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 | CKP sensor circuit check
Are they in good condition? |
Go to Step 3. | Repair or replace defective wire harness. |
| 3 | CMP sensor circuit check
Are they in good condition? |
Go to Step 4. | Repair or replace defective wire harness. |
| 4 | CKP sensor and sensor plate check
Are they in good condition? |
Go to Step 5. | Repair or replace defective parts. |
| 5 | CMP sensor and signal rotor check
Are they in good condition? |
Go to Step 6. | Repair or replace defective parts. |
| 6 | Valve timing check
Is it in good condition? |
Replace ECM and recheck DTC, see ECM REMOVAL AND INSTALLATION . | Adjust valve timing. |