B2791

ENGINE IMMOBILISER: ENGINE IMMOBILISER SYSTEM (w/ Smart Key System): B2791: Communication Condition Failure between ECM
B2791 - Communication Condition Failure between ECM

DESCRIPTION

This DTC is output when the ID code box does not respond to a verification request signal from the ECM.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC

(a) Clear the DTC Engine Immobiliser System (w/ Smart Key System).

(b) Recheck for the DTC.

OK:

B2791 and other DTC output do not reoccur.

NG -- GO TO DTC CHART

OK -- USE SIMULATION METHOD TO CHECK Electronic Circuit Inspection Procedure