Tech Tips
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.
| Symptom | Suspected Area | See page |
|---|---|---|
| Security indicator light does not blink | Proceed to "Security Indicator Light Does not Blinking" | |
| Hybrid control system cannot be started*1 | Certification ECU (smart key ECU assembly) | |
| Hybrid control system cannot be started*1 | ID code box (immobiliser code ECU) | |
| Power management control ECU | ||
| Hybrid control system | ||
| Power source mode cannot be changed*1 | Power switch | |
| Power management control ECU |
*1: Refer to Problem Symptoms Table for Entry and Start System (for Start Function)*2 or Push-button Start System*3.
*2: w/ Entry Function
*3: w/o Entry Function