Tech Tips
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.
| Symptom | Suspected Area | See page |
|---|---|---|
| Engine does not start. | Key | |
| ID code box power source circuit | ||
| Certification ECU power source circuit | ||
| Steering lock ECU power source circuit | ||
| Smart entry and start system (Starting) | ||
| SFI system | ||
| Security indicator light is always ON. | Security indicator light | |
| Wire harness or connector | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Security indicator light is OFF. | Security indicator light | |
| Wire harness or connector | - | |
| Certification ECU (Smart key ECU assembly) | - |