OCV (Oil Control Valve) Inspection

Remove OCV. See OCV (OIL CONTROL VALVE) REMOVAL AND INSTALLATION
Check resistance between terminals of OCV connector (1).
If check result is not satisfactory, replace OCV.

Oil control valve resistance

6.7 - 7.7 Ω (at 20 °C (68 °F))

Fig 1: Checking Oil Control Valve Resistance
Courtesy of SUZUKI OF AMERICA CORP.
Connect battery to OCV connector (1) as shown in figure, check operating sound at the same time operate spool valve (2).

Fig 2: Connecting Battery To OCV Connector
Courtesy of SUZUKI OF AMERICA CORP.