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 stored this DTC.

DTC No.
DTC Detection Condition
Trouble Area
B279C
When ECM that is incompatible with engine immobiliser system is installed.
ECM

INSPECTION PROCEDURE

NOTICE:
If the ECM is replaced, register the ECU communication ID.

1.CHECK DTC OUTPUT

  1. Clear the DTCs (Click here).

  1. Recheck for DTCs.
    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)