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HOMESERVICE MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSISELECTRICALGAUGESINSTRUMENTATION/DRIVER INFOCOMBINATION METER SYSTEMINSPECTIONCHECK ENGINE CONTROL MODULE
2005 Subaru Outback i, Standard

Check Engine Control Module

2005 Subaru Outback i, StandardSECTION Check Engine Control Module
ENGINE CONTROL MODULE SPECIFICATION

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

    Connector & terminal 

    (B134) No. 23 (+) - Chassis ground (-): 

 Is the voltage more than 14 V? Go to step 2  . Check the ECM. < Ref. to BASIC DIAGNOSTIC PROCEDURE < Ref. to BASIC DIAGNOSTIC PROCEDURE .> < Ref. to BASIC DIAGNOSTIC PROCEDURE , .> < Ref. 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 

    (B134) No. 23 - (i10) No. 20: 

 Is the resistance less than 10 ohm? 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.