Engine (Diagnostics) (H4DOTC): General Description: Inspection

Before performing diagnostics, check the following items which might affect engine problems:

1. BATTERY 
   1. Measure the battery voltage and specific gravity of electrolyte.
      • Standard voltage: 12V 
      • Specific gravity: Above 1.260 
   2. Check the condition of main and other fuses, and harnesses and connectors. Also check for proper grounding.
2. ENGINE GROUNDING 

   Make sure the engine grounding terminal is properly connected to engine.

   Fig 1: Identifying Engine Grounding Terminal

   Courtesy of SUBARU OF AMERICA, INC.