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HOMESERVICE MANUALSSUBARU2010FORESTER X PREMIUM, STANDARDREPAIR AND DIAGNOSISELECTRICALGAUGESINSTRUMENTATION SYSTEM & DRIVER INFORMATION CENTER - INSTRUMENTATION - DRIVER INFOCOMBINATION METER SYSTEMINSPECTIONCHECK ENGINE CONTROL MODULE (ECM)
2010 Subaru Forester X Premium, Standard

Check Engine Control Module (ECM)

2010 Subaru Forester X Premium, StandardSECTION Check Engine Control Module (ECM)
DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK ECM SIGNAL  .
  1. Start the engine.
  2. Measure the voltage between ECM connector and chassis ground.

Connector & terminal 
(B136) No. 22 (+) - Chassis ground (-): 		 Is the voltage 0 ↔ 14 V or more? Go to step 2  . Inspect the ECM. Refer to BASIC DIAGNOSTIC PROCEDURE . Refer to BASIC DIAGNOSTIC PROCEDURE .
2 CHECK HARNESS BETWEEN COMBINATION METER AND ECM  .
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from ECM and combination meter.
  3. Measure the resistance between ECM harness connector and combination meter harness connector.

Connector & terminal 
(B136) No. 22 - (i10) No. 32: 		 Is the resistance less than 10 Ω? Replace the meter case assembly. Repair the wiring harness.
RENDER: 1.0x

NO RELATED

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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.