Brake Fluid Level Sensor/Switch: Testing and Inspection

INSPECT BRAKE FLUID LEVEL WARNING SWITCH
a. Remove the reservoir tank cap and strainer.
b. Disconnect the connector.
c. Measure the resistance between the terminals.

Float up (switch off): 10 kOhms or higher

d. Use a syphon, etc., to take fluid out of the reservoir tank.
e. Measure the resistance between the terminals.

Float down (switch on): Below 1 Ohm

f. Pour the fluid back in the reservoir tank.
g. Reconnect the connector.