COMPONENTS
ILLUSTRATION

On-vehicle InspectionMalfunction of ID-BOX Recognition (B278D)
DESCRIPTION
When the certification ECU (smart key ECU assembly) detects an input signal indicating
that the vehicle is equipped with an ID code box even though the ID code box is
not registered, the certification ECU (smart key ECU assembly) stores this DTC.
DTC Code
DTC ...
Precaution
PRECAUTION
1. INITIALIZATION
NOTICE:
If the ECM is replaced, register the ECU communication ID for Engine
Immobiliser System (See page ).
Perform Registration (VIN registration) when replacing the ECM (See
page ).
HINT:
The engine learned value cannot be rese ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The certification ECU (smart key ECU assembly) and ECM control the vehicle
engine immobiliser system functions. Engine immobiliser system data and Diagnostic
Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).
In some cases, a ...