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DTC B2285: Steering Lock Position Signal Circuit Malfunction [12/2012 - ]: Description

This DTC is stored when the steering lock position signal sent by the steering lock ECU (steering lock actuator assembly) via direct line and the steering lock position signal sent via LIN communication do not match.

HINT: 

When the cable is disconnected and reconnected to the negative (-) battery terminal, the power source mode returns to the state it was in before the cable was disconnected.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
B2285 Steering Lock Position Signal Circuit Malfunction The steering lock position signal sent by the steering lock ECU (steering lock actuator assembly) via direct line and the steering lock position signal sent via LIN communication (1-trip detection logic *1) do not match.
  • AM2 fuse
  • Steering lock ECU (Steering lock actuator assembly)
  • Certification ECU (smart key ECU assembly)
  • Wire harness or connector
Disconnect the cable from the negative(-) battery terminal, wait 30 seconds and then reconnect the cable to the negative (-) battery terminal. Wait 40 seconds or more with the engine switch off (with the steering wheel locked), then turn the engine switch on (ACC) (with the steering unlocked) and wait 40 seconds or more.
*1: Only detected while a malfunction is present and the engine switch is on (IG)
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED

Vehicle Condition when Malfunction Detected Fail-safe Function when Malfunction Detected
The engine cannot be started. The ECU does not send an engine start request.
RELATED DATA LIST AND ACTIVE TEST ITEMS

DTC Data List Item Active Test Item
B2285 Power Source Control: 
  1. Steering Unlock Switch

Smart Key: 
  • Power Supply Short
  • Motor Driver Short
  • Lock Bar Stuck Error
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