Washer Fluid Level Warning Switch Circuit [09/2020 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > Combination Meter > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Washer Switch	Washer fluid level warning switch	OFF or ON	OFF: Washer fluid level not low ON: Washer fluid level low	-

   Body Electrical > Combination Meter > Data List 

   Tester Display
   Washer Switch

   Result

   Result	Proceed to
   The Data List item changes correctly	A
   The Data List item do not change correctly	B

Result: 

A 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

Result: 

B 

See step  2

1. Inspect the level warning switch assembly.

   Refer to INSPECTION [09/2014 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE LEVEL WARNING SWITCH ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

Result: 

OK 

See step  3

1. Disconnect the A43 level warning switch assembly connector.
2. Disconnect the O3 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A43-1 (S) - O3-16 (WLVL)	Always	Below 1 Ω
   A43-1 (S) or O3-16 (WLVL) - Body ground	Always	10 kΩ or higher
   A43-2 (E) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR