Step 5. Trouble Symptom Confirmation
In case that there is no DTC at Step 2:
Based on information obtained in STEP 1. CUSTOMER COMPLAINT ANALYSIS and STEP 2. DTC/FREEZE FRAME DATA CHECK, RECORD AND CLEARANCE , confirm trouble symptoms.
In case that there is any DTC at Step 2:
Recheck DTC according to "DTC Confirmation Procedure" described in each DTC troubleshooting.