Component Location
General Description
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 nonregistered key is inserted in the key hall or no key signal is detected (buglary), immobilizer module transmits engine ON prohibitting order to ECM and injector operation is disabled.
*SMARTRA : SMARt TRansponder Antenna
DTC Description
P1674 is set when transponder is not virgin state or transponder data is changed. Refer to immobilizer system DTC guide for more detailed diagnostic guide.
DTC Detecting Condition
Item | Detecting Condition | Possible Cause |
Threshold Value | ? When data recorded to transponder is incorrect or data recording to transponder is impossible | ? Transponder ? SMARTRA communication circuit ? SMARTRA module ? ECM |
Fail Safe | ? Engine starting impossible | Check Lamp |
NO |