Washer Fluid Level Warning Switch Circuit: Procedure

HINT: 

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

1. Fill the washer jar with washer fluid.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1 (S) - 2 (E)	Fluid volume is more than 600 to 800 ml	10 kΩ or higher
   1 (S) - 2 (E)	Fluid volume is less than 600 to 800 ml	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *1	Component without harness connected (Level Warning Switch Assembly)

NG → See step   4 

OK: Go to next step 

1. Disconnect the F15 combination meter connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F15-7 (WLVL) - A41-1 (S)	Always	Below 1 Ω
   A41-2 (E) - Body ground	Always	Below 1 Ω
   F15-7 (WLVL) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of wire harness connector (to Level Warning Switch Assembly)
   *2	Front view of wire harness connector (to Combination Meter Assembly)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   3