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Home >> Subaru >> 2015 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Electrical >> Starter >> Entry Start System Start System (Keyless Start) >> Entry & Start System (Start Function) >> DTC B2285: Steering Lock Position Signal Abnormal >> Circuit description
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Circuit description

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

NOTE: If you remove and then reconnect the battery cable, the power returns to the mode it was before you removed the cable.
DTC DETECTION CONDITION

DTC No. DTC detection status Faulty part DTC Output Confirmation Operation
B2285 The steering lock position signal sent by the steering lock ECM via the direct line and the steering lock position signal sent via the LIN communication (1-trip detection logic(1)) do not match.
  • AM2 No. 2 fuse
  • Steering lock actuator assembly (steering lock ECM)
  • Collation ECM (smart key ECM assembly)
  • Wiring harness or connector
Remove the cable from the battery ground terminal (-), and after waiting 30 seconds, reconnect the cable to the battery ground terminal (-). Turn off the engine, wait 40 seconds (the steering is locked), turn the engine switch on (ACC) (the steering is unlocked), and wait 40 seconds or more.
(1) The code is output only when the problem is found and the engine switch is on (IG).

Vehicle status and failsafe function when a problem is detected

VEHICLE STATUS AND FAILSAFE FUNCTION PROBLEM DETECTED

Vehicle status when a problem is detected Failsafe function when a problem is detected
The engine does not start. The engine start command is not output.

Related [Current Data Display & Save] and [System Operation Check Mode] items

DTC DESCRIPTION

DTC No. [Current Data Display & Save] items [System Operation Check Mode] items
B2285 Power supply
  • [Steering unlock SW]

Collation
  • [Motor power supply short-circuit abnormal]
  • [Motor driver short-circuit abnormal (history)]
  • [Lock bar engagement abnormal (history)]
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