Problem Symptoms Table
WARNING: This page is about a different car, the 2011 Toyota Corolla. 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 problem symptom. 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 the system before inspecting the suspected areas below.
SMART KEY SYSTEM
| Symptom | Suspected Area | See procedure |
|---|---|---|
| Power source mode does not change. | AM2 NO. 2 fuse | Refer to Power Source Mode does not Change |
| IG1 relay | - | |
| IG2 relay | - | |
| Engine switch | - | |
| Wire harness or connector | - | |
| Smart key system (entry function) | - | |
| Main body ECU (instrument panel junction block) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| ID code box (immobilizer code ECU) | - | |
| Steering lock ECU | - | |
| Engine does not start. | Smart key system (entry function) | Refer to Engine does not Start |
| Engine switch | - | |
| Park/Neutral position switch | - | |
| STOP fuse | - | |
| Stop light switch | - | |
| Electrical steering lock function | - | |
| Starter cut relay | - | |
| Starter relay | - | |
| ECM | - | |
| Engine immobilizer system | - | |
| Main body ECU (instrument panel junction block) | - | |
| Wire harness or connector | - | |
| Engine switch indicator light does not come on. | Engine switch indicator light circuit | Refer to Engine Switch Indicator Circuit |