Tundra 2WD V6-3.4L (5VZ-FE) (2004)
Brake Warning Indicator: Testing and Inspection
Component Inspection
INSPECT BRAKE WARNING LIGHT
(a) Disconnect the connector from the brake fluid warning switch.
(b) Release the parking brake pedal.
(c) Connect the terminals on the harness side of the level warning switch connector.
(d) Start the engine, and check that the warning light lights up.
If the warning light does not light up, inspect the bulb or wire harness.