B2799 - Engine Immobilizer System (W/Smart Key System)

DTC B2799Engine Immobilizer System

DESCRIPTION

DTC Detection Condition:

This DTC is output when one of the given occurs: 1) the ECM detects errors in its own communications with the ID code box; 2) the ECM detects errors in the communication lines; or 3) the ECU communication ID between the ID code box and ECM is different and an engine start is attempted. Before troubleshooting for this DTC, make sure no certification ECU DTCs are present. If present, troubleshoot the certification ECU DTCs first.

Wiring Diagram:

Step 1:

Step 1(Continued)-3:

Step 4:

INSPECTION PROCEDURE

NOTE:
- If the ID code box is replaced, register the key and ECU communication ID.
- If the ECM is replaced, register the ECU communication ID.