Problem Symptoms Table
WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
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.
ENGINE IMMOBILIZER SYSTEM
ENGINE IMMOBILIZER SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Unable to register the key. | Door courtesy switch circuit | DOOR COURTESY SWITCH CIRCUIT |
| ECU power source circuit | ECU POWER SOURCE CIRCUIT | |
| Transponder key ECU | TERMINALS OF ECU | |
| Engine dose not start. | Key | DTC B2797 COMMUNICATION MALFUNCTION NO. 1 |
| ECU power source circuit | ECU POWER SOURCE CIRCUIT | |
| SFI system | PROBLEM SYMPTOMS TABLE | |
| Transponder key ECU | TERMINALS OF ECU | |
| Security indicator is always ON. | Security indicator light circuit | SECURITY INDICATOR LIGHT CIRCUIT |
| ECU power source circuit | ECU POWER SOURCE CIRCUIT | |
| Transponder key ECU | TERMINALS OF ECU | |
| Security indicator is OFF. | Security indicator light circuit | SECURITY INDICATOR LIGHT CIRCUIT |
| ECU power source circuit | ECU POWER SOURCE CIRCUIT | |
| Transponder key ECU | TERMINALS OF ECU | |
| Security indicator is blinking abnormally. | Transponder key ECU | TERMINALS OF ECU |