COMPONENTS
ILLUSTRATION

RemovalEngine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial
Data) Invalid (B279986)
DESCRIPTION
When there are communication malfunctions between the ECM and certification ECU
(smart key ECU assembly), or when the communication ID codes do not match, the ECM
stores this DTC.
DTC Code
DTC Detection Condition
Trouble Area
DTC Output C ...
Voice Recognition Microphone Disconnected (B1579)
DESCRIPTION
The navigation receiver assembly and telephone microphone assembly are connected
to each other using the microphone connection detection signal lines.
This DTC is stored when the microphone connection detection signal is disconnected.
DTC Code
DTC Detection Con ...
Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On
Board Diagnostics) checks. The OBD system monitors the operation of the emission
control system.
■ If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the emiss ...