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Home >> Subaru >> 2021 >> Crosstrek Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Engine Control System (2.0L (Except For HEV)) (Diagnostics) (2 Of 4)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0616: Starter Relay "A" Circuit Low >> Notes

DTC P0616: Starter Relay "A" Circuit Low: Notes

WARNING: This page is about a different variant/trim than selected.
  1. - 

    DTC detecting condition: 

    Immediately at fault recognition

    Wiring diagram: 

    Engine Electrical System Ref. to WIRING SYSTEM (IMPREZA MODEL)>ENGINE ELECTRICAL SYSTEM>WIRING DIAGRAM . Ref. to WIRING SYSTEM (CROSSTREK MODEL (EXCEPT FOR HEV))>ENGINE ELECTRICAL SYSTEM>WIRING DIAGRAM .

    • IMPREZA MODEL (WITHOUT PUSH BUTTON START)
      G13614659Courtesy of SUBARU OF AMERICA, INC.
      G13614660Courtesy of SUBARU OF AMERICA, INC.
    • CROSSTREK MODEL (WITHOUT PUSH BUTTON START)
      G13614661Courtesy of SUBARU OF AMERICA, INC.
      G13614662Courtesy of SUBARU OF AMERICA, INC.
    • IMPREZA MODEL (WITH PUSH BUTTON START)
      G13614664Courtesy of SUBARU OF AMERICA, INC.
      G13614665Courtesy of SUBARU OF AMERICA, INC.
    • CROSSTREK MODEL (WITH PUSH BUTTON START)
      G13614666Courtesy of SUBARU OF AMERICA, INC.
      G13614667Courtesy of SUBARU OF AMERICA, INC.
    CAUTION: Use the check board when measuring the ECM terminal voltage and resistance. Ref. to ENGINE (DIAGNOSTICS) (H4DO 2.0 (EXCEPT FOR HEV))>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) (H4DO 2.0 (EXCEPT FOR HEV))>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .
  1. CHECK HARNESS BETWEEN ECM AND M/B (STARTER RELAY) (OPEN)  .
    1. Turn the ignition switch to OFF.
    2. Disconnect the connector from ECM.
    3. Remove the starter relay.
    4. Measure the resistance of harness between ECM connector and M/B (starter relay) terminal No. 3.

      Connector and terminal 

      (B134) No. 27 - No. 3:

    Is the resistance less than 1 Ω?

    Yes:  Go to  2.

    No:  Repair the open circuit of harness between ECM connector and M/B (starter relay).

  2. CHECK HARNESS BETWEEN ECM AND M/B (STARTER RELAY) (SHORT TO GROUND)  .
    1. Disconnect the connector from starter motor.
    2. Measure the resistance between the ECM connector and engine ground.

      Connector and terminal 

      (B134) No. 27 - Engine ground:

    Is the resistance 1 MΩ or more?

    Yes:  Repair the poor contact of ECM connector.

    No:  Repair the short circuit to ground in harness between ECM connector and M/B (starter relay).

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