How To Proceed With Troubleshooting [09/2014 - ]: Procedure
- VEHICLE BROUGHT TO WORKSHOP
Result
Proceed to NEXT Result:
NEXT
See step 2
- CUSTOMER PROBLEM ANALYSIS
HINT:
- In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
- Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
The following 5 items are important points for problem analysis:
What Vehicle model, system name When Date, time, occurrence frequency Where Road conditions Under what conditions? Running conditions, driving conditions, weather conditions How did it happen? Problem symptoms Result
Proceed to NEXT Result:
NEXT
See step 3
- INSPECT BATTERY VOLTAGE
- Measure the battery voltage.
Standard Voltage
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
Result
Proceed to NEXT
Result:
NEXT
See step 4
- Measure the battery voltage.
- INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
- Check if CAN communication DTCs are output.
Refer to DIAGNOSIS SYSTEM [09/2014 - 08/2016] , or refer to DIAGNOSIS SYSTEM [08/2016 - 11/2017] , or refer to DIAGNOSIS SYSTEM [11/2017 - 03/2019] , or refer to DIAGNOSIS SYSTEM [03/2019 - 09/2020] , or refer to DIAGNOSIS SYSTEM [09/2020 - 01/2023] , or refer to DIAGNOSIS SYSTEM [01/2023 - 10/2023] , or refer to DIAGNOSIS SYSTEM [10/2023 - ]
Result
Result Proceed to CAN communication DTCs are not output. A CAN communication DTCs are output. B
Result:
B
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 11/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2019 - 01/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [01/2023 - ]
Result:
A
See step 5
- Check if CAN communication DTCs are output.
- CHECK FOR DTC*
HINT:
Refer to DTC Check / Clear.
Refer to DTC CHECK / CLEAR [09/2014 - ]
Result
Result Proceed to DTCs are not output. A DTCs are output. B Result:
B
GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2014 - ]
Result:
A
See step 6
- REFER TO PROBLEM SYMPTOMS TABLE
HINT:
Refer to Problem Symptoms Table.
Refer to PROBLEM SYMPTOMS TABLE [09/2014 - ]
Result
Result Proceed to Malfunctioning parts are not confirmed. A Malfunctioning parts are confirmed. B Result:
B
See step 12
Result:
A
See step 7
- OVERALL ANALYSIS AND TROUBLESHOOTING*
HINT:
Refer to Data List / Active Test.
Refer to DATA LIST / ACTIVE TEST [09/2014 - 03/2019] , or refer to DATA LIST / ACTIVE TEST [03/2019 - 09/2020] , or refer to DATA LIST / ACTIVE TEST [09/2020 - ]
Result
Result Proceed to Malfunctioning parts are not confirmed. A Malfunctioning parts are confirmed. B Result:
B
See step 12
Result:
A
See step 8
- CHECK ECM CIRCUIT
HINT:
Refer to Terminals of ECM.
Refer to TERMINALS OF ECM [09/2014 - ]
Result
Result OK NG Result:
NG
See step 12
Result:
OK
See step 9
- CHECK FOR INTERMITTENT PROBLEMS
HINT:
Refer to Symptom Simulation.
Refer to CHECK FOR INTERMITTENT PROBLEMS [09/2014 - ]
Result
Proceed to NEXT Result:
NEXT
See step 10
- CONDUCT PARTS INSPECTION
Result
Proceed to NEXT Result:
NEXT
See step 11
- IDENTIFY PROBLEM
Result
Proceed to NEXT Result:
NEXT
See step 12
- ADJUST AND/OR REPAIR
Result
Proceed to NEXT Result:
NEXT
See step 13
- CONDUCT CONFIRMATION TEST
Result
Proceed to NEXT Result:
NEXT
END