Toyota 4Runner: Theft Deterrent System Presence Detection (B279C)

Toyota 4Runner Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Engine Immobiliser System(w/ Smart Key System) / Theft Deterrent System Presence Detection (B279C)

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.	ECM

PROCEDURE

1.	REPLACE CURRENT ECM WITH PROPER ECM

(a) Replace the current ECM with the proper ECM (See page ).

END

Theft Deterrent System Communication Line High Fixation (B279A)

DESCRIPTION If the communication line (EFIO-IMI) to the ID code box is stuck on HI output, the ECM stores this DTC. DTC Code DTC Detection Condition Trouble Area ...

Short to GND in Immobiliser System Power Source Circuit (B278A)

DESCRIPTION This DTC is stored when the engine switch power source supply line is open or shorted. DTC Code DTC Detection Condition Trouble Area B ...

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Theft Deterrent System Presence Detection (B279C)
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 incompatibl ...

Main Owner’s Manual
Please note that this manual applies to all models and all equipment, including options. Therefore, you may find some explanations for equipment not installed on your vehicle. All specifications provided in this manual are current at the time of printin ...