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Home >> Subaru >> 2021 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (2.5L) - Introduction >> General Description >> Inspection >> Battery

Engine Control System (Diagnostics) (2.5L) - Introduction: General Description: Inspection: Battery

  1. Check the battery voltage. Refer to STARTING/CHARGING SYSTEMS (STI)>BATTERY>INSPECTION .
  2. Check the condition of the main and other fuses, and harnesses and connectors. Also check for proper grounding.
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