2

MIL ILLUMINATES

DESCRIPTION

The MIL is illuminated incorrectly.

POSSIBLE CAUSE

• The PCM illuminates for emission-related concern (DTC is stored in PCM)

• Instrument cluster malfunction

NOTE:

• If the MIL blinks at steady rate, misfire condition could possibly exist.

STEP

INSPECTION

RESULTS

ACTION

1

Connect the M-MDS to the DLC-2.

Turn the ignition switch to the ON position (Engine off).

Retrieve any DTCs.

Are there any DTCs displayed?

Yes

DTC is displayed:

• Go to appropriate the DTC inspection.

  (See DTC TABLE [LF].)

No

No DTC is displayed:

• Inspect instrument cluster operation.

  (See INSTRUMENT CLUSTER INSPECTION.)

2

• Verify test results.

• If normal, return to diagnostic index to service any additional symptoms.

  (See SYMPTOM DIAGNOSTIC INDEX [LF].)

• If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.

• If vehicle is repaired, troubleshooting completed.

• If vehicle is not repaired or additional diagnostic information is not available, replace the PCM.

  (See PCM REMOVAL/INSTALLATION [LF].)