Subaru Legacy BN/BS (2015-2019) Service Manual: Basic diagnostic procedure

Wiper deicer system wiring diagram

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How to read wiring diagrams

1. POWER SUPPLY CIRCUITCircuits are described to indicate the power supply in the wiring diagram of each system. “MB-5”, “MB-6”, etc., which are used as power- supply symbols t ...

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Procedure
1. Check of the fuel amount↓2. Inspection of starter motor circuit Diagnostics for Engine Starting Failure > STARTER MOTOR CIRCUIT↓3. Inspection of ECM power supply and ground line Diagnostics for Engine Starting Failure > CHECK POWER SUPPLY AND GROUND LINE OF ENGINE CONTROL MODULE (ECM) ...