Problem Symptoms Table
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
ENGINE IMMOBILIZER SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Engine does not start | LIN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING |
| ID code box power source circuit | Refer to ID Code Box Power Source Circuit | |
| Certification ECU power source circuit | Refer to Certification ECU Power Source Circuit | |
| Steering lock ECU power source circuit | Refer to Power Source Circuit | |
| Smart access system with push-button start (for start function) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| SFI system (for 3UR-FE) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Security indicator light malfunction | Security indicator light circuit | Refer to Security Indicator Light Circuit |