Grand Vitara 2WD V6-2.5L (2004)
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 specifications
OFF position (float up): No continuity
ON position (float down): Continuity