Dtc B279C Theft Deterrent System Presence Detection

Vehicle Interior. Corolla. Zre142 Aze141
Theft Deterrent Keyless Entry. Corolla. Zre142 Aze141

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC OUTPUT

DTC B279C Theft Deterrent System Presence Detection


DESCRIPTION

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

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

INSPECTION PROCEDURE

NOTICE:
If the ECM is replaced, register the ECU communication ID (COROLLA_ZRE142 RM00000120Y02CX.html).
1.CHECK DTC OUTPUT

  1. Clear the DTCs (COROLLA_ZRE142 RM000001GV807PX.html).

  1. Recheck for DTCs.

    OK:
    DTC B279C is not reoutput.
    Result:
    Result
    		Proceed to
    DTC B279C is reoutput (for 2ZR-FE)
    		A
    DTC B279C is reoutput (for 2AZ-FE)
    		B
    DTC B279C is not reoutput
    		C


A
REPLACE ECM (COROLLA_ZRE142 RM000001CN0030X.html)

B
REPLACE ECM (COROLLA_ZRE142 RM000002WT506MX.html)
C

USE SIMULATION METHOD TO CHECK (COROLLA_ZRE142 RM000000UZ108OX.html)