Dtc B279C Theft Deterrent System Presence Detection

Vehicle Interior. Yaris. Ncp93, 131

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 (YARIS_NCP93 RM0000012FH00CX.html).
1.CHECK DTC OUTPUT
  1. Clear the DTCs (YARIS_NCP93 RM0000012FF00NX.html).

  1. Recheck for DTCs.

    OK:
    DTC B279C is not reoutput.


NG
REPLACE ECM (YARIS_NCP93 RM000001CN002AX.html)
OK

USE SIMULATION METHOD TO CHECK (YARIS_NCP93 RM0000012FF00NX.html)