Smart Key System

DTC B2799 IMMOBILIZER MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

- If the ID code box receives a verification request signal from the ECM, it sends back verification information obtained from the certification ECU or steering lock ECU via the LIN communication line to the ECM.
- The ID code box sends immobilizer SET/UNSET signals to the ECM based on the information received from the certification ECU via the LIN communication line.

Wiring Diagram:

Step 1-3:

Step 4:

INSPECTION PROCEDURE