Work Flow

DIAGNOSIS AND REPAIR WORK FLOW


Work Flow


DETAILED FLOW
1.COLLECT THE INFORMATION FROM THE CUSTOMER
It is also important to clarify customer complaints before inspection. First of all, reproduce symptoms, and understand them fully. Ask customer about his/her complaints carefully. In some cases, it will be necessary to check symptoms by driving vehicle with customer.
- GO TO 2.
2.CHECK EPS WARNING LAMP STATUS
Check EPS warning lamp operation. Refer to Component Tests and General Diagnostics.
Is the operation normal?
YES - GO TO 3.
NO - Proceed to Component Tests and General Diagnostics.
3.CHECK DTC WITH EPS CONTROL UNIT
With CONSULT-III
Perform the self-diagnosis.
Is any malfunction detected by self-diagnosis?
YES - GO TO 4.
NO - GO TO 7.
4.ERASE DTC MEMORY
With CONSULT-III
1. Record DTC.
2. Erase DTC once.

NOTE:
After erasing DTC record, currently occurred DTC can be detected by reading out DTC again.
- GO TO 5.
5.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
Perform "DTC CONFIRMATION PROCEDURE" (self-diagnosis) with recorded DTC.
If two or more DTCs are detected, refer to EPS Control Unit and determine trouble diagnosis order.
Is any malfunction detected by self-diagnosis?
YES - GO TO 6.
NO - Check Intermittent Incident. Refer to Intermittent Incident.
6.DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE
Perform the diagnosis applicable to the displayed DTC. Refer to Testing and Inspection.
- GO TO 9.
7.PERFORM DIAGNOSIS BY SYMPTOM
Perform the diagnosis or repair applicable to the symptom. Refer to Symptom Table.
- GO TO 8.
8.CHECK INPUT/OUTPUT SIGNAL
Check input/output signal standard of EPS control unit. Refer to Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES - GO TO 10.
NO - GO TO 2.
9.FINAL CHECK (WHEN DTC WAS DETECTED)
With CONSULT-III
Perform "DTC CONFIRMATION PROCEDURE" (self-diagnosis) with applicable DTC.
Is any malfunction detected by self-diagnosis?
YES - GO TO 6.
NO - END
10.FINAL CHECK (WHEN SYMPTOM OCCURRED)
Make sure that the symptom is not detected.
Does symptom remain?
YES - GO TO 7.
NO - END