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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (OEM Wiring Diagrams W/ Connector End Views & Fuse/Relay Locations (HEV)) >> Basic Diagnostic Procedure >> Basic Inspection >> How To Determine A Short Circuit

How To Determine A Short Circuit

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  1. With test light:

    Connect a test light (rated at approx. 3 watts) in place of the blown fuse and allow current to flow through the circuit. Disconnect one connector at a time. At that time, always start with the connector located farthest from the power supply. If the test light goes out when a connector is disconnected, the harness between that connector and the next connector (farther from the power supply) is shorted.

    G09485423Courtesy of SUBARU OF AMERICA, INC.
  2. With ohmmeter:

    Disconnect all affected connectors, and check continuity between each connector and ground. When the ohmmeter indicates continuity between a particular connector and a ground, that connector is shorted.

G09485424Courtesy of SUBARU OF AMERICA, INC.