Oil Pressure Switch Inspection

WARNING: This page is about a different car, the 2003 Suzuki XL-7 and 2003 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Use an ohmmeter to check switch continuity.

Oil pressure switch specifications

During engine running: No continuity (infinity Ω)

At engine stop: Continuity (0 Ω)

Fig 1: Checking Oil Pressure Switch

Courtesy of SUZUKI OF AMERICA CORP.