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2008 - MX-5 - Engine

NO.2 MIL ILLUMINATES [LF]



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.


Diagnostic procedure

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:

No

No DTC is displayed:

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].)




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