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Home >> Subaru >> 2024 >> Ascent Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0617: Starter Relay "A" Circuit High >> Notes

DTC P0617: Starter Relay "A" Circuit High: Notes

  1. DTC detecting condition: 

    Immediately at fault recognition

    Trouble symptom: 

    Failure of engine to start

    Wiring diagram: 

    Engine Electrical System Ref. to WIRING SYSTEM>ENGINE ELECTRICAL SYSTEM .

    • Model without push button start
      G16446380Courtesy of SUBARU OF AMERICA, INC.
      G16446381Courtesy of SUBARU OF AMERICA, INC.
    • Model with push button start
      G16446382Courtesy of SUBARU OF AMERICA, INC.
      G16446383Courtesy of SUBARU OF AMERICA, INC.
CAUTION: Use the check board when measuring the ECM terminal voltage and resistance. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>GENERAL DESCRIPTION>PREPARATION TOOL>HOW TO USE CHECK BOARD .
NOTE: After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .
  1. CHECK DTC  .
    1. Turn the ignition switch to ON.
    2. Using the Subaru Select Monitor or a general scan tool, read the DTC of [Engine]. Ref. to COMMON (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Is DTC other than P0617 displayed? (Current code)

    Yes:  Check the appropriate DTC using the "Diagnostic Trouble Code (DTC)". Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

    No:  Go to  2.

  2. CHECK HARNESS BETWEEN ECM, STARTER RELAY AND STARTER MOTOR (SHORT TO POWER SUPPLY)  .
    1. Turn the ignition switch to OFF.
    2. Disconnect the connector from ECM.
    3. Turn the ignition switch to ON.
    4. Measure the voltage between ECM connector and engine ground.

      Connector & terminal 

      (B134) No. 53 (+) - Engine ground (-):

    Is the voltage 10 V or more?

    Yes:  Repair the following item.

    • Short circuit to power supply in harness between ECM connector and M/B (starter relay)
    • Short circuit to power supply in harness between ECM connector and starter motor

    No:  Repair the poor contact of ECM connector.