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.
Malfunction Indicator Lamp Description
The On-board diagnostic lamp turns on to notify the driver for a problem on the vehicle.
However MIL will go off automatically after 3 sequential driving cycles, the same malfunction not redetected.
Immediately after the ignition switch is turned on, the malfunction indicator lamp keeps on for 5 seconds to indicate that the malfunction indicator lamp operates normally.
The items as below will be indicated by MIL.
- Air flow sensor (AFS)
- Engine coolant temperature sensor (ECTS)
- Throttle position sensor (TPS)
- Injector
- Oxygen sensor (O2 sensor)
- Crankshaft position sensor (CKPS)
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.