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Home >> Toyota >> 2012 >> Sienna SE >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Smart Key System (For Start Function) (Diagnostic Codes & Symptom Tests) >> SMART KEY SYSTEM (for Start Function) >> DTC B2285: Steering Lock Position Signal Circuit Malfunction >> Description
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DTC B2285: Steering Lock Position Signal Circuit Malfunction: Description

This DTC is stored when a mismatch between the steering lock position signal from the direct line sent by the steering lock ECU and the steering lock position signal sent via LIN communication is detected.

HINT: 

DTC Code DTC Detection Condition Trouble Area DTC Output Confirmation Operation
B2285 Mismatch between the steering lock position signal from the direct line sent by the steering lock ECU and the steering lock position signal sent via LIN communication (1-trip detection logic*).
  • AM2 No. 2 fuse
  • Steering lock actuator assembly (steering lock ECU)
  • Power management control ECU
  • LIN communication system
  • Harness or connector
Disconnect the cable from the negative (-) battery terminal, wait 30 seconds and reconnect the cable to the negative (-) battery terminal. Wait another 40 seconds or more with the engine switch off (steering lock locked), and then turn the engine switch on (ACC) (steering lock unlocked) and wait 40 seconds or more.
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. An engine start command is not output.