Immobilizer System Description

Immobilizer System Description

The vehicle is equipped with a type IV (GEN 3.5) immobilizer system that will disable the vehicle unless the proper ignition key is used. This system consists of a transponder located in the ignition key, an immobilizer control unit-receiver, an indicator, imoes unit ('08-10 models), and the PCM.

When the immobilizer key is inserted into the ignition switch and turned to the ON (II) position, the immobilizer control unit-receiver sends power to the transponder in the ignition key. The transponder then sends a coded signal back to the immobilizer control unit-receiver, which sends a coded signal to the imoes unit, which confirms the code and signals the PCM to supply power to the fuel pump circuit. A communication agreement with the HDS is required at the PCM or the imoes unit after repair or replacement. When replacing the immobilizer control unit-receiver, all keys are required to be registered into the new immobilizer control unit-receiver. Any keys that were not registered in the immobilizer control unit-receiver will not start the vehicle.





- If the proper key has been used, the immobilizer indicator will come on for about 2 seconds, then go off.
- If the wrong key has been used or the code was not received or recognized by the units, the indicator will come on for about 2 seconds, then it will blink until the ignition switch is turned to LOCK (0).
- When the ignition switch is turned to LOCK (0), the indicator blinks for about 5 seconds to signal that the unit has reset correctly, then the indicator goes off.