Tundra 4WD V8-4.7L (2UZ-FE) (2003)
Washer Fluid Level Indicator: Testing and Inspection
INSPECT WASHER LEVEL WARNING LIGHT
a. Disconnect the connectors from the level warning switch.
b. Connect terminals on the wire harness side connector of the level warning switch connector.
c. Turn the ignition switch ON, check that the warning light comes on.
If the warning light does not light up, test the bulb.