Caution / Notice / Hint

NOTE:

To measure the resistance of the CAN bus, turn the power switch off, wait at least 1 minutes without operating any keys or switches or opening or closing the doors, disconnect the auxiliary battery, wait at least 1 minutes again, and then measure the resistance.
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
Refer to PRECAUTION [01/2017 - 05/2023]
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
When disconnecting the cable from the negative (-) auxiliary battery terminal, refer to Initialization.
Refer to INITIALIZATION [01/2017 - 04/2020] , or refer to INITIALIZATION [04/2020 - 05/2023]
Communication malfunction DTCs may be output if a radio receiver assembly from another vehicle is installed to this vehicle. Therefore, when replacing the radio receiver assembly, be sure to replace it with a new one.

HINT:

When checking each connector, press the connector case in the direction of the connection before disconnecting the connectors, and check that there are no disconnections or looseness.
When disconnecting the connectors, check that there is no damage, deformation, or corrosion of the connector terminals and connector case.
Depending on the parts that are replaced, performing initialization, registration or calibration may be needed.
Refer to DIAGNOSTIC TROUBLE CODE CHART [01/2017 - 06/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [06/2019 - 04/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [04/2020 - 10/2022] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 05/2023]