RX 300 FWD V6-3.0L (1MZ-FE) (1999)
Brake Fluid Level Sensor/Switch: Testing and Inspection
INSPECT BRAKE FLUID LEVEL WARNING SWITCH CONTINUITY
a. Remove the reservoir tank cap and strainer.
b. Disconnect the connector.
c. Check that no continuity exists between the terminals with the switch OFF (float up).
d. Use siphon, etc.. to take fluid out of the reservoir tank.
e. Check that continuity exists between the terminals with the switch ON (float down)
f.
Pour the fluid back in the reservoir.
If operation is not as specified, replace the switch.
INSPECT BRAKE FLUID LEVEL WARNING SWITCH CIRCUIT