DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
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).
2. CHECK DTC
3. CONFIRM THE SYMPTOM
Confirm the symptom described by the customer.
Connect CONSULT to the
vehicle in "DATA MONITOR" mode and check real time diagnosis results.
Verify
relation between the symptom and the condition when the symptom is detected.
4. CONFIRM THE SYMPTOM
Confirm the symptom described by the customer.
Connect CONSULT to the
vehicle in "DATA MONITOR" mode and check real time diagnosis results.
Verify
relation between the symptom and the condition when the symptom is detected.
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 CONSULT to the vehicle,
and check diagnostic results in real time.
If two or more DTCs are detected,
refer to BCS-63, "DTC Inspection Priority Chart" and determine trouble
diagnosis order.
NOTE:
6. PERFORM BASIC IN
7. DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE
Detect malfunctioning system according to WW-68, "Symptom Table" based on the
confirmed symptom in
step 4, and determine the trouble diagnosis order based
on possible causes and symptom.
8. 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.
9. REPAIR OR REPLACE THE MALFUNCTIONING PART
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 has been
repaired securely.
When symptom was described from the customer, refer to
confirmed symptom in step 3 or 4, and check that
the symptom is not detected.
Power supply and ground circuit
BCM
BCM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-67, "Wiring Diagram".
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
Is the fuse or fusible link blown?
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
...
ADP branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
Driver seat control unit
Harness connec ...
Front fog lamp system
Wiring Diagram
...