Tech Tips
Use the following table 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.
Inspect the fuses and relays related to the system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| Power source mode does not change. | AM2 Fuse | |
| Engine Switch | - | |
| Wire Harness or Connector | - | |
| Smart Entry and Start System (Entry Function) | - | |
| Main Body ECU (Instrument Panel Junction Block) | - | |
| ACC Relay | - | |
| IG1 Relay | - | |
| IG2 Relay | - | |
| Engine does not start. | Smart Entry and Start System (Entry Function) | |
| Engine Switch | - | |
| Park/Neutral Position Switch | - | |
| STOP Fuse | - | |
| Stop Light Switch | - | |
| Electrical Steering Lock Function | - | |
| Starter Cut Relay | - | |
| Starter Relay | - | |
| ECM | - | |
| Engine Immobiliser 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 |