Acura RL. Manual - part 638



Harness/fuses/switches

Vehicle position icon
constantly leaves road,
moves erratically, or is
very far from actual
position

Symptom Troubleshooting (see VEHICLE
POSITION ICON CONSTANTLY
LEAVES ROAD, MOVES
ERRATICALLY, OR IS VERY FAR
FROM ACTUAL POSITION )



Navigation unit



GPS antenna/cable



PCM (speed and fuel
pulses)



Harness/fuses/switches

Picture is missing a
color or tone or is an
odd color

Symptom Troubleshooting (see PICTURE
IS MISSING A COLOR OR TONE OR
IS AN ODD COLOR )



Navigation unit



The wrong color DVD is
installed



The DVD is damaged or
dirty



Display unit



Harness/fuses/switches



Aftermarket accessories
connected to the system

Picture has lines or
rolls

Symptom Troubleshooting (see PICTURE
HAS LINES OR ROLLS )



Navigation unit



Display unit



Harness/fuses/switches

Interface dial buttons
do not work

Symptom Troubleshooting (see
INTERFACE DIAL BUTTONS DO
NOT WORK )



Navigation unit



Display unit



Interface dial



The wrong color DVD is
installed



The DVD is damaged or
dirty



Harness/fuses/switches

GPS icon is white or
not shown

Symptom Troubleshooting (see GPS ICON
IS WHITE OR NOT SHOWN )



Navigation unit



Aftermarket accessories
connected to the system



GPS antenna/cable



The wrong color DVD is
installed



The DVD is damaged or
dirty



Harness/fuses/switches

Voice guidance cannot
be heard, is broken up,
or there is static

Symptom Troubleshooting (see VOICE
GUIDANCE CANNOT BE HEARD, IS
BROKEN UP, OR THERE IS STATIC )



Navigation unit



Volume or Voice feedback
settings (see Owner's
manual for details)



Audio unit/amplifier



Harness/fuses/switches

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

Friday, June 05, 2009 3:28:15 PM

Page 11

Voice control does not
work/respond

Symptom Troubleshooting (see VOICE
CONTROL DOES NOT
WORK/RESPOND )



Navigation unit



Microphone/voice control
switch



The wrong color DVD is
installed



The DVD is damaged or
dirty



Harness/fuses/switches

DVD screen error
messages

Symptom Troubleshooting (see DVD
SCREEN ERROR MESSAGES )



Navigation unit



Wrong colored disc
installed



Damaged DVD



Display unit



The wrong color DVD is
installed



The DVD is damaged or
dirty

Navigation cannot
control HVAC by
voice command

Symptom Troubleshooting (see
NAVIGATION CANNOT CONTROL
HVAC BY VOICE COMMAND )



HVAC control unit



Display unit



The wrong color DVD is
installed



The DVD is damaged or
dirty



Harness/fuses/switches

Display day/night
mode does not work

Symptom Troubleshooting (see DISPLAY
DAY/NIGHT MODE DOES NOT
WORK )



Display unit



HVAC control unit



Display brightness set to
"High"



Gauge control module
(CAN)



The wrong color DVD is
installed



The DVD is damaged or
dirty



Harness/fuses/switches

System locks up or
freezes constantly

Symptom Troubleshooting (see SYSTEM
LOCKS UP OR FREEZES
CONSTANTLY )



Navigation unit



Harness/fuses/switches



Wrong colored disc
installed



Damaged DVD



The wrong color DVD is
installed

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

Friday, June 05, 2009 3:28:15 PM

Page 12



The DVD is damaged or
dirty

Vehicle icon wanders
across the map when
driving (does not
follow a displayed
road) or map or vehicle
ICON spins

Symptom Troubleshooting (see VEHICLE
ICON WANDERS ACROSS THE MAP
WHEN DRIVING (DOES NOT
FOLLOW A DISPLAYED ROAD) OR
MAP OR VEHICLE ICON SPINS )



Navigation unit



GPS antenna/cable



PCM



Wrong colored disc
installed

Navigation system will
not Map Match

Refer to troubleshooting for vehicle icon
wanders across the map when driving (see
VEHICLE ICON WANDERS ACROSS
THE MAP WHEN DRIVING (DOES
NOT FOLLOW A DISPLAYED ROAD)
OR MAP OR VEHICLE ICON SPINS ).

Navigation system will
not accept security
code

Symptom Troubleshooting (see
NAVIGATION SYSTEM WILL NOT
ACCEPT SECURITY CODE )

Navigation display
stays on with ignition
switch OFF

Symptom Troubleshooting (see
NAVIGATION DISPLAY STAYS ON
WITH IGNITION SWITCH OFF )

Navigation cannot
control audio system

Symptom Troubleshooting (see
NAVIGATION CANNOT CONTROL
AUDIO SYSTEM )



Harness/fuses/switches



The wrong color DVD is
installed



The DVD is damaged or
dirty



Aftermarket accessories
connected to the system

Navigation cannot
control XM radio

Symptom Troubleshooting (see
NAVIGATION CANNOT CONTROL
XM RADIO )



Display unit



Wrong colored disc
installed



The wrong color DVD is
installed



The DVD is damaged or
dirty



Harness

Traffic information is
not being shown on
map screen

Symptom Troubleshooting (see TRAFFIC
INFORMATION IS NOT BEING
SHOWN ON MAP SCREEN )



AcuraLink (XM)



Navigation unit



Harness

Trip computer-no
distance

Symptom Troubleshooting (see TRIP
COMPUTER-NO DISTANCE )



PCM (speed and fuel
pulses)



Harness/fuses/switches

Trip computer-no fuel
information

Symptom Troubleshooting (see TRIP
COMPUTER-NO FUEL
INFORMATION )



Gauge control module
(CAN)



Harness/fuses/switches

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

Friday, June 05, 2009 3:28:15 PM

Page 13

Rearview camera
image does not come
on or work properly

Symptom Troubleshooting (see
REARVIEW CAMERA IMAGE DOES
NOT COME ON OR WORK
PROPERLY )



Software for the latest up-
dates



No backup signal



Wrong disc installed in
navigation unit

A POI cannot be found

See "How to answer client questions about
navigation coverage" (see HOW TO
IDENTIFY NAVIGATION DVD
VERSIONS, AND HOW TO INSPECT
A DVD FOR DAMAGE )



The DVD is scratched or
dirty

A specific city cannot
be found

See "How to answer client questions about
navigation coverage" (see HOW TO
IDENTIFY NAVIGATION DVD
VERSIONS, AND HOW TO INSPECT
A DVD FOR DAMAGE )



The DVD is scratched or
dirty

Address cannot be
found or system gives
poor routing

Verify proper operation using the owner's
manual



Compare to another like
vehicle



Wrong colored disc
installed

Navigation frequently
asks for anti-theft code
and needs GPS
initialization

Symptom Troubleshooting (see GPS
INITIALIZATION )



Navigation unit



Low battery



Harness/fuses/switches

Previous Destinations
button is dim and not
selectable in the Enter
destination by screen
(grayed-out)

The vehicle may be new, or the client
deleted the destination. Enter a destination,
and allow the system to route to it. After the
trip, the Previous Destinations button will
be selectable.

Some set-up and
information functions
of the navigation
system are grayed-out
and do not work

Client did not select "OK" from Disclaimer
screen. Refer to SYSTEM FUNCTION
DIAGRAM .

System always comes
up in in-line diagnostic
mode

Symptom Troubleshooting (see
FACTORY DIAGNOSTIC SCREEN
"IN LINE DIAG" )

The map will not
display the Southern
portion of the U.S. or
the Northern parts of
Canada

North American coverage is different for
U.S./Canada markets. See the "VERSION"
Diagnostic Screen (see ) for details on
coverage differences.

Time is not correct

Reset Time Adjustment in set-up.

Today's Destinations
button is dim and not
selectable in the Enter
destination by screen
(grayed-out)

The client has not entered a group of
locations for Today's Destinations. This is
normal. The button is only selectable if the
client is using this function.

Symptom Troubleshooting (see

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

Friday, June 05, 2009 3:28:15 PM

Page 14

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