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Home >> Subaru >> 2014 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Lock System >> DTC B2788 IGN2 Input Malfunction >> Inspection steps

Inspection steps

CAUTION:
  • Before performing troubleshooting, check the fuse for this circuit.
  • The steering lock system is equipped with functions that use multiplex communication. Firstly, please follow the directions in "How to troubleshoot" and then perform troubleshooting after confirming that there is no malfunction in the communication system.
  • After repair is completed, perform a diagnostic code output confirmation and check that there is no further output of diagnostic codes.
  • When replacing the steering lock actuator ASSY (Steering lock ECM), please check the applicable precautions (Refer to ENTRY & START SYSTEM (ENTRY FUNCTION) ), and refer to the "Registration manual for immobilizer".
  1. Inspect the steering lock actuator ASSY (Steering lock ECM)
    1. Disconnect the steering lock actuator ASSY (Steering lock ECM) connector D59.
    2. Measure the resistance between the terminals.
      RESISTANCE

      Inspection terminals Inspection conditions Standard value
      D59-1 (GND) - Chassis ground Always Less than 1 Ω
    3. Connect the steering lock actuator ASSY (Steering lock ECM) connector D59.
    4. Measure the voltage between the terminals.
      VOLTAGE

      Inspection terminals Inspection conditions Standard value
      D59-6 (IGN1) - D59-1 (GND) IG ON 11 to 14 V
      IG OFF Less than 1 V
      Fig 1: Identifying Steering Lock ECM Connector D59 IGN1 And GND Terminals
      G08555390Courtesy of SUBARU OF AMERICA, INC.

      NG: Check all wiring harnesses and devices connected to the GAUGE fuse (Refer to CIRCUIT FIGURE  )

      OK: Replace the steering lock actuator ASSY (Steering lock ECM) (Refer to ASSEMBLY  )