IMMOBILISER SYSTEM, Diagnostic DTC:B279C95

DTC Code	DTC Name
B279C95	Engine Immobiliser System Incorrect Assembly

DESCRIPTION

If an ECM that is incompatible with the immobiliser system is installed, the ECM will store this DTC.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Note
B279C95	Engine Immobiliser System Incorrect Assembly	An ECM that is incompatible with the immobiliser system is installed. (1-trip detection logic*)	ECM	-

Vehicle Condition and Fail-safe Function when Malfunction Detected
Vehicle Condition when Malfunction Detected	Fail-safe Function when Malfunction Detected
Engine cannot be started	-

Related Data List and Active Test
DTC No.	Data List and Active Test
B279C95	-

CAUTION / NOTICE / HINT

Note

When using the GTS with the engine switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
Before replacing the ECM, refer to Service Bulletin.
After performing repairs, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".

PROCEDURE

REPLACE ECM

Temporarily replace the ECM with a new one.

for 8AR-FTS: Click here

for 2GR-FKS: Click here

Result

Proceed to
NEXT

CLEAR DTC

Clear the DTCs.

Powertrain > Engine > Clear DTCs

Result

Proceed to
NEXT

CHECK FOR DTC

Check for DTCs.

Powertrain > Engine > Trouble Codes

OK
B279C95 is not output.

Result

Result	Proceed to
DTC B279C95 is not output	A
DTC B279C95 is output	B

END (ECM WAS DEFECTIVE)

USE SIMULATION METHOD TO CHECK Click here