Component Tests and General Diagnostics
WIPER / WASHER: WIPER AND WASHER SYSTEM: Washer Fluid Level Warning Switch Circuit
- Washer Fluid Level Warning Switch Circuit
DESCRIPTION
When the volume of washer fluid decreases to below a certain level (when the level warning switch is turned on), the combination meter warns the driver through illumination of the washer level warning light.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. READ VALUE USING TECHSTREAM (LEVEL WARNING SWITCH)
(a) Use the Data List to check if the level warning switch is functioning properly Scan Tool Testing and Procedures.
Combination Meter
OK:
On the Techstream screen, item changes between ON and OFF according to the above chart.
NG -- INSPECT LEVEL WARNING SWITCH ASSEMBLY
OK -- Continue to next step.
2. PERFORM ACTIVE TEST USING TECHSTREAM (WASHER LEVEL WARNING LIGHT)
(a) Operate the Techstream according to the display and select Active Test Scan Tool Testing and Procedures.
Combination Meter
OK:
Washer level warning light condition can be switched by Active Test.
NG -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures
OK -- Continue to next step.
3. INSPECT LEVEL WARNING SWITCH ASSEMBLY
(a) Remove the level warning switch Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
HINT
When the fluid volume is between 500 and 900 cc (30.5 and 54.9 cu.in.), the level warning switch may be on or off.
NG -- REPLACE LEVEL WARNING SWITCH ASSEMBLY Removal
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (LEVEL WARNING SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY AND BODY GROUND)
(a) Disconnect the A17 level warning switch connector.
(b) Disconnect the C50 combination meter 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 SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures