When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
A communication malfunction DTC may be stored.
The radio and display receiver assembly may not operate normally.
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
Check if there is any foreign matter caught between the display and exterior frame of the multi-display.
No foreign matter is caught between the display and exterior frame of the multi-display.
If there is foreign matter between the display and exterior frame of the multi-display, the touch panel will remain pressed, preventing touch switch operation.
Turn the ignition switch to ACC or ON with your hand touching the operating section, non-response may occur.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Check for foreign matter on the display.
The display is clean.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Enter the "Touch Switch Check" screen. Refer to Check Touch Switch in Operation Check.
Touch the display in the area where the switch malfunction occurs.
A "+" mark appears at the touched position.
| Proceed to |
|---|
| OK |
| NG |
OK
NG