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Home >> Subaru >> 1993 >> Justy GL, 4D Hatchback, 1.2 7 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Electronic Control Unit (Ecu) >> Power Circuits (Ignition On)
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Power Circuits (Ignition On)

Turn ignition on. Check for battery voltage between ECU power terminals and ground. See ECU POWER TERMINAL IDENTIFICATION table. If battery voltage does not exist, check fuse. If fuse is okay, check for an open in wire or a defective ignition switch. See WIRING DIAGRAMS article.