Nissan Altima 2007-2012 Service Manual: Malfunction indicator lamp

Description

The Malfunction Indicator Lamp (MIL) is located on the combination meter.

The MIL will illuminate when the ignition switch is turned ON without the engine running. This is a bulb check.

When the engine is started, the MIL should turn off. If the MIL remains illuminated, the on board diagnostic system has detected an engine system malfunction.

For details, refer to EC-1142, "Diagnosis Description".

Component Function Check

1.CHECK MIL FUNCTION

1. Turn ignition switch ON.

2. Check that MIL illuminates.

Is the inspection result normal? YES >> INSPECTION END

NO >> Go to EC-1496, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK DTC

Check that DTC UXXXX is not displayed.

Is the inspection result normal? YES >> GO TO 2.

NO >> Perform trouble diagnosis for DTC UXXXX. Refer to EC-1179, "Description".

2.CHECK COMBINATION METER FUNCTION

Refer to MWI-95, "DTC Index".

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace.

3.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

Is the inspection result normal? YES >> Replace combination meter.

NO >> Repair or replace.

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