ENGINE (DIAGNOSTICS)(H4DO) > Malfunction Indicator Light

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 or general scan tool display.

WIRING DIAGRAM:

• Euro 4 model

• Euro 5 model

STEPCHECKYESNO

1.CHECK HARNESS BETWEEN ECM AND COMBINATION METER CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from ECM.

3) Turn the ignition switch to ON.

Does the malfunction indicator light illuminate?

Repair the ground short circuit of harness between ECM and combination meter connector.

Replace the ECM.