How To Proceed With Troubleshooting [09/2014 - ]: Procedure
- VEHICLE BROUGHT TO WORKSHOP
Result
Proceed to NEXT Result:
NEXT
See step 2
- INSPECT BATTERY VOLTAGE
- Measure the voltage of the battery.
Standard Voltage
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
- Using the Techstream, inspect battery voltage reduction history "Battery Control Count (Body ECU)" in the Data List.
Refer to DATA LIST / ACTIVE TEST [09/2014 - 10/2015] , or refer to DATA LIST / ACTIVE TEST [10/2015 - 11/2017] , or refer to DATA LIST / ACTIVE TEST [11/2017 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 3
- Measure the voltage of the battery.
- CHECK DTC AND FREEZE FRAME DATA*
HINT:
Refer to DTC Check / Clear.
Refer to DTC CHECK / CLEAR [09/2014 - 11/2017] , or refer to DTC CHECK / CLEAR [11/2017 - 09/2020] , or refer to DTC CHECK / CLEAR [09/2020 - ]
Chassis > EMPS > Trouble Codes
Result
Proceed to NEXT Result:
NEXT
See step 4
- PROBLEM SYMPTOM CONFIRMATION
Result
Result Proceed to Symptom does not occur. A Symptom occurs. B Result:
B
See step 6
Result:
A
See step 5
- SYMPTOM SIMULATION
Result
Proceed to NEXT Result:
NEXT
See step 6
- CHECK CAN COMMUNICATION SYSTEM*
- Check for DTCs.
Refer to DIAGNOSIS SYSTEM [09/2014 - 10/2015] , or refer to DIAGNOSIS SYSTEM [10/2015 - 08/2016] , or refer to DIAGNOSIS SYSTEM [08/2016 - 11/2017] , or refer to DIAGNOSIS SYSTEM [11/2017 - 10/2018] , or refer to DIAGNOSIS SYSTEM [10/2018 - 11/2019] , or refer to DIAGNOSIS SYSTEM [11/2019 - 09/2020] , or refer to DIAGNOSIS SYSTEM [09/2020 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 10/2023] , or refer to DIAGNOSIS SYSTEM [10/2023 - ]
Result
Result Proceed to CAN communication system DTCs are not output. A CAN communication system DTCs are output. B HINT:
- If any CAN communication system DTCs are output, perform troubleshooting for the CAN communication system first.
- If communication to the power steering ECU assembly cannot be established through the Techstream, inspect terminals CANH and CANL of the DLC3 and the power steering ECU assembly, and the IG circuit of the power steering ECU assembly.
Result:
B
PROCEED 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 - 10/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ]
Result:
A
See step 7
- Check for DTCs.
- CHECK FOR DTC*
- Check for DTCs.
Refer to DTC CHECK / CLEAR [09/2014 - 11/2017] , or refer to DTC CHECK / CLEAR [11/2017 - 09/2020] , or refer to DTC CHECK / CLEAR [09/2020 - ]
Chassis > EMPS > Trouble Codes
HINT:
Refer to Diagnostic Trouble Code Chart when any DTCs are output.
Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2014 - 10/2015] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2015 - 11/2017] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2017 - 09/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [09/2020 - ]
Result
Result Proceed to DTCs are not output. A DTCs are output. B
Result:
B
See step 10
Result:
A
See step 8
- Check for DTCs.
- PROBLEM SYMPTOMS TABLE
- Refer to Problem Symptoms Table.
Refer to PROBLEM SYMPTOMS TABLE [09/2014 - 10/2015] , or refer to PROBLEM SYMPTOMS TABLE [10/2015 - 11/2017] , or refer to PROBLEM SYMPTOMS TABLE [11/2017 - 09/2020] , or refer to PROBLEM SYMPTOMS TABLE [09/2020 - ]
Result
Result Proceed to Fault is not listed in Problem Symptoms Table. A Fault is listed in Problem Symptoms Table. B
Result:
B
See step 10
Result:
A
See step 9
- Refer to Problem Symptoms Table.
- OVERALL ANALYSIS AND TROUBLESHOOTING*
- Refer to Terminals of ECU.
Refer to TERMINALS OF ECU [09/2014 - 09/2020] , or refer to TERMINALS OF ECU [09/2020 - ]
- Refer to Data List / Active Test.
Refer to DATA LIST / ACTIVE TEST [09/2014 - 10/2015] , or refer to DATA LIST / ACTIVE TEST [10/2015 - 11/2017] , or refer to DATA LIST / ACTIVE TEST [11/2017 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 10
- Refer to Terminals of ECU.
- REPAIR OR REPLACE
Result
Proceed to NEXT Result:
NEXT
See step 11
- CONFIRMATION TEST
Result
Proceed to NEXT Result:
NEXT
END