MMCS
TSB Revision
CHASSIS ELECTRICAL
54A-441
Prior to troubleshooting, interrogate your cus-
tomer about how the navigation system is used
and where he/she drives. If you determine that
the system is OK, explain to your customer about
how the system works and how the customer
should operate it.
2. If the system is not OK, diagnose the system
according to the trouble symptom chart.
ERROR MESSAGE
M1546023500221
When the multivision display detects its own uninten-
tional operation or malfunction in the loaded disc, it
displays the following error messages.
Error messages
Error
contents
Cause
Action
The unit is too hot.
Please wait...
Malfunction of
HDD by high
temperature
The temperature of HDD
inside the multivision
display is 201
°F (94°C) or
more.
Wait until the temperature drops to the
operable temperature. After the
temperature drops, the error message
display is terminated, and then
returns to the screen before the error
message display.
The unit is too cold.
Please wait...
Malfunction of
HDD by low
temperature
The temperature of HDD
inside the multivision
display is -4
°F ( −20°C) or
less.
Wait until the temperature rises to the
operable temperature by working the
air conditioning. After the temperature
rises, the error message display is
terminated, and the screen returns to
the status before displaying the error
message.
It is difficult to read the
hard disc. Wait for a
while until the hard disk
is restored.
Malfunction of
HDD by
vibration
Severe vibration is applied
to the multivision display,
and the reading of the
HDD data is prohibited.
When the multivision display confirms
the HDD data reading availability, it
restarts automatically. Check if the
multivision display is securely
installed to the vehicle body.
HDD Partition
Error
System malfunction
occurs to the HDD inside
the multivision display.
The multivision display checks HDD
automatically. "Restart" is displayed
after the completion of the check.
Select "Restart" to restart the
multivision display. If it does not
restart, turn the ignition switch to the
OFF position to turn off the power
supply, and then turn the ignition
switch to the ON position to restart.
After the restart, check that the OK is
displayed for the HDD Drive in the
"Network/Connect Line Check" of the
MMCS service mode. If not, replace
the multivision display.