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
Wiring diagram
NAVIGATION WITHOUT BOSE
Wiring Diagram
...
P050A, P050B, P050E cold start control
Description
ECM controls ignition timing and engine idle speed when engine is started
with pre-warming up condition.
This control promotes the activation of three way catalyst by heating the
catalyst and reduces emissions.
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT scre ...
B1429 seat belt buckle switch RH
Description
DTC B1429 SEAT BELT BUCKLE SWITCH RH
The air bag diagnosis sensor unit monitors the seat belt buckle switch RH
status. If the control unit detects an
open or short condition in the circuit, it will set the DTC.
PART LOCATION
Refer to SRC-6, "Component Parts Location".
D ...