Key
The key contains a transmitter with a written code (ID).
Ring antenna
The ring antenna is located in the steering column lock, it receives the key code (ID) and sends it to the immobilizer control unit.
Immobilizer control unit
- The immobilizer control unit compares the key code (ID) with the code stored in the unit's memory. If the codes match, the unit sends an encrypted signal to the engine control unit, allowing the engine to start.
- If a malfunction is detected in the system, the immobilizer control unit displays a malfunction code on the indicator of the anti-theft system.
The location of the immobilizer components.
1 - anti-theft system indicator,
2 - key (transmitter),
3 - immobilizer control unit,
4 - ring antenna,
5 - engine control unit.