B2791

DTC B2791 Communication Condition Failure between ECM

DESCRIPTION

DTC Detection Condition:

This DTC is output when the immobiliser code ECU dose not respond to a verification request signal from the ECM.

HINT:
- If the engine switch is turned off immediately after an engine start, this DTC is also detected.
- If this DTC is detected, check if any DTCs such as B2799 are output.

Wiring Diagram:

Step 1:

Step 1 (Continued):

INSPECTION PROCEDURE