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Home >> Subaru >> 2013 >> BRZ Premium, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Stability Control System >> Vehicle stability control system >> The ABS warning light does not illuminate >> Inspection steps

Inspection steps

CAUTION: When the skid control ECM (brake actuator Assembly) has been replaced, make sure to perform [VDC sensor mid point setting mode]. (Refer to ECM TERMINAL ARRANGEMENT  )
  1. Diagnostic code check (CAN communication system)
    1. Check CAN communication system. (Refer to HOW TO TROUBLESHOOT )
      RESULT

      Result Go to
      No output A
      Output exists B

      B: To CAN communication system (How to troubleshoot) (Refer to HOW TO TROUBLESHOOT )

      A: Go to Next Step

  2. ABS warning light check
    1. Disconnect the skid control ECM connector.
    2. Turn the ignition switch to ON.
    3. Check that the ABS warning light illuminates.

      Criteria: The ABS warning light illuminates.

      NOTE: If this section is referenced while performing troubleshooting described in the symptom table, go back to the table and go to the next step before replacing parts. (Refer to SYMPTOM TABLE  )

      NG: Go to step 3.

      OK: Currently normal

  3. Combination meter Assembly check
    1. Turn the ignition switch to OFF.
    2. Reconnect the skid control ECM connector.
    3. Start the engine.
    4. Using SSM3, display [System Operation Check Mode] of the combination meter Assembly (meter CPU). (Refer to CURRENT DATA DISPLAY & SAVE / SYSTEM OPERATION CHECK MODE )
    5. Check the combination meter Assembly.

      Criteria: In response to SSM3 operation, the ABS warning light turns ON/OFF.

      NOTE: If this section is referenced while performing troubleshooting described in the symptom table, go back to the table and go to the next step before replacing parts. (Refer to SYMPTOM TABLE  )

      NG: Replacement of combination meter Assembly (Refer to METER & GAUGE SYSTEM )

      OK: Replacement of brake actuator Assembly