DTC Troubleshooting
DIAGNOSTIC PROCEDURES 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 | Registration data check
Is registered VIN data correct? |
Go to Step 3. | Resister correct VIN data to ECM, see VIN REGISTRATION . |
| 3 | DTC recheck
Is DTC P0630 still detected? |
Check ECM power and ground circuits, see ECM POWER AND GROUND CIRCUIT CHECK . If OK, replace ECM and recheck DTC, see ECM REMOVAL AND INSTALLATION . |
End. |