DTC Troubleshooting
DTC DIAGNOSTIC TROUBLESHOOTING CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "Engine and Emission Control System Check" performed? | Go to Step 2. | Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK . |
| 2 |
Is check result satisfactory? |
Intermittent trouble or faulty ECM. Check for intermittent referring to INTERMITTENT AND POOR CONNECTION INSPECTION . |
Go to Step 3. |
| 3 |
Is resistance as specified? |
"GRN/BLK" or "BLU/BLK" circuit wire is open or short. If wire and connections are OK, substitute a known-good ECM and recheck. |
Replace EVAP canister purge valve. |