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.
Repair Procedures: Adjustment
Otherwise, engine performance or emission control related troubles may occur.
- Turn the ignition switch OFF.
- Connect the GDS to the Data Link Connector (DLC).
- Turn the ignition switch ON.
- Select the "Vehicle", "Model year", "Engine" and "System".
- Select the "Vehicle S/W Management".
- Select the "Inspection/Test".
- Select the "VCM Learning".
- Perform the VCM learning procedure according to the message on the GDS screen.
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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