VTEC Solenoid Valve Removal/Inspection

Disconnect the VTEC solenoid valve 2P connector.
Measure resistance between VTEC solenoid valve 2P connector terminals No. 1 and No. 2.
Resistance: 14-30 ohm

Fig 1: Measuring Resistance Between VTEC Solenoid Valve 2-Pin Connector Terminals No. 1 & No. 2
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the resistance is within specifications, remove the VTEC solenoid valve assembly (A) from the cylinder head, and check the VTEC solenoid valve filter (B) for clogging. If it is clogged, replace the solenoid valve filter, the engine oil filter, and the engine oil.

Fig 2: Removing VTEC Solenoid Valve Assembly From Cylinder Head
Courtesy of AMERICAN HONDA MOTOR CO., INC.