T100 Extra Cab Pickup 4WD V6-3.4L (5VZ-FE) (1997)
Washer Fluid Level Switch: Testing and Inspection
INSPECT WASHER LEVEL SWITCH
1. Check that there is no continuity between terminals with the switch OFF (float up).
2. Check that there is continuity between terminals with the switch ON (float down).
If operation is not as specified, replace the switch.