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PCS-56 < BASIC INSPECTION > [POWER DISTRIBUTION SYSTEM] DIAGNOSIS AND REPAIR WORK FLOW 1. GET INFORMATION FOR SYMPTOM 1. Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurs). 2. Check operation condition of the component or system that is malfunctioning. >> GO TO 2. 2. CHECK DTC 1. Check DTC. 2. Perform the following procedure if DTC is detected. - Record DTC and freeze frame data (Print them out using CONSULT). - Erase DTC. - Study the relationship between the cause detected by DTC and the symptom described by the customer. 3. Check related service bulletins for information. Symptom is described, DTC is detected>>GO TO 3. Symptom is described, DTC is not detected>>GO TO 4. Symptom is not described, DTC is detected>>GO TO 5. 3. CONFIRM THE SYMPTOM Try to confirm the symptom described by the customer. Also study the normal operation and fail-safe related to the symptom. Verify relation between the symptom and the condition when the symptom is detected. >> GO TO 5. 4. CONFIRM THE SYMPTOM Try to confirm the symptom described by the customer. Verify relation between the symptom and the condition when the symptom is detected. NOTE: Freeze frame data is useful if the DTC is not detected. >> GO TO 6. 5. PERFORM DTC CONFIRMATION PROCEDURE Perform DTC CONFIRMATION PROCEDURE for the detected DTC, and then check that DTC is detected again. At this time, always connect CONSULT to the vehicle, and check self diagnostic results in real time. If two or more DTCs are detected, refer to BCS-50, "DTC Inspection Priority Chart" , and determine trouble diagnosis order. YES >> GO TO 7. NO >> Refer to GI-49, "Intermittent Incident" . 6. DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS Detect malfunctioning system according to SYMPTOM DIAGNOSIS based on the confirmed symptom in step 4, and determine the trouble diagnosis order based on possible causes and symptom. YES >> GO TO 7. NO >> Monitor input data from related sensors or check voltage of related module terminals using CON- SULT. 7. DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE Inspect according to Diagnosis Procedure of the system. YES >> GO TO 8. NO >> Refer to GI-49, "Intermittent Incident" . |