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Engine and Emission Control System Check: Notes

Refer to the following items for the details of each step.

DIAGNOSIS PROCEDURE

Step Action YES NO
1  Customer complaint analysis 
  1. Perform customer complaint analysis referring to STEP 1: CUSTOMER COMPLAINT ANALYSIS .

Was customer complaint analysis performed? 		 Go to Step 2. Perform customer complaint analysis.
2  DTC(s) / Freeze frame data check, record and clearance 
  1. Check for DTC (including pending DTC) referring to the STEP 2: DTC(S) / FREEZE FRAME DATA CHECK, RECORD AND CLEARANCE .

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 
  1. Perform visual inspection referring to the VISUAL INSPECTION .

Is there any faulty condition? 		 Repair or replace malfunction part, and go to Step 11. Go to Step 5.
4  Visual inspection 
  1. Perform visual inspection referring to the VISUAL INSPECTION .

Is there any faulty condition? 		 Repair or replace malfunction part, and go to Step 11. Go to Step 8.
5  Trouble symptom confirmation 
  1. Confirm trouble symptom referring to the STEP 5: TROUBLE SYMPTOM CONFIRMATION .

Is trouble symptom identified? 		 Go to Step 6. Go to Step 7.
6  Rechecking and record of DTC / Freeze frame data 
  1. Recheck for DTC and freeze frame data referring to DTC CHECK .

Is there any DTC(s)? 		 Go to Step 9. Go to Step 8.
7  Rechecking and record of DTC / Freeze frame data 
  1. Recheck for DTC and freeze frame data referring to DTC CHECK .

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 according to Engine Basic Inspection and Engine Symptom Diagnosis  .

Are check and repair complete? 		 Check and repair according to applicable DTC diag. flow table. Go to Step 11. Check and repair malfunction part(s).
9  DTC flow 
  1. Check and repair according to applicable DTC diag. flow.

Are check and repair complete? 		 Check and repair according to applicable DTC diag. flow table. Go to Step 11.
10  Intermittent problems check 
  1. Check for intermittent problems referring to STEP 10: INTERMITTENT PROBLEMS CHECK .

Is there any faulty condition? 		 Go to Step 11. Repair or replace malfunction part(s), and go to Step 11.
11  Final confirmation test 
  1. Clear DTC if any.
  2. Perform final confirmation test referring to STEP 11: FINAL CONFIRMATION TEST .

Is there any problem symptom, DTC or abnormal condition? 		 End. Go to Step 6.
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