MIL Remains ON after Engine Starts: Troubleshooting
MIL REMAINS - TROUBLESHOOTING CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | DTC check
Is there any DTC(s)? |
Go to Step 2 of ENGINE AND EMISSION CONTROL SYSTEM CHECK or Step 2 of A/T SYSTEM CHECK . | Go to Step 2. |
| 2 | MIL circuit check
Is resistance infinity? |
Go to Step 3. | "PPL/YEL" circuit shorted to ground. |
| 3 | MIL circuit check
Does MIL turn ON at ignition switch turned ON? |
Replace combination meter. | Substitute a known-good ECM and recheck. |