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This Condition is Not Abnormal
=NAEL0428
EXAMPLE OF BASIC OPERATIONAL ERRORS
NAEL0428S01
Symptom Possible cause Repair order
No image is dis-
played.
Monitor brightness control is set to full dark. Readjust monitor brightness.
Map does not appear
on display.
Map CD is not inserted or inserted upside down. Insert the map CD with the label facing up.
Map mode is turned OFF. Press the “MAP” button.
No guide tone is
heard.
Voice guide adjustment OFF/Volume is set to the
lowest or highest level.
Adjust the voice guide level.
Voice guide volume
is too high or too low.
Dark display/Slow
image movement
Low vehicle interior temperature
Wait until vehicle interior temperature rises to appro-
priate level.
Small black or white
dots appear on the
screen.
Unique liquid crystal display phenomena No problem
“Unable to read CD”
message appears
only during specified
operation.
Map CD surface is tainted/CD surface is partially
scratched.
Check map CD surface. If dirty, wipe clean with a
soft cloth.
If map CD surface is damaged, replace the CD.
Area place names are not displayed.
If area place names do not appear on the map display, these names may not be available. Use the BIRD-
VIEW
T
flat surface map display function. Display output may differ. Note the items related to BIRDVIEW
T
below.
I Priority is given to the display of place names in the direction of vehicle travel.
I Extended display of vehicle travel distance for both surfaces and steering angle (flat directional changes).
This phenomenon disappears after the display image has been replaced by another one.
I The names of route and area might vary between the immediate front area and distance front area.
I Alphanumeric display characters are limited to maintain display simplicity and clarity. Display details may
differ with time and place.
I Identical place and road names may appear on the display at more than one location.
NAVIGATION SYSTEM
This Condition is Not Abnormal
EL-444
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