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Section 108 (Engine Controls (Diagnostics) (H4DOTC)): General Description: Inspection: (Battery)

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure the battery voltage and specific gravity of the electrolyte.

    Standard voltage: 12 V 

    Specific gravity: 1.260 or more 

  2. Check the condition of the main and other fuses, and harnesses and connectors. Also check for proper grounding.