Engine and Emission Control System Check
Precautions: General safety (00)
Refer to the following items for the details of each step.
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Customer complaint analysis
1)Perform Step 1: Customer Complaint Analysis.
Was customer complaint analysis performed?
|
Go to Step 2.
|
Perform customer complaint analysis.
|
| 2 |
DTC / freeze frame data check, record and clearance
1)Check for DTCs (including pending DTCs).
Is there any DTC(s) / freeze frame data?
|
Print DTCs and freeze frame data or write them down and clear them referring to DTC Clearance:D16AA and go to Step 3.
|
Go to Step 4.
|
| 3 |
Visual inspection
1)Perform Steps 3 and 4: Visual Inspection.
Is there any faulty condition?
|
Repair or replace defective part(s), and go to Step 11.
|
Go to Step 5.
|
| 4 |
Visual inspection
1)Perform Steps 3 and 4: Visual Inspection.
Is there any faulty condition?
|
Repair or replace defective part(s), and go to Step 11.
|
Go to Step 8.
|
| 5 |
Trouble symptom confirmation
1)Check trouble symptom.
Is trouble symptom identified?
|
Go to Step 6.
|
Go to Step 7.
|
| 6 |
Rechecking and recording DTC / freeze frame data
1)Recheck for DTC and freeze frame data.
Is there any DTC(s)?
|
Go to Step 9.
|
Go to Step 8.
|
| 7 |
Rechecking and recording DTC / freeze frame data
1)Recheck for and freeze frame data.
Is there any DTC(s)?
|
Go to Step 9.
|
Go to Step 10.
|
| 8 |
Engine basic inspection and engine symptom diagnosis
1)Check and repair.
Are check and repair complete?
|
Go to Step 11.
|
Check and repair defective part(s), and go to Step 11.
|
| 9 |
Troubleshooting for DTC
1)Check and repair according to applicable DTC troubleshooting.
Are check and repair complete?
|
Go to Step 11.
|
Check and repair defective part(s), and go to Step 11.
|
| 10 |
Intermittent problem check
1)Check for intermittent problems.
Is there any faulty condition?
|
Repair or replace defective part(s), and go to Step 11.
|
Go to Step 11.
|
| 11 |
Final confirmation test
1)Clear DTC if any.
2)Perform final confirmation test.
Is there any problem symptom, DTC or abnormal condition?
|
Go to Step 6.
|
End.
|
Step 1: Customer Complaint Analysis
Record details of the problem (failure, complaint) and how it occurred as described by the customer. For this purpose, use of such an inspection form will facilitate collecting information required for proper analysis and diagnosis.
Customer questionnaire form (Example)
Step 2: DTC / Freeze Frame Data Check, Record and Clearance
First, check DTC.
If DTC is indicated, print it or write DTC down and then clear DTC.
Steps 3 and 4: Visual Inspection
As a preliminary step, perform visual check of the items that support proper function of the engine.
Step 5: Trouble Symptom Confirmation
Based on information obtained in Step 1: Customer Complaint Analysis and Step 2: DTC / Freeze Frame Data Check, Record and Clearance, check trouble symptoms.
Steps 6 and 7: Rechecking and Recording DTC / Freeze Frame Data
Refer to DTC Check:D16AA for checking procedure.
Step 8: Engine Basic Inspection and Engine Symptom Diagnosis
1)Perform engine basic inspection.
2)If there is no faulty part found in inspection procedure of “Engine Basic Inspection”, perform Engine Symptom Diagnosis:D16AA based on symptom found in vehicle checking in the following steps.
•Customer complaint analysis
•Trouble symptom confirmation
•Trouble symptom confirmation
Step 9: Troubleshooting for DTC (See each DTC Troubleshooting)
Perform applicable DTC troubleshooting and repair or replace faulty parts.
Step 10: Intermittent Problem Check
If there is no DTC in Step 2:
Check for intermittent problem.
If there is any DTC in Step 2:
Check parts related to detected DTC (e.g. wire harness, connector, etc.).
Step 11: Final Confirmation Test
Check that the problem symptom has gone and engine is free from any abnormal conditions. If what has been repaired is related to DTC, clear DTC once, recheck that no DTC is indicated.