SMARTRA type immobilizer is an anti-theft device which allows engine to turn ON only when the key recognized in Transponder is inserted in the key hall.After checking that the inserted key is registered, immobilizer module transmits engine ON permitting signal to ECM. If engine is tried to turn ON when no registered key is inserted in the key hall or no key signal is detected (burglary), immobilizer module transmits engine ON prohibiting order to ECM and injector operation is disabled.

☞ SMARTRA : SMARt Transponder Antenna

P1610 is set when Non-Immobilizer-ECM is equipped to immobilizer applied vehicle. This code exists to prevent different type of ECM from being equipped.

☞ Refer to immobilizer system DTC guide for more detailed information.