Engine and Emission Control System Check: Notes

Numbers of each step correspond to the numbers of the items after this table. Refer to the following items for the detail of each step.

ENGINE AND EMISSION CONTROL SYSTEM DIAGNOSTIC INFORMATION AND PROCEDURES

Step	Action	Yes	No
1	Customer complaint analysis Perform customer complaint analysis. Was customer complaint analysis performed?	Go to Step 2.	Perform customer complaint analysis.
2	DTC / freeze frame data check Check DTC / Freeze frame data. Is there any malfunction DTC?	Record DTC / Freeze frame data. Clear DTC. Go to Step 3.	Go to Step 4.
3	Visual inspection Perform visual inspection. Is there any faulty condition?	Repair or replace malfunction part. Go to Step 11.	Go to Step 5.
4	Visual inspection Perform visual inspection. Is there any faulty condition?	Repair or replace malfunction part. Go to Step 11.	Go to Step 8.
5	Trouble symptom confirmation Confirm trouble symptom based on customer complaint analysis, DTC / freeze frame data in Step 1. Is trouble symptom identified?	Go to Step 6.	Go to Step 7.
6	DTC / freeze frame data recheck Recheck DTC / freeze frame data. Is there any malfunction DTC?	Go to Step 9.	Go to Step 8.
7	DTC / freeze frame data recheck Recheck DTC / freeze frame data. Is there any malfunction DTC?	Go to Step 9.	Go to Step 10.
8	Engine basic inspection Check and repair according to "VISUAL INSPECTION " and "ENGINE SYMPTOM DIAGNOSIS " Are check and repair complete?	Go to Step 11.	Check and repair malfunction part(s). Go to Step 11.
9	DTC troubleshooting Check and repair according to the "DTC TROUBLESHOOTING " of the applicable DTC flow. Are check and repair complete?	Go to Step 11.	Check and repair malfunction part(s). Go to Step 11.
10	Intermittent problems check Check for intermittent problems referring to "INTERMITTENT AND POOR CONNECTION INSPECTION ". Is there any faulty condition?	Repair or replace malfunction part. Go to Step 11.	Go to Step 11.
11	Final confirmation test Clear DTC if any. Perform final confirmation test referring to each "DTC Confirmation Procedure". Is there any problem symptom, malfunction DTC or abnormal condition?	Go to Step 6.	END.