Malfunction Indicator Light Does Not Go Off.

WARNING: This page is about a different variant/trim than selected.

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 or OBD-II general scan tool display.

WIRING DIAGRAM:

Fig 1: Wiring Diagram - Malfunction Indicator Light Does Not Go Off

Courtesy of SUBARU OF AMERICA, INC.

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1. CHECK HARNESS BETWEEN COMBINATION METER AND ECM CONNECTOR. Turn the ignition switch to OFF. Disconnect the connector form ECM. Turn the ignition switch to On.	Does the 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) . >