Toyota Venza: Theft Deterrent System Presence Detection (B279C)

Toyota Venza Service Manual / Theft Deterrent / Keyless Entry / Engine Immobiliser System(w/o 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 No.	DTC Detection Condition	Trouble Area
B279C	An ECM that is incompatible with engine immobiliser system is installed.	ECM

CAUTION / NOTICE / HINT

NOTICE:

If the ECM is replaced, register the ECU communication ID (See page ).

PROCEDURE

1.	CHECK DTC OUTPUT

(a) Clear the DTCs (See page ).

(b) Recheck for DTCs (See page ).

OK:

DTC B279C is not output.

Result	Proceed to
OK	A
NG (for 2GR-FE)	B
NG (for 1AR-FE)	C

USE SIMULATION METHOD TO CHECK

REPLACE ECM

No Communication in Immobiliser System (B2796,B2798)

DESCRIPTION These DTCs are stored if a key that does not have a transponder chip is inserted into the ignition key cylinder or if communication between the key and the transponder key ECU assembl ...

Communication Malfunction No. 1 (B2797)

DESCRIPTION This DTC is stored when an error occurs in communication between the transponder key amplifier and the transponder key ECU assembly. HINT: Some noise is found in the communication lin ...

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