Immobilizer components (Mazda BT-50 (1))

Key

The key contains a transmitter with a recorded 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 fault is detected in the system, the immobilizer control unit displays a fault code on the anti-theft system indicator.

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