Work Flow

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow


DETAILS OF TROUBLE DIAGNOSIS FLOWCHART


1. COLLECT THE INFORMATION FROM THE CUSTOMER

It is also important to clarify customer concerns before starting the inspection. First of all, perform an interview utilizing "Diagnostic Work Sheet" Diagnostic Work Sheet and reproduce the symptom as well as fully understand it. Depending on the situations, drive the vehicle with the customer and check the symptom.

CAUTION:
Customers are not professionals. Never guess easily like "maybe the customer means that...," or
"maybe the customer mentions this symptom".
- GO TO 2.

2. CHECK SYMPTOM

Reproduce the symptom that is indicated by the customer, based on the information from the customer obtained by interview. Also check that the symptom is not caused by fail-safe mode. Refer to "FailSafe" Electric Parking Brake Control Module.

CAUTION:
When the symptom is caused by normal operation, fully inspect each portion and obtain the understanding of customer that the symptom is not caused by a malfunction.
- GO TO 3.

3. PERFORM SELF-DIAGNOSIS

With CONSULT
Perform self-diagnosis.
Is DTC detected?
YES- Record or print self-diagnosis results and freeze frame data (FFD). GO TO 4.
NO- GO TO 6.

4. RECHECK SYMPTOM

With CONSULT
1.Erase self-diagnosis results from the memory.
2.Perform DTC reproduction procedures for the system that is malfunctioning.
NOTE:
If multiple DTCs are detected, refer to "DTC Inspection Priority Chart" Electric Parking Brake Control Module and determine the order for performing the diagnosis.
Is DTC detected?
YES- GO TO 5.
NO- Check harness and connectors based on the information obtained by interview. Refer to "Intermittent Incident" Intermittent Incident.

5. REPAIR OR REPLACE ERROR-DETECTED PART

Repair or replace the part that is malfunctioning. Reconnect part or connector after repairing or replacing.
Erase DTC from the memory when DTC is detected.
- GO TO 6.

6. IDENTIFY ERROR-DETECTED SYSTEM BY SYMPTOM DIAGNOSIS

Determine malfunctioning system according to the possible symptoms based on symptom diagnosis and perform check.
Can the malfunctioning part be identified?
YES- GO TO 7.
NO- Check harness and connectors based on the information obtained by interview. Refer to "Intermittent Incident" Intermittent Incident.

7. FINAL CHECK

With CONSULT
1.Check the reference value for "EHS/PKB". Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
2.Check the operation. Check that the symptom is not reproduced under the same conditions that reproduced the symptom before.
Is the symptom reproduced?
YES- GO TO 3.
NO- INSPECTION END