XL-7 Limited 4WD V6-2.7L (2002)
Brake Fluid Level Sensor/Switch: Testing and Inspection
Brake Fluid Level Switch On-Vehicle Inspection
Use an ohmmeter to check switch for continuity.
If found defective, replace switch (reservoir).
Brake fluid level switch specification
OFF position (float up): No continuity
ON position (float down): Continuity