S2000 L4-1997cc 2.0L DOHC (VTEC) MFI (2001)
Variable Valve Timing Solenoid: Testing and Inspection
VTEC Solenoid Valve Test
1. Disconnect the 1P connector from the VTEC solenoid valve.
2. Measure resistance between the terminal and body ground.
3. 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 there is clogging, replace the engine oil filter and the engine oil.