Washer Fluid Level Warning Switch Circuit

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

DESCRIPTION

The front light ECU receives washer fluid level warning switch information, and sends it through CAN line to the combination meter. The combination meter receives this information, and turns on the washer fluid level warning switch when the washer fluid becomes low.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (WASHER FLUID LEVEL WARNING SWITCH)

(a) Check the Data List for proper functioning of the washer fluid level warning switch.

OK:

The display is as specified in the normal condition.

Front light ECU:





OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG -- Continue to next step.

2. INSPECT WASHER FLUID LEVEL WARNING SWITCH

(a) Remove the warning switch.





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

Standard resistance:





NG -- REPLACE WASHER FLUID LEVEL WARNING SWITCH
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (WARNING SWITCH - FRONT LIGHT ECU AND BODY GROUND)

(a) Disconnect the A2 switch connector.





(b) Disconnect the A52 ECU connector.

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

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

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