Tacoma 4WD V6-4.0L (1GR-FE) (2006)
Low Fuel Lamp/Indicator: Testing and Inspection
INSPECT FUEL LEVEL WARNING LIGHT
a. Disconnect the fuel sender gauge connector.
b. Turn the ignition switch to the ON position, then check that the fuel level needle indicates EMPTY and the fuel level warning light comes on.
OK: Fuel level warning light comes on.
c. Reconnect the fuel sender gauge connector.