Brake Fluid Level Switch On-Vehicle Inspection

WARNING: This page is about a different car, the 2003 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Use an ohmmeter to check switch for continuity. If found defective, replace switch (reservoir).

Brake fluid level switch specification
1. OFF position (float up): No continuity
2. ON position (float down): Continuity
Fig 1: Checking Continuity Of Brake Fluid Level Switch
Courtesy of SUZUKI OF AMERICA CORP.