Diagnostic Method

2014 Subaru Impreza Sport LimitedSECTION Diagnostic Method
  • Abnormality Judgment 

Judge as NG when the following conditions are established.

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Battery voltage > 10.9 V
Starter switch OFF
Engine run
bus off flag or error warning flag set (error)

Time Needed for Diagnosis:  436 ms

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.

  • Normality Judgment 

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Engine run
bus off flag or error warning flag clear (No error)

Time Needed for Diagnosis:  1000 ms

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.