Toyota Venza: Open / Short in Steering Lock ECU (B2781)

Toyota Venza Service Manual / Steering Column / Steering Lock System / Open / Short in Steering Lock ECU (B2781)

DESCRIPTION

If the steering lock ECU (steering lock actuator assembly) determines that there is a malfunction inside the ECU, it outputs this DTC. Diagnostic communication between the steering lock ECU (steering lock actuator assembly) and the Techstream is performed via the certification ECU as the steering lock ECU (steering lock actuator assembly) is not connected to CAN.

DTC No.	DTC Detecting Condition	Trouble Area
B2781	Steering lock motor drive circuit is defective. Both lock and unlock position sensors detect "ON".	Steering lock ECU (Steering lock actuator assembly)

CAUTION / NOTICE / HINT

HINT:

After replacing the steering lock ECU (steering lock actuator assembly), confirm the Initialization of the steering lock (See page ).

PROCEDURE

1.	REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY)

HINT:

The steering lock ECU and steering lock actuator assembly are supplied as a single unit.

(a) Replace the steering lock ECU (steering lock actuator assembly) (See page ).

END

Power Source Control ECU Malfunction (B2782)

DESCRIPTION The power management control ECU controls the power supply to activate the steering lock motor. This prevents the steering wheel from being locked while the vehicle is moving. ...

Steering Lock Motor Drive Power Circuit

DESCRIPTION The steering lock ECU (steering lock actuator assembly) is connected to the power management control ECU. The steering lock ECU (steering lock actuator assembly) cannot activate the m ...

Other materials about Toyota Venza:

Precaution
PRECAUTION 1. PRECAUTION FOR DISCONNECTING THE BATTERY CABLE NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the terminal is reconnected. System Name See Procedure ...

Outer Mirror Control Ecu
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE FRONT DOOR INSIDE HANDLE BEZEL PLUG 2. REMOVE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY WITH FRONT DOOR ARMREST BASE PANEL (for Driver Side) 3. REMOVE POWER WINDOW ...

Cruise Main Indicator Light Circuit
DESCRIPTION The ECM detects a cruise control main switch signal and sends it to the combination meter assembly through CAN. Then the CRUISE main indicator light comes on. The CRUISE main indicator light circuit uses CAN for communication. ...