Tech Tips
If the problem occurs in certain locations or times of day, the possibility of wave interference is high.
If a malfunction occurred after optional components were installed by the dealer, check if there is wave interference from the components.
| Symptom | Suspected Area | Link |
|---|---|---|
| Power source mode does not change to on (IG) and on (ACC) | Entry and Start System (for Entry Function) | |
| Affected by Wave Interference | ||
| Transmitter Battery | ||
| Electrical Key Transmitter Sub-assembly | ||
| No. 1 Indoor Electrical Key Antenna Assembly (Front Floor) | ||
| No. 1 Indoor Electrical Key Antenna Assembly (Rear Floor) | ||
| Power Switch | ||
| Harness or Connector | ||
| Driver Side Junction Block Assembly | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Power source mode does not change to on (IG) | Harness or Connector | |
| Relay | ||
| Driver Side Junction Block Assembly | ||
| Passenger Side Junction Block Assembly | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Power source mode does not change to on (ACC) | Harness or Connector | |
| Relay | ||
| Driver Side Junction Block Assembly | ||
| Passenger Side Junction Block Assembly | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Power source mode does not change to on (READY) | Hybrid Control System | |
| Immobiliser Function | ||
| Steering Lock Function | ||
| Harness or Connector | ||
| Shift Control ECU | ||
| Stop Light Switch Assembly | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| New key cannot be registered | Lin Communication System | |
| Meter / Gauge System | ||
| Reregistration | ||
| Electrical Key Transmitter Sub-assembly | ||
| Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly) | ||
| ID Code Box (Immobiliser Code ECU) | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Additional key cannot be registered | Steering Lock Function | |
| Electrical Key Transmitter Sub-assembly | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| New Key registration warning message is not displayed | Lighting System | |
| Meter & Gauge System | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Unable to Unlock Steering Wheel (Hybrid Control System cannot Start) | Harness or Connector | |
| Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly) | ||
| ID Code Box (Immobiliser Code ECU) | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Steering Lock does not Lock | Lighting System | |
| Harness or Connector | ||
| Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly) | ||
| ID Code Box (Immobiliser Code ECU) | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Security Indicator Light Does not Blink | Harness or Connector | |
| Security Indicator Light (Integration Control and Panel Assembly) | ||
| Main Body ECU (Multiplex Network Body ECU) | ||
| Certification ECU (Smart Key ECU Assembly) | ||
| Immobiliser System does not Operate Properly | Hybrid Control System | |
| Register ECU Communication ID | ||
| Harness or Connector | ||
| ID Code Box (Immobiliser Code ECU) | ||
| Hybrid Vehicle Control ECU |