How To Proceed With Troubleshooting [11/2021 - ]: Procedure
- CHECK ENGINE START FAILURE
- Ask the customer when and how the trouble occurred using the Check List for Interview.
- Start the engine.
Does the engine start?
Result Proceed to Yes A No (Check "Diagnostics with Phenomenon".) B
Result:
B
CHECK DIAGNOSTICS WITH PHENOMENON
Refer to PROBLEM SYMPTOMS TABLE [11/2021 - ]
Result:
A
See step 2
- CHECK ILLUMINATION OF MALFUNCTION INDICATOR LIGHT
- Check the illumination status of malfunction indicator light.
Does the malfunction indicator light illuminate?
Result Proceed to Yes A No (Check "Warning Light Illumination Pattern".) B
Result:
B
CHECK WARNING LIGHT ILLUMINATION PATTERN
Refer to DIAGNOSIS SYSTEM [11/2021 - 12/2023] , or refer to DIAGNOSIS SYSTEM [12/2023 - ]
Result:
A
See step 3
- Check the illumination status of malfunction indicator light.
- CHECK COMMUNICATION STATUS
- Turn the ignition switch to OFF.
- Connect the GTS or general scan tool to the data link connector.
- Turn the ignition switch to ON, and run the GTS or general scan tool.
HINT:
General scan tool
For detailed operation procedures, refer to the general scan tool operation manual.
Does GTS or general scan tool communicate with vehicle normally?
Result Proceed to Yes A No (Perform the inspection according to "Basic Diagnostic Procedure" of LAN system.) B
Result:
B
PERFORM THE INSPECTION ACCORDING TO "BASIC DIAGNOSTIC PROCEDURE"
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]
Result:
A
See step 4
- CHECK DTC
- Using GTS or a general scan tool, read the DTC of [Engine].
Powertrain > Engine Control System > Trouble Codes
Is DTC for [Engine] displayed? (Current code)
Result Proceed to Yes (Save DTC and Freeze Frame Data, then repair the trouble cause.) A No (Repair the related parts.)
HINT:
If DTC is not shown on display although the malfunction indicator light illuminates, perform the diagnosis of malfunction indicator light circuit or combination meter assembly.
Refer to DIAGNOSIS SYSTEM [11/2021 - 12/2023] , or refer to DIAGNOSIS SYSTEM [12/2023 - ]B
Result:
B
REPAIR THE RELATED PARTS
Result:
A
See step 5
- Using GTS or a general scan tool, read the DTC of [Engine].
- CHECK DTC
Save DTC and Freeze Frame Data, then repair the trouble cause.
After repair, go to the next step.
Result Proceed to Yes NEXT Result:
NEXT
See step 6
- FINAL CHECK
- Connect all connectors.
- Using the GTS or a general scan tool, perform the clear memory of [Engine].
Powertrain > Engine Control System > Clear DTCs
- Execute the inspection mode.
Refer to SYSTEM NORMAL CONDITION CHECK [11/2021 - 06/2022] , or refer to SYSTEM NORMAL CONDITION CHECK [06/2022 - 12/2023] , or refer to SYSTEM NORMAL CONDITION CHECK [12/2023 - 10/2024] , or refer to SYSTEM NORMAL CONDITION CHECK [10/2024 - ]
- Read the all readiness code of [Engine] using GTS and check that the concerned DTC is completed.
Powertrain > Engine Control System > Utility
Tester Display All Readiness - Using the GTS or a general scan tool, read the DTC of [Engine].
Powertrain > Engine Control System > Trouble Codes
Is DTC for [Engine] displayed? (Current code)
Result Proceed to Yes (Check the connection of connector. If there is no faulty connector, perform the diagnosis for the displayed DTCs.) A No (Finish the diagnosis.) B
Result:
A
GO TO DTC CHART
Check the connection of connector. If there is no faulty connector, perform the diagnosis for the displayed DTCs.
Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2021 - 06/2022] , or refer to DIAGNOSTIC TROUBLE CODE CHART [06/2022 - 12/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [12/2023 - 10/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2024 - ]
Result:
B
END