SWITCH CIRCUIT)

(a) Disconnect the 1G connector from the front controller.





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

Voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE