Brake Fluid Pressure Sensor/Switch: Testing and Inspection

INSPECT BRAKE FLUID LEVEL WARNING SWITCH
a. Remove the reservoir tank cap and strainer.
b. Disconnect the connector.
c. Check that no continuity exists between terminals with the switch OFF (float up).
d. Use a syphon etc. to take fluid out of the reservoir tank.
e. Check that continuity exists between terminals with the switch ON (float down).
f. Pour the fluid back in the reservoir tank.
If operation is not as specified, replace the switch.