Washer Motor Circuit

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

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (WASHER MOTOR)

(a) Connect the Techstream to the DLC3.

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

(c) Select the item below in the ACTIVE TEST and then check that the washer motor operates.

Body No. 5 (Front Controller):





OK:

Washer motor operates.

NG -- CHECK ENGINE ROOM NO. 2 J/B (FRONT CONTROLLER - ENGINE ROOM NO. 2 J/B, BODY GROUND)

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)

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





Standard voltage:





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

Standard resistance:





NG -- CHECK HARNESS OR CONNECTOR (FRONT CONTROLLER - BODY GROUND)
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

4. CHECK HARNESS OR CONNECTOR (FRONT CONTROLLER - BODY GROUND)

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





Standard voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT CONTROLLER - BODY GROUND)

OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT CONTROLLER - BATTERY)