Disconnect the oil control valve connector.
Pic. 2.103. Installing a special tool
Measure the resistance between terminals A and B with an ohmmeter (pic. 2.103).
If the measured result is not as specified, replace the oil control valve.
Pic. 2.117. Oil Control Valve Connector Pinouts (OCV)
The standard characteristic of ohmmeter readings is 6.9–7.9 ohms.