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.
Problem Symptoms Table
HINT:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Smart access system with push-button start
| Symptom | Suspected Area | See Procedure |
|---|---|---|
| Power source mode does not change | Engine switch indicator circuit | ENGINE SWITCH INDICATOR CIRCUIT |
| Room oscillator does not recognize key | ROOM OSCILLATOR DOES NOT RECOGNIZE KEY | |
| Engine switch | ENGINE SWITCH | |
| key | - | |
| ID code box | - | |
| Main body ECU | TERMINALS OF ECU | |
| Wire harness or connector | POWER SOURCE MODE DOES NOT CHANGE | |
| Engine does not start | Push-button start function DTCs | DIAGNOSTIC TROUBLE CODE CHART |
| Power source mode does not change | POWER SOURCE MODE DOES NOT CHANGE | |
| Engine immobilizer system | HOW TO PROCEED WITH TROUBLESHOOTING | |
| Steering lock system | HOW TO PROCEED WITH TROUBLESHOOTING | |
| SFI system | HOW TO PROCEED WITH TROUBLESHOOTING | |
| Engine switch | ENGINE SWITCH | |
| Park / Neutral position switch | INSPECTION | |
| Stop light switch | DTC B2285 STEERING LOCK POSITION SIGNAL CIRCUIT MALFUNCTION; DTC B2288 STEERING LOCK SIGNAL CIRCUIT MALFUNCTION | |
| Main body ECU | TERMINALS OF ECU | |
| Wire harness or connector | ENGINE DOES NOT START |
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.
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