Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
VSV For Acoustic Control Induction System (ACIS): Inspection
- REMOVE V-BANK COVER, AND EMISSION CONTROL VALVE SET
- REMOVE VSV
- Disconnect the 2 vacuum hoses from the VSV.
- Remove the screw and VSV.
- INSPECT VSV FOR OPEN CIRCUIT
Using an ohmmeter, check that there is continuity between each terminals.
Resistance: 33 - 39 Ω at 20°C (68°F)
If there is no continuity, replace the VSV.
- INSPECT VSV FOR GROUND
Using an ohmmeter, check that there is no continuity between each terminal and the body.
If there is continuity, replace the VSV.
- INSPECT VSV OPERATION
- Check that air flows from port E to the filter.
- Apply battery voltage across the terminals.
- Check that air flows from port E to port F.
If operation is not as specified, replace the VSV.
- REINSTALL VSV
- Install the VSV with the screw.
- Connect the 2 vacuum to the VSV.
- REINSTALL EMISSION CONTROL VALVE SET
- REINSTALL V-BANK COVER
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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