Detailed Flow
DIAGNOSIS PROCEDURE
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | GET INFORMATION FOR SYMPTOM Get the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred). |
GO TO 2 | |
| 2 | CHECK DTC
Is any symptom described and any DTC detected? |
GO TO 3 | GO TO 4 |
| 3 | CONFIRM THE SYMPTOM Confirm the symptom described by the customer. Connect SDT to the vehicle in "Data list" mode and check real time diagnosis results. Verify relationship between the symptom and the condition when the symptom is detected. |
GO TO 5 | |
| 4 | CONFIRM THE SYMPTOM Confirm the symptom described by the customer. Connect SDT to the vehicle in "Data list" mode and check real time diagnosis results. Verify relationship between the symptom and the condition when the symptom is detected. |
GO TO 6 | |
| 5 | PERFORM DTC CONFIRMATION PROCEDURE Perform DTC Confirmation Procedure for the displayed DTC, and then check that DTC is detected again. At this time, always connect SDT to the vehicle, and check diagnostic results in real time. Is DTC detected? |
GO TO 8 | Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ] |
| 6 | PERFORM BASIC INSPECTION Perform basic inspection of system. |
GO TO 7 | |
| 7 | DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE Detect malfunctioning system according to [POWER DISTRIBUTION SYSTEM: SYSTEM DESCRIPTION ] based on the confirmed symptom in step 4, and determine the trouble diagnosis order based on possible causes and symptom. |
GO TO 8 | |
| 8 | DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE Inspect according to Diagnostic Procedure of the system. Is malfunctioning part detected? |
GO TO 9 | Check voltage of related BCM terminals using SDT. |
| 9 | REPAIR OR REPLACE THE MALFUNCTIONING PART
|
GO TO 10 | |
| 10 | FINAL CHECK When DTC was detected in step 2, perform DTC Confirmation Procedure or Component Function Check again, and then check that the malfunction have been fully repaired. When symptom was described from the customer, refer to confirmed symptom in step 3 or 4 and check that the symptom is not detected. OK or NG |
GO TO 8 | GO TO 6 |