Note
When replacing the radio receiver assembly or navigation ECU, always replace it with a new one.
If a radio receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:
A communication malfunction DTC may be stored.
The radio receiver assembly or navigation ECU may not operate normally.
After replacing the radio receiver assembly, if the "New software is not compatible with the system. Contact your dealer." on-screen message is displayed on the multi-display assembly, update the software of the navigation ECU.
After replacing the navigation ECU, if the "New software is not compatible with the system. Contact your dealer." on-screen message is displayed on the multi-display assembly, update the software of the radio receiver assembly.
PRECAUTION FOR AUDIO AND VISUAL SYSTEM