Symptom
Diagnostic procedure
Also check for
23-99
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Voice guidance cannot be heard,
is broken up, or there is static
Symptom Troubleshooting
(see page 23-122)
Volume or voice feedback setting (see
Owner’s manual)
Navigation unit
Harness/fuses/switches
Voice control does not work/
respond
Symptom Troubleshooting
(see page 23-123)
Navigation unit
The wrong color DVD is installed
The DVD is damaged or dirty
Microphone harness/switches
Navigation cannot control HVAC
by voice command
Symptom Troubleshooting
(see page 23-130)
Wrong color DVD is installed
Harness/fuses/switches
Wrong navigation unit (model code)
Navigation cannot control XM
radio
Symptom Troubleshooting
(see page 23-130)
Low or weak battery
Navigation cannot control audio
system
Symptom Troubleshooting
(see page 23-129)
Wrong color DVD
Navigation display buttons do not
work or respond properly
Symptom Troubleshooting
(see page 23-121)
Navigation unit
Open/short between the XM receiver
or the GA-Net bus
The wrong color DVD is installed
The DVD is damaged or dirty
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
See Owner’s Manual
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
(see page 23-111)
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
Address cannot be found or
system gives poor routing
Verify proper operation and
system limitations using the
owner’s manual
See Answering customer
question Navigation coverage
in general troubleshooting
Refer to Database limitation in
the navigation system manual
to report database errors
Database limitations (address not in
database)
Wrong color DVD installed
OPEN/CLOSE function of the
display does not work
Symptom Troubleshooting
(see page 23-132)
Navigation unit
Harness
Navigation display will not close
Symptom Troubleshooting
(see page 23-133)
Navigation unit
Harness
Navigation display does not open
or opens part way
Symptom Troubleshooting
(see page 23-133)
Navigation unit
Harness
PC card will not play/card icon on
audio screen cannot be selected
Symptom Troubleshooting
(see page 23-67)
Navigation unit
08/08/21 14:06:26 61SNR030_230_0102