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.
On-Vehicle Inspection
- CHECK INTAKE AIR CONTROL FUNCTION
- Connect the intelligent tester or Techstream to the DLC3.
- Turn the engine switch on (IG).
- Push the tester main switch ON.
- Enter the following menus:
- Intelligent tester - Select: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / INTAKE CTL VSV1.
- Techstream - Select: Powertrain / Engine / Active Test / Activate the VSV for Intake Control.
- When power is supplied, check that the actuator rod operates.
- INSPECT AIR CLEANER FILTER ELEMENT
- Check that the air cleaners are not excessively dirty. If the air cleaners are excessively dirty, replace both of them at the same time.
- If cleaning the air cleaner filter element, blow compressed air as shown in the illustration to clean it.
Clean both air cleaner filters at the same time.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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