Toyota Venza: Diagnostic Trouble Code Chart

Toyota Venza Service Manual / Theft Deterrent / Keyless Entry / Engine Immobiliser System(w/ Smart Key System) / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

HINT:

If a trouble code is stored during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

1. CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) DIAGNOSTIC TROUBLE CODE CHART

Certification ECU (Smart Key ECU Assembly)

DTC Code	Detection Item	Trouble Area	See page
B2784	Antenna Coil Open / Short	1. Engine switch 2. Certification ECU (Smart key ECU assembly)
B278A	Short to GND in Immobiliser System Power Source Circuit	1. Wire harness or connector 2. Engine switch 3. Certification ECU (Smart key ECU assembly)

DTC Code

Detection Item

Trouble Area

See page

B2784

Antenna Coil Open / Short

1. Engine switch

2. Certification ECU (Smart key ECU assembly)

B278A

Short to GND in Immobiliser System Power Source Circuit

1. Wire harness or connector

2. Engine switch

3. Certification ECU (Smart key ECU assembly)

2. ECM DIAGNOSTIC TROUBLE CODE CHART

HINT:

The DTCs for the engine immobiliser system are specified above. If the other codes are output, check the DTC chart for the SFI system.

ECM

DTC Code	Detection Item	Trouble Area
B2799	Engine Immobiliser System Malfunction	1. Wire harness or connector 2. ECM 3. Certification ECU (Smart key ECU assembly)
B279A	Theft Deterrent System Communication Line High Fixation	1. Wire harness or connector 2. ECM 3. Certification ECU (Smart key ECU assembly)
B279C	Theft Deterrent System Presence Detection	ECM

DTC Code

Detection Item

Trouble Area

See page

B2799

Engine Immobiliser System Malfunction

1. Wire harness or connector

2. ECM

3. Certification ECU (Smart key ECU assembly)

B279A

Theft Deterrent System Communication Line High Fixation

1. Wire harness or connector

2. ECM

3. Certification ECU (Smart key ECU assembly)

B279C

Theft Deterrent System Presence Detection

ECM

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 ...

Theft Deterrent System Communication Line High Fixation (B279A)

DESCRIPTION If the communication line (EFIO - IMI) to the certification ECU (smart key ECU assembly) is stuck high output (e.g. shorted to +B), the ECM stores this DTC. DTC No. ...

Other materials about Toyota Venza:

Engine Circuit Malfunction (C1280/82)
DESCRIPTION If a malfunction in the ECM circuit occurs, the AWD control ECU will output this DTC. DTC No. DTC Detection Condition Trouble Area C1280/82 When the following continues for ...

Removal
REMOVAL PROCEDURE 1. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY HINT: See the steps from "Remove Engine Assembly with transaxle" through "Remove Automatic Transaxle Assembly" (See page ). 2. REMOVE AUTOMATIC TRANSAXLE OIL PAN SUB-ASSEMBLY ...

Power outlets
The power outlets can be used for 12V accessories that run on less than 10A. ►Console box ►Front passenger’s side instrument panel ►Luggage compartment - The power outlets can be used when ►Vehicles with smart key sys ...