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Home >> Subaru >> 2005 >> Outback XT, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Engine (Diagnostics) (H4DOTC) >> Malfunction Indicator Light >> Malfunction Indicator Light Does Not Go Off.
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Malfunction Indicator Light Does Not Go Off.

DIAGNOSIS: 

The malfunction indicator light circuit is shorted.

TROUBLE SYMPTOM: 

Although malfunction indicator light comes on when the engine runs, DTC is not shown on the Subaru Select Monitor display.

WIRING DIAGRAM: 

Fig 1: Wiring Diagram - Malfunction Indicator Light Does Not Go Off
G03829963Courtesy of SUBARU OF AMERICA, INC.
DIAGNOSTIC PROCEDURE (MALFUNCTION INDICATOR LIGHT DOES NOT GO OFF)

Step Check Yes No

CHECK HARNESS BETWEEN COMBINATION METER AND ECM CONNECTOR. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from ECM.
  3. Turn the ignition switch to ON.
Does malfunction indicator light illuminate? Repair the short circuit in harness between combination meter and ECM connector. Replace the ECM. < Ref. to ENGINE CONTROL MODULE (ECM) . >