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Home >> Acura >> 2009 >> CSX Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Navigation System) >> Symptom Troubleshooting Index

Symptom Troubleshooting Index

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Diagnostic procedure Also check for
Navigation system stays on the GPS initialization screen System Initialization (see AUDIO-NAVIGATION UNIT AND HDD SERVICE PRECAUTIONS )
  • Audio-navigation unit
  • Internal defect in GPS antenna
  • GPS antenna/cable is disconnected or damaged
  • Aftermarket metallic window tint
  • Software not up to date Harness/fuses/switches
Vehicle position icon constantly leaves road, moves erratically, or is displayed very far from actual vehicle position Symptom Troubleshooting (see VEHICLE POSITION ICON CONSTANTLY LEAVES ROAD, MOVES ERRATICALLY, OR IS DISPLAYED VERY FAR FROM ACTUAL VEHICLE POSITION )
  • Audio-navigation unit
  • Internal defect in GPS antenna
  • GPS antenna/cable
  • Aftermarket metallic window tint
  • PCM (speed and fuel pulses)
  • Harness/fuses/switches
System always comes up in in-line diagnostic mode Factory diagnostic screen in Line Diag (see FACTORY DIAGNOSTIC SCREEN IN LINE DIAG )  
Navigation system will not accept security code Symptom Troubleshooting (see NAVIGATION SYSTEM WILL NOT ACCEPT SECURITY CODE ) Anti-theft code not matching
Navigation frequently asks for anti-theft code and/or needs GPS initialization Symptom Troubleshooting (see NAVIGATION FREQUENTLY ASKS FOR ANTI-THEFT CODE AND/OR NEEDS GPS INITIALIZATION )
  • Loss of voltage or poor ground (G651)
  • Navigation unit
  • Software not up to date
  • Low battery voltage
  • Harness/fuses/switches
GPS icon is white or not shown Symptom Troubleshooting (see GPS ICON IS WHITE OR NOT SHOWN )
  • Audio-navigation unit
  • Internal defect in GPS antenna
  • Aftermarket accessories connected to the system
  • GPS antenna/cable
  • Aftermarket metallic window tint
  • Harness/fuses/switches
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 VEHICLE ICON SPINS )
  • Audio-navigation unit
  • GPS antenna/cable
  • Aftermarket metallic window tint
  • PCM (speed signal)
  • Internal defect in GPS antenna
No picture is displayed Symptom Troubleshooting (see SYMPTOM TROUBLESHOOTING )
  • Software not up to date
  • Audio-navigation unit
  • Navigation display unit
  • Harness/fuses/switches
Picture has lines or rolls Symptom Troubleshooting (see PICTURE HAS LINES OR ROLLS )
  • Aftermarket accessories connected to the system
  • Audio-navigation unit
  • Navigation display unit
  • 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 )
  • Software not up to date
  • Audio-navigation unit
  • Navigation display unit
  • Aftermarket accessories connected to the system
  • Harness/fuses/switches
Traffic or Weather information is not shown on map screen Symptom Troubleshooting (see TRAFFIC OR WEATHER INFORMATION IS NOT SHOWN ON MAP SCREEN )
  • AcuraLink (XM)
  • Audio-navigation unit
  • Low or weak battery
  • Harness
  • Client account status
  • Area outage
  • Area not covered
Display day/night mode does not work or does not work properly Symptom Troubleshooting (see DISPLAY DAY/NIGHT MODE DOES NOT WORK OR DOES NOT WORK PROPERLY )
  • Audio-navigation unit
  • The gauge brightness level is set to High in day or night mode
  • Navigation display unit
  • Gauge control module (CAN)
  • The navigation display brightness is not set to Auto mode
  • Harness/fuses/switches
System locks up or freezes constantly Symptom Troubleshooting (see DISPLAY DAY/NIGHT MODE DOES NOT WORK OR DOES NOT WORK PROPERLY )
  • Audio-navigation unit
  • Software not up to date
  • 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 )
  • Volume or voice feedback setting (see )
  • Audio-navigation unit
  • Stereo/amplifier Harness/fuses/switches
Voice control does not work/respond Symptom Troubleshooting (see VOICE CONTROL DOES NOT WORK/RESPOND )
  • Audio-navigation unit
  • Microphone
  • Harness/switches
  • HandsFreeLink control unit
Navigation cannot control HVAC by voice command Symptom Troubleshooting (see NAVIGATION CANNOT CONTROL HVAC BY VOICE COMMAND )
  • Software not up to date
  • Harness/fuses/switches
  • Wrong audio-navigation unit (model code)
  • B-CAN DTCs
Navigation cannot control XM radio Symptom Troubleshooting (see NAVIGATION CANNOT CONTROL XM RADIO )
  • Software not up to date
  • Audio-navigation unit
  • AcuraLink control unit(XM receiver) (USA models) or XM receiver (Canada models)
  • Harness
Navigation cannot control audio system Symptom Troubleshooting (see NAVIGATION DISPLAY STAYS ON WITH THE IGNITION SWITCH IN LOCK (0), OR IN THE OFF MODE )
  • Audio-navigation unit
  • Harness
  • Software not up to date
Interface dial buttons do not work Symptom Troubleshooting (see INTERFACE DIAL BUTTONS DO NOT WORK )
  • Audio-navigation unit
  • Navigation display unit
  • Interface dial
  • Harness/fuses/switches
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
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 Without a stored previous destination, the system can't route to a previous 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 service information
  • See Answering client question about Navigation coverage in general troubleshooting
  • Database limitations (address not in database)
  • Software not up to date
  • Older database
Rearview camera image does not come on or work properly Symptom Troubleshooting (see REARVIEW CAMERA IMAGE DOES NOT COME ON OR WORK PROPERLY )
  • Check software for latest up-dates
  • No backup signal
  • Wrong disc installed in navigation unit
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 VERSION ) for details on coverage differences Software not up to date
Navigation display stays on with the ignition switch in LOCK (0), or in the OFF mode Symptom Troubleshooting (see NAVIGATION DISPLAY STAYS ON WITH THE IGNITION SWITCH IN LOCK (0), OR IN THE OFF MODE )
  • Harness/fuses/switches
  • Aftermarket accessories connected to the system
Navigation system will not go beyond the disclaimer screen and displays the OK button Also see Interface dial buttons do not work
  • Software not up to date
  • Audio-navigation unit
The navigation anti-theft code card is lost or missing See anti-theft feature (see GENERAL TROUBLESHOOTING INFORMATION )  
The vehicle icon lags behind when the vehicle turns See self-inertial navigation limitations (see GENERAL TROUBLESHOOTING INFORMATION )
  • Aftermarket accessories connected to the system
  • GPS antenna/cable
  • Aftermarket metallic window tint
Navigation screen is darker than normal or takes time to brighten when it is cold See LCD unit limitations (see MUTING LOGIC ) Compare to a known-good vehicle
The navigation clock is off by 1 to 3 hours after replacing the navigation unit See service precautions (see AUDIO-NAVIGATION UNIT AND HDD SERVICE PRECAUTIONS )
  • Do map matching (see ENTERING THE SECURITY CODE )
  • GPS antenna/cable
  • Aftermarket metallic window tint
  • Check and adjust the clock settings
  • Check the keyless remote linking
Time is not correct Reset Time Adjustment in set-up See service precautions (see AUDIO-NAVIGATION UNIT AND HDD SERVICE PRECAUTIONS )
  • Software not up to date
  • Reset Time Adjustment in set-up
  • A defective GPS receiver in the audio-navigation unit
A POI cannot be found See how to answer client questions about navigation coverage (see HOW TO ANSWER CLIENT QUESTIONS ABOUT NAVIGATION COVERAGE )
  • Software not up to date
  • The database may be out of date Confirm the POI exists in a current production vehicle
A specific city cannot be found See how to answer client questions about navigation coverage (see HOW TO ANSWER CLIENT QUESTIONS ABOUT NAVIGATION COVERAGE )
  • Software not up to date
  • The database may be out of date Confirm the address exists in a current production vehicle
Error messages are displayed See Error Message Table 
  • Software not up to date
  • The database may be out of date Confirm the address exists in a current production vehicle