Model With Push Button Start: Wiring Diagram

2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Wiring Diagram
WARNING: This page is about a different variant/trim than selected.

Engine electrical system turbo engine model (with push button start) < Ref. to TURBO MODEL (WITH PUSH BUTTON START) , WIRING DIAGRAM, Engine Electrical System. >

Fig 1: Starter Relay Wiring Diagram (Model With Push Button Start)
G09480882Courtesy of SUBARU OF AMERICA, INC.
Step Check Yes No
1 CHECK HARNESS BETWEEN ECM AND STARTER RELAY CONNECTOR. 
  1. Turn the ignition to OFF.
  2. Disconnect the connector from ECM.
  3. Remove the starter relay.
  4. Measure the resistance of harness between ECM and starter relay connector.
    NOTE: Place the select lever in "P" range or "N" range.

    (B134) No. 8 - (B225) No. 1: 

Is the resistance less than 1 Ω? Go to step . Repair the harness and connector.
NOTE: In this case, repair the following item:
  • Open circuit of harness between ECM and starter relay connector
  • Poor contact of coupling connector
2 CHECK HARNESS BETWEEN ECM AND STARTER RELAY CONNECTOR. 
  1. Disconnect the connector from starter motor.
  2. Measure the resistance between ECM and engine ground.

    Connector & terminal 

    (B134) No. 8 - Engine ground: 

Is the resistance 1 MΩ or more? Repair the poor contact of ECM connector. Repair the short circuit to ground in harness between ECM and starter relay connector.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.