Washer Fluid Level Warning Switch Circuit

WIPER / WASHER: WIPER AND WASHER SYSTEM: Washer Fluid Level Warning Switch Circuit
- Washer Fluid Level Warning Switch Circuit

DESCRIPTION

The front controller receives washer fluid level warning switch condition (on or off) information, and sends it through multiplex communication lines to the combination meter.

The combination meter receives this information, and turns on the washer fluid level warning light when the washer fluid level becomes low.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Body No. 5 / Data List.

(e) Read the display on the Techstream.

Body No. 5 (Front Controller)





NG -- INSPECT LEVEL WARNING SWITCH ASSEMBLY

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures

2. INSPECT LEVEL WARNING SWITCH ASSEMBLY

HINT
The following check should be performed with the windshield washer motor and pump installed to the washer jar.

(a) Fill the washer jar with washer fluid.

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





Standard Resistance:





Text in Illustration





NG -- REPLACE LEVEL WARNING SWITCH ASSEMBLY Components
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (LEVEL WARNING SWITCH - FRONT CONTROLLER AND BODY GROUND)

(a) Disconnect the 2F front controller 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 FRONT CONTROLLER (MULTIPLEX NETWORK BODY ECU)