General Information

Smart Key Code Saving(Button)
P1696 Immobilizer-Authentication Fail - General Information

Component Location





General Description

The smart key system is totally composed of a smart key modue, a power distribute mode, an external receiver and a smart key holder.
The SMK 2.5, the smartkey system which has not Fob holder, is embed with a Demodulator. so the two Immo coil lines are connected this SSB. Smart key units sends a certified signal to the ECM/PCM through this process and then takes the engine to start by receiving the permission signal of engine start.

DTC Description

During the Immobilizer authentication, If there is any wrong VIN(Vehicle Identification Number) or MIN(Model Identification Number) signal on the communication message, ECM/PCM sets DTC P1696.

DTC Detecting Condition





Diagnostic Circuit Diagram