Diagnosis and Repair Workflow

Diagnosis and Repair Workflow

Overall Sequence





Detailed Flow

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. CONFIRM THE SYMPTOM

Confirm the symptom described by the customer.

Verify relation between the symptom and the condition when the symptom is detected.


GO TO 3

3. PERFORM BASIC INSPECTION

Perform [Basic Inspection] Basic Inspection.


GO TO 4

4. DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS

Detect malfunctioning system according to symptom diagnosis based on the confirmed symptom in step 2, and determine the trouble diagnosis order based on possible causes and symptom.


GO TO 5

5. DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

Inspect according to Diagnostic Procedure of the system.

NOTE:
The Diagnostic Procedure described is based on open circuit inspection. A short circuit inspection is also required for the circuit check in the Diagnostic Procedure.

Is malfunctioning part detected?
YES
GO TO 6
NO
Check voltage of related BCM terminals using SDT.

6. REPAIR OR REPLACE THE MALFUNCTIONING PART

1 Repair or replace the malfunctioning part.
2 Reconnect parts or connectors disconnected during Diagnostic Procedure.


GO TO 7

7. FINAL CHECK

Check that symptom described from the customer is not detected, refer to confirmed symptom in step 2.

Does the symptom reappear?
YES (DTC is detected)
GO TO 5
YES (Symptom remains)
GO TO 3
NO
ERROR! Unknown action!Inspection End.