Work Flow
DETAILED FLOW
1.INTERVIEW FROM THE CUSTOMER
Clarify customer complaints before inspection. First of all, perform an interview utilizing BRC-67, "Diagnostic Work Sheet" and reproduce the symptom as well as fully understand it. Ask customer about his/her complaints carefully. Check symptoms by driving vehicle with customer, if necessary.
CAUTION: Customers are not professional. 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 BRC-51, "Fail- Safe".
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 THE SELF-DIAGNOSIS
With CONSULT
CAUTION: Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
Is DTC detected? YES >> Record or print self-diagnosis results and freeze frame data (FFD). GO TO 4.
NO >> GO TO 6.
4.RECHECK THE SYMPTOM
With CONSULT
CAUTION: Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
NOTE: If some DTCs are detected at the some time, determine the order for performing the diagnosis based on BRC-54, "DTC Inspection Priority Chart". Is any DTC detected? YES >> GO TO 5.
NO >> Check harness and connectors based on the information obtained by interview. Refer to GI-41, "Intermittent Incident".
5.REPAIR OR REPLACE ERROR-DETECTED PART
CAUTION:
>> GO TO 7.
6.IDENTIFY ERROR-DETECTED SYSTEM BY SYMPTOM DIAGNOSIS
Estimate error-detected system based on symptom diagnosis and perform inspection.
Can the error-detected system be identified? YES >> GO TO 7.
NO >> Check harness and connectors based on the information obtained by interview. Refer to GI-41, "Intermittent Incident".
7.FINAL CHECK
With CONSULT
Is the symptom reproduced? YES >> GO TO 3.
NO >> Inspection End.
Diagnostic Work Sheet
Description
INTERVIEW SHEET SAMPLE
Under cover
Exploded View
Floor under cover (RH)
Engine under cover
Floor under cover (LH)
ENGINE UNDER COVER
ENGINE UNDER COVER : Removal and Installation
REMOVAL
Remove engine under cover clips.
Remove engine under cover.
INSTALLATION
Installation is in the reverse ord ...
U0073 communication bus a OFF
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0073
COMM BUS A OFF
(Control Module Communication Bus A Off)
TCM communication blockage lasts for 2 seconds or more when turning
ON the ignition sw ...
ECU diagnosis information
AUDIO UNIT
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...