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.
System Outline
- Fuel Injection Control (Independent Injection Type)
Engine control module outputs the injection signal to the injector after the basic injection time is calculated based on the engine condition and is corrected according to the engine coolant temperature sensor signal.
- Ignition Control
Engine control module outputs the ignition signal to the igniter after the basic ignition time is calculated based on the engine condition and is corrected according to the engine coolant temperature sensor signal.
- Engine Speed Control
The electronic throttle control system is adopted, which conducts first idle speed control according to the engine coolant temperature and idle speed control after warm-up.
- Diagnosis Control
Malfunction of sensors and actuators is diagnosed, and fail-safe function is conducted, based on input and output signals of ECU.
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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