General Information

Component Location





General Description

Smart Key Module communicates with ECM through the serial communication line.
If ECM requests authentication from Smart Key Module after IG ON, Smart Key Module check authentication with transponder then, sends this signal to ECM whether authentication is O.K or not.

DTC Description

Smart Key Module sets DTC B1625 if Data from ECM is error such as check sum error, Data Frame error, ID Unknown error, Data length error and Time out error.

DTC Detecting Condition





Diagnostic Circuit Diagram