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.
Test Procedure
- Start the engine with all the accessories switched OFF.
- Drive the vehicle for 3 minutes at the following conditions. (During the monitor)
- Vehicle speed: More than 15 km/h (9.4 mph)
- Engine speed: More than 1,600 r/min, less than 4,000 r/min
- Engine load: More than 25%, less than 50%
- Stop the safe place and let the engine idle for 20 seconds.
- Accelerate until the vehicle speed is more than 50 km/h (31 mph).
- Engine speed: More than 2,500 r/min
- Engine load: More than 55%
- Stop at safe place and let the engine idle for 20 seconds. (During the monitor)
Repeat Steps 4 and 5 for 10 times. Stop the vehicle at the safe place and turn the ignition switch to "LOCK" (OFF) position. Start the engine and do Steps 1 to 7 again. Confirm that the diagnostic trouble code (DTC) is not output.
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.