Subaru Legacy BN/BS (2015-2019) Service Manual: Malfunction indicator light does not go off

Subaru Legacy BN/BS (2015-2019) Service Manual / 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.

STEP	CHECK	YES	NO
1.CHECK DTC.	Is DTC of engine or LAN system displayed- Read Diagnostic Trouble Code (DTC) > OPERATION	Check the appropriate DTC using the “List of Diagnostic Trouble Code (DTC)”. List of Diagnostic Trouble Code (DTC) List of Diagnostic Trouble Code (DTC)	Malfunction Indicator Light > MALFUNCTION INDICATOR LIGHT DOES NOT GO OFF
2.CHECK COMBINATION METER. Perform the self-diagnosis for combination meter system. Combination Meter System > OPERATION	Does the malfunction indicator light illuminate and go off normally-	Replace the ECM. Engine Control Module (ECM)	Replace the meter case assembly of combination meter. Combination Meter

Procedure

1. Activation of malfunction indicator light Malfunction Indicator Light > ACTIVATION OF MALFUNCTION INDICATOR LIGHT↓2. Malfunction indicator light does not come on Malfunction Indicator Light ...

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