Engine and Emission Control System Check: Notes
DIAGNOSTIC PROCEDURES CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Customer complaint analysis, see Step 1 .
Was customer complaint analysis performed? |
Go to Step 2. | Perform customer complaint analysis. |
| 2 | DTC/freeze frame data check, record and clearance, see Step 2 .
Is there any DTC(s)? |
Print DTC and freeze frame data or write them down and clear them by referring to DTC CLEARANCE , and go to Step 3. | Go to Step 4. |
| 3 | Visual inspection, see Step 3 and 4: Visual Inspection .
Is there any faulty condition? |
Repair or replace faulty part, and go to Step 11. | Go to Step 5. |
| 4 | Visual inspection, see Step 3 and 4: Visual Inspection .
Is there any faulty condition? |
Repair or replace faulty part, and go to Step 11. | Go to Step 8. |
| 5 | Trouble symptom confirmation
, see Step 5: Trouble Symptom Confirmation .
Is trouble symptom identified? |
Go to Step 6. | Go to Step 7. |
| 6 | Rechecking and recording DTC/freeze frame data
, see Step 6 and 7 .
Is there any DTC(s)? |
Go to Step 9. | Go to Step 8. |
| 7 | Rechecking and recording DTC/freeze frame data
, see Step 6 and 7 .
Is there any DTC(s)? |
Go to Step 9. | Go to Step 10. |
| 8 | Engine basic inspection and engine symptom diagnosis
, see Step 8: Engine Basic Inspection and Engine Symptom Diagnosis .
Is there any faulty condition? |
Check and repair faulty part(s), and go to Step 11. | Go to Step 10. |
| 9 | Troubleshooting for DTC
, see Step 9 .
Are check and repair complete? |
Go to Step 11. | Check and repair faulty part(s), and go to Step 11. |
| 10 | Intermittent problem check
, see Step 10: Intermittent Problem Check .
Is there any faulty condition? |
Repair or replace faulty part(s), and go to Step 11. | Go to Step 11. |
| 11 | Final confirmation test
, see Step 11: Final Confirmation Test .
Is there any problem symptom, DTC or abnormal condition? |
Go to Step 6. | End. |