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.
Basic Inspection
When the malfunction is not confirmed in the DTC check, troubleshooting should be carried out in all the possible circuits considered as causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location causing the problem can be found quickly and efficiently. Therefore, using this check is essential in the engine troubleshooting.
- CHECK BATTERY VOLTAGE NOTE: Carry out this check with the engine stopped and ignition switch OFF.BATTERY VOLTAGE CHECK
..... OK NG Voltage 11 V or more Less than 11 V - NG: CHARGE OR REPLACE BATTERY
- OK: Go to next step.
- CHECK IF ENGINE WILL CRANK
- NG: PROCEED TO PROBLEM SYMPTOMS TABLE
- OK: Go to next step.
- CHECK IF ENGINE STARTS
- NG: GO TO STEP 7
- OK: Go to next step.
- CHECK AIR FILTER
- Visually check that the air filter is not excessively dirty or oily.NOTE: If necessary, clean the filter with compressed air. First blow from the inside thoroughly, then blow from the outside of the filter.
- Visually check that the air filter is not excessively dirty or oily.
NO RELATED
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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.