NO.2 MIL ILLUMINATES [L3 Turbo]SM2444502
NO.2 MIL ILLUMINATES [L3 Turbo]

id0103b4800800

2

MIL ILLUMINATES
DESCRIPTION
• MIL is illuminated incorrectly.
POSSIBLE CAUSE
• MIL illuminates for emission-related concern (DTC is stored in PCM)
• Instrument cluster malfunction
Note
• If the MIL blinks at a steady rate, a misfire condition could possibly exist.

Diagnostic procedure

STEP

INSPECTION

RESULTS

ACTION
1
Turn the ignition switch to the ON position.
Retrieve any DTCs.
(See ON-BOARD DIAGNOSTIC TEST [L3 Turbo].)
Are there DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [L3 Turbo].)
No
Inspect for an open or short to circuit between instrument cluster terminal 2T and PCM terminal 1AI.
Inspect for an open or short to circuit between instrument cluster terminal 2R and PCM terminal 1AM.
(See INSTRUMENT CLUSTER INSPECTION.)
2
Verify test results.
• If normal, return to the diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX [L3 Turbo].)
• If the malfunction remains, inspect the related Service Information and perform the repair or diagnosis.
― If the vehicle is repaired, troubleshooting is completed.
― If the vehicle is not repaired or additional diagnostic information is not available, reprogram the PCM if a later calibration is available. Retest.