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. ...

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No Response from Steering Lock ECU (B2786)
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