Tech Tips
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
If the problem only occurs in certain locations or at certain times of day, check for wave interference.
If optional components are installed, check for wave interference from the components.
| Symptom | Suspected Area | Link |
|---|---|---|
| Security indicator light does not blink | Proceed to "Security Indicator Light Does not Blink" | |
| Immobiliser system does not operate properly | Proceed to "Immobiliser System does not Operate Properly" | |
| Hybrid control system cannot be started*1 | Certification ECU (Smart key ECU assembly) | |
| Power management control ECU | ||
| Hybrid control system | ||
| Power source mode cannot be changed*1 | Power switch | |
| Certification ECU (Smart key ECU assembly) | - | |
| Steering lock lock/unlock not possible*2 | Steering lock ECU (Steering lock actuator assembly) |
*1: Refer to Problem Symptoms Table for Entry and Start System (for Start Function).
*2: Refer to Problem Symptoms Table for Steering Lock System.