Caution / Notice / Hint

NOTE:

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 [10/2023 - ]
Before measuring the resistance of the CAN bus, turn the engine switch off and leave the vehicle for 1 minute or more without operating the key, switches or opening or closing the doors. After that, disconnect the cable from the negative (-) battery terminal and leave the vehicle for 1 minute or more before measuring the resistance.
After turning the engine switch off, waiting time may be required before disconnecting the cable from the battery terminal.
Refer to PRECAUTION [10/2023 - ]
When disconnecting and reconnecting the battery.
Refer to AUTOMATIC LEARNING CHART [10/2023 - ]

HINT:

When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.

Refer to DIAGNOSIS SYSTEM [10/2023 - ]