Parking Brake Switch On-Vehicle Inspection
WARNING: This page is about a different car, the 2004 Suzuki XL-7 and 2004 Suzuki Grand 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.
Parking brake switch specifications
OFF position (parking brake lever released): No continuity
ON position (parking brake lever pulled up): Continuity