Dtc B279C Theft Deterrent System Presence Detection

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Theft Deterrent Keyless Entry. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

REPLACE ECM

DTC B279C Theft Deterrent System Presence Detection


DESCRIPTION

If an ECM that is incompatible with the engine immobiliser system is installed, the ECM stores this DTC.

DTC Code
DTC Detection Condition
Trouble Area
B279C
An ECM that is incompatible with the engine immobiliser system is installed. (1-trip detection logic*)
ECM
  1. *: Only detected while a malfunction is present.

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

Related Data List and Active Test
DTC Code
Data List and Active Test
B279C
-

INSPECTION PROCEDURE

NOTICE:
  1. 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 Model Code "KEY REGIST" 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.
  2. Before replacing the ECM refer to Service Bulletin.
  3. After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation."
1.REPLACE ECM

  1. Replace the ECM with a new one.

    1. for 3UR-FE: Click here
    2. for 1UR-FE: Click here
    3. for 1GR-FE: Click here
    4. for 1VD-FTV: Click here

NEXT

END (ECM WAS DEFECTIVE)