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VTEC Valve Inspection
- Disconnect the 2P connector from the VTEC solenoid valve.
- Measure resistance between the YEL (front) or BLU/YEL (rear) terminal and body ground. See Fig 1
.
- If the resistance is within specifications, remove the VTEC valve assembly from the cylinder head, and check the VTEC valve filter for clogging. See Fig 2
. If there is clogging, replace the engine oil filter and engine oil.
- If filters are normal, push the VTEC solenoid valve with your finger and check its movement. See Fig 3
. If VTEC solenoid valve is normal, check the engine oil pressure.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Courtesy of AMERICAN HONDA MOTOR CO., INC.