Caution / Notice / Hint
- Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - 08/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ]
- After performing repairs, perform the DTC check procedure and confirm that the DTCs are not output again.
- After the repair, perform the CAN bus check and check that all the ECUs and sensors connected to the CAN communication system are displayed.
Refer to DIAGNOSIS SYSTEM [10/2015 - 08/2016] , or refer to DIAGNOSIS SYSTEM [08/2016 - 12/2017] , or refer to DIAGNOSIS SYSTEM [12/2017 - 08/2018] , or refer to DIAGNOSIS SYSTEM [08/2018 - 08/2019] , or refer to DIAGNOSIS SYSTEM [08/2019 - ]
- DTC check procedure: Drive the vehicle at a speed of 5 km/h (3 mph) or more for 52 seconds or more.
- If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.
Refer to REGISTRATION [10/2015 - 08/2019] , or refer to REGISTRATION [08/2019 - 07/2021] , or refer to REGISTRATION [07/2021 - ]
- Before replacing the certification ECU (smart key ECU assembly), refer to the smart access system with push-button start (for Start Function) Precaution.
Refer to PRECAUTION [10/2015 - 08/2016] , or refer to PRECAUTION [08/2016 - 08/2019] , or refer to PRECAUTION [08/2019 - ]
HINT:
Even after DTCs are cleared, if a DTC is stored again after driving the vehicle for a while, the malfunction may be occurring due to vibration of the vehicle. In such a case, wiggling the ECUs or wire harness while performing the inspection below may help determine the cause of the malfunction.