Variable Valve Timing Solenoid: Service and Repair

VTEC Solenoid Valve Removal/Inspection

1. Disconnect the VTEC solenoid valve 2P connector.




2. Measure resistance between VTEC solenoid valve connector terminals No.1 and No.2.




3. If the resistance is within specifications, remove the cover (A), then remove the VTEC solenoid valve assembly (B) from the cylinder head, and check the VTEC solenoid valve filter (C) for clogging. If it is clogged, replace the solenoid valve filter, the engine oil filter, and the engine oil.