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Home >> Acura >> 2003 >> 1.7EL Standard >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> VTEC Solenoid Valve Test
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VTEC Solenoid Valve Test

  1. Remove the resonator (see RESONATOR REPLACEMENT ).
  2. Disconnect the VTEC solenoid valve 1P connector.
  3. Measure resistance between the VTEC solenoid valve connector terminal No. 1 and body ground.

    Resistance: 14-30 ohm 

    Fig 1: Measuring Resistance Between VTEC Solenoid Valve Connector Terminal No. 1 & Body Ground
    G01954836
  4. 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 solenoid valve filter, the engine oil filter, and the engine oil.
    Fig 2: Removing VTEC Solenoid Valve Assembly From Cylinder Head
    G01954837
  5. If the filter is not clogged, push the VTEC solenoid valve with your finger and check its movement. If the VTEC solenoid valve is normal, check the engine oil pressure.
    Fig 3: Checking VTEC Solenoid Valve Movement
    G01954838
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