DTC P0351: Ignition Coil 1 and 4 Control Circuit: Troubleshooting
TROUBLESHOOTING CHART
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| 1 | Perform an On-Board Diagnostic (OBD II) System Check. Was the check performed? |
- | Go to Step 2 | Go to On-Board Diagnostic (OBD II) System Check |
| 2 | Check for a faulty connection or damaged terminal C at the Electronic Ignition (EI) system ignition coil and repair as needed. Is the repair complete? |
- | Go to Step 8 | Go to Step 3 |
| 3 | Check for a faulty connection or damaged terminal E4/E20 at the Engine Control Module (ECM) and repair as needed. Is the repair complete? |
- | Go to Step 8 | Go to Step 4 |
| 4 |
Is the repair complete? |
- | Go to Step 8 | Go to Step 5 |
| 5 | Check the ignition control circuit for a short to voltage and repair as necessary. Is the repair complete? |
- | Go to Step 8 | Go to Step 6 |
| 6 | Check for an open in the ignition control circuit and repair as needed. Is the repair complete? |
- | Go to Step 8 | Go to Step 7 |
| 7 |
Is the repair complete? |
- | Go to Step 8 | - |
| 8 |
Does the scan tool indicate that this diagnostic ran and passed? |
- | Go to Step 9 | Go to Step 2 |
| 9 | Check if any additional DTCs are set. Are any DTCs displayed that have not been diagnosed? |
- | Go to applicable DTC table | System OK |