2003 Subaru Outback F6-3.0LFACTORY OEM SERVICE PROCEDURE

System Relay: Testing and Inspection

RELAY AND FUSE

INSPECTION

Factory service manual diagram



(3) - (4): Continuity exists.
(1) - (2): No continuity
While applying battery voltage to the cable between (3) and (4), check continuity between (1) and (2).

If no continuity exists, replace the relay with a new one.
Factory Service Tools

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When to See a Mechanic

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

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