Toyota 4Runner manuals

Toyota 4Runner: 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 ).



NEXT

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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