DTC    B279C    Theft Deterrent System Presence Detection

for Preparation Click here


DESCRIPTION

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

DTC No.
DTC Detection Condition
Trouble Area
B279C
ECM for vehicle without engine immobiliser system is installed on vehicle with engine immobiliser system
ECM

INSPECTION PROCEDURE

NOTICE:
When the ECM is replaced, reregister the ECU - ECM communication ID.

1.CLEAR DTC
  1. Clear the DTC (Click here).


NEXT


2.CHECK FOR DTC
  1. Check for DTC (Click here).
    Result 
    Result
    Proceed to
    DTC B279C is not output
    A
    DTC B279C is output (for 1ND-TV)
    B
    DTC B279C is output (for 1KR-FE)
    C
    DTC B279C is output (for 1NR-FE)
    D



B
REPLACE ECM (Click here)

C
REPLACE ECM (Click here)

D
REPLACE ECM (Click here)
A

USE SIMULATION METHOD TO CHECK (Click here)