224 Troubleshooting
If You Think Something Is Not Working Properly...
Here is a list of symptoms, causes and responses if you think something is not working properly.
Common
Symptoms Cause Response
The operation sound is not made. The operation sound is set to [OFF]. Set the [Navi Voice/Others] “Beep Sound Volume” to [1]
to [3].
→“Navi Voice/Others”(P204)
Nothing is displayed on the screen. The screen is turned OFF. Stop the vehicle in a safe location, apply the parking
brakes, then perform the operation to turn the screen
back ON
(P216).
The vehicle's battery voltage has dropped. Charge or replace the battery.
The temperature inside the product is high. Please wait for the temperature to drop.
The monitor screen is dark. The monitor brightness is not correctly adjusted. Adjust the monitor brightness.
→ “Picture Control”(P216)
The vehicle's lights are ON. The factory default setting is that when the vehicle's
lights are ON, the screen becomes dark. Press the
key and change this setting. → “Main Unit
Panel”(P12)
Day & night colors setting is “Set Night”.
Press the key and change this setting. →“Main
Unit Panel”(P12)
Troubleshooting
225
Other
Navigation Functions
Symptoms Cause Response
The navigation function does not start. No map card is inserted. Insert the map card.→“Insert an SD Card”(P15)
The wrong SD card is inserted. Insert the special map card.
There is a problem with the radio signals from the
GPS satellite.Please go on for a little while in the GPS receiving
state.
The vehicle moved by ferry or the like.
The vehicle's direction was changed by a turntable in
a parking garage or the like.
The speed learning level is low.
When this product is used for the fi rst time, it takes a
while to calculate the position of your car.Wait in a location with a good view for a while.
When this product has not been used for long time, it
takes a while to calculate the position of your car.
A mirror type fi lm or shade fi lm that contains carbon is
pasted onto the windshield near the GPS antenna.
Some other antenna is near the GPS antenna. Check the position of the GPS antenna
(P27) and if
another antenna may be the cause of the problem,
move that other antenna.
There is something on the GPS antenna. Check the position of the GPS antenna
(P27) and if
something on the GPS antenna may be the cause of
the problem, remove it.
Immediately after the ignition switch is turned to ACC
or ON, some functions cannot be used immediately
after the map screen is displayed because data is
being read in.Please wait until the reading is completed.
Menu operation is not possible. Immediately after the ignition switch is turned to ACC
or ON, some functions cannot be used immediately
after the map screen is displayed because data is
being read in.Please wait until the reading is completed.
There is no audio guidance. The audio guidance volume is “OFF”. Set the [Navi Voice/Others] “Guidance Voice Volume” to
[1] to [7].
→“Navi Voice/Others”(P204)
RTT messages cannot be received. No RTT message has been received yet. Wait in a location with a good view for a while.