B2799

DTC B2799 ENGINE IMMOBILIZER SYSTEM

CIRCUIT DESCRIPTION

Detection Item:

This DTC is output when the ECM detects errors in the communication between the Transponder key ECU and the ECM, and in the communication lines.

This DTC is also output when the engine start is attempted with the COMMUNICATION ID between the Transponder key ECU and the ECM is different.

Before troubleshooting for this DTC, make sure that there is no DTC detected in the Transponder key ECU.

If there is key code-related DTC (B279X) detected in the Transponder key ECU, repair it first.

Wiring Diagram:

Step 1:

INSPECTION PROCEDURE