Interpreting Results and Next Steps. A reading of infinite resistance indicates a broken wire, while a reading close to zero suggests a shorted coil, both of which necessitate replacement.
Understanding VTEC Solenoid Test Results and What They Mean
Whether you are dealing with a rough idle, a lack of mid-range power, or a check engine light related to VTEC, verifying the solenoid itself is the logical first step. This identifies burnt windings or an open circuit.
Even if the solenoid clicks electrically, a faulty internal seal means it cannot build the necessary pressure to physically move the VTEC actuator, rendering the system inoperative. You should see voltage when the engine is idling and again when you rev the engine to approximately 2,000 RPMs, at which point the PCM grounds the solenoid to allow VTEC engagement.
Understanding VTEC Solenoid Test Results and What They Mean
Preparation and Safety Precautions Before touching any components, ensure the engine is completely cool and the ignition is off. After removing the solenoid, attach a fitting that allows you to push hydraulic fluid through it.
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