SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSSUBARU2014LEGACY 2.5I, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISELECTRICALGAUGESINSTRUMENTATION SYSTEM & DRIVER INFORMATION CENTERCOMBINATION METER SYSTEMINSPECTIONCHECK ENGINE CONTROL MODULE (ECM)
2014 Subaru Legacy 2.5i, Automatic CVT Trans

Check Engine Control Module (ECM)

2014 Subaru Legacy 2.5i, Automatic CVT TransSECTION Check Engine Control Module (ECM)
Step Check Yes No
1 CHECK ECM SIGNAL. 
  1. Start the engine.
  2. Measure the voltage between ECM connector and chassis ground.

    Connector & terminal 

    (B135) No. 15 (+) - Chassis ground (-): 

 Is the voltage 0 ↔ 14 V or more? Go to step 2  . Inspect the ECM.
2 CHECK HARNESS BETWEEN COMBINATION METER AND ECM. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the ECM connector and combination meter connector.
  3. Measure the resistance between the ECM connector and the combination meter connector.

    Connector & terminal 

    (B135) No. 15 - (i10) No. 30: 

 Is the resistance less than 10 Ω? Replace the meter case assembly. Repair or replace the harness.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.