Component Location
General Description

In immobilizer system, scantool is mainly used for diagnosis. besides this, registration of key and neutralization of ECM is executed by scantool. For ECM communicate with other components such as SMARTRA and scantool by changing type of communication through just one line, K-line communication between scantool and ECM is unavalible while communication between ECM and SMARTRA is in progress.

DTC Description

The ECM sets DTC P1696 if Request from Tester is Invalid

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

● Invalid request

- Protocol layer violation

- Check sum error

Enable Conditions

● IG ON

Threshold value

Detecting time

FAIL SAFE

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