Toyota Venza: Diagnostic Trouble Code Chart

Toyota Venza Service Manual / Steering Column / Steering Lock System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

If a trouble code is displayed during the DTC check, check the parts listed for that code in the table below and proceed to the appropriate page.

HINT:

The steering lock ECU does not store DTCs regarding the past problems.

Steering Lock System

DTC Code	Detection Item	Trouble Area
B2781	Open / Short in Steering Lock ECU	Steering lock ECU (Steering lock actuator assembly)
B2782	Power Source Control ECU Malfunction	1. Wire harness 2. Steering lock ECU (Steering lock actuator assembly) 3. Power management control ECU
B2788	IG2 Signal Malfunction	1. IG2 relay 2. Wire harness 3. Power management control ECU 4. Steering lock ECU (Steering lock actuator assembly)

DTC Code

Detection Item

Trouble Area

See page

B2781

Open / Short in Steering Lock ECU

Steering lock ECU (Steering lock actuator assembly)

B2782

Power Source Control ECU Malfunction

1. Wire harness

2. Steering lock ECU (Steering lock actuator assembly)

3. Power management control ECU

B2788

IG2 Signal Malfunction

1. IG2 relay

2. Wire harness

3. Power management control ECU

4. Steering lock ECU (Steering lock actuator assembly)

IG2 Signal Malfunction (B2788)

DESCRIPTION The steering lock ECU (steering lock actuator assembly) receives power from the IG2 relay. When the voltage value indicated by the IG signal from the certification ECU (smart key ECU ...

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. ...

Other materials about Toyota Venza:

Replacement
REPLACEMENT PROCEDURE 1. REPLACE INTAKE VALVE GUIDE BUSH (a) Heat the cylinder head to approximately 80 to 100°C (176 to 212°F). (b) Place the cylinder head on wooden blocks. (c) Using SST and a hammer, tap out the valve guide bush. SST: 0 ...

SFR Solenoid Circuit (C0226/21,C0236/22,C0246/23,C0256/24,C1225/25-C1228/28)
DESCRIPTION These solenoids turn on when signals are received from the skid control ECU and they control the pressure acting on the wheel cylinders to control the braking force. DTC Code DTC Detection Condition Trouble Area ...

Removal
REMOVAL PROCEDURE 1. REMOVE REAR DOOR SCUFF PLATE 2. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP (a) Remove the rear part of the rear door opening trim weatherstrip to the extent that allows removal of the deck trim side panel assembly ...