LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2005 >> RL >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Navigation System) >> Symptom Troubleshooting Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Symptom Troubleshooting Index

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM TROUBLESHOOTING CHART

Symptom Diagnostic procedure Also check for
No picture is displayed Symptom troubleshooting (see NO PICTURE IS DISPLAYED  )
  • Navigation unit
  • The wrong colored DVD or version is installed
  • Display panel control unit
  • Harness/fuses/switches
Picture has lines/rolls/other issues or is an odd color Symptom troubleshooting (see PICTURE HAS LINES/ROLLS/OTHER ISSUES OR IS AN ODD COLOR  )
  • Navigation unit
  • The wrong colored DVD or version is installed
  • Aftermarket accessories
  • Display panel control unit
  • Harness/fuses/switches
Display panel control unit buttons or touch screen buttons do not work or respond properly Symptom troubleshooting (see DISPLAY PANEL CONTROL UNIT BUTTONS OR TOUCH SCREEN BUTTONS DO NOT WORK OR RESPOND PROPERLY  )
  • Navigation unit
  • The wrong colored DVD or version is installed
  • Display panel control unit
  • Harness/fuses/switches
GPS icon is white or not shown Symptom troubleshooting (see GPS ICON IS WHITE OR NOT SHOWN  )
  • Navigation unit
  • GPS antenna/cable is disconnected or damaged
  • 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
  • Audio unit/amplifier
  • Harness/fuses/switches
Voice control does not work/respond Symptom troubleshooting (see VOICE CONTROL DOES NOT WORK/RESPOND  )
  • Navigation unit
  • Microphone/voice control switch
  • 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, IS VERY FAR FROM ACTUAL POSITION  )
  • Navigation unit
  • The wrong colored DVD or version is installed
  • GPS antenna/cable is disconnected or damaged
  • ECM/PCM (speed and fuel pulses)
  • Harness/fuses/switches
Vehicle icon wanders across the map when driving (does not follow a displayed road) or map or vehicle ICON spins See vehicle position icon constantly leaves road, moves erratically, is very for from actual position troubleshooting (see VEHICLE POSITION ICON CONSTANTLY LEAVES ROAD, MOVES ERRATICALLY, IS VERY FAR FROM ACTUAL POSITION  )
  • Navigation unit
  • GPS antenna/cable
  • ECM/PCM
  • The wrong colored DVD or version is installed
DVD screen error messages Symptom troubleshooting (see DVD SCREEN ERROR MESSAGES  )
  • Navigation unit
  • Display panel control unit
  • The wrong colored DVD or version is installed
Navigation cannot control HVAC by voice command Symptom troubleshooting (see NAVIGATION CANNOT CONTROL HVAC BY VOICE COMMAND  )
  • The wrong colored DVD or version is installed
  • Display panel control unit
  • Climate control unit
  • Harness/fuses/switches
Display day/night mode does not work Symptom troubleshooting (see DISPLAY DAY/NIGHT MODE DOES NOT WORK  )
  • Display panel control unit
  • Gauge control module (CAN)
  • Harness/fuses/switches
System locks up or freezes constantly Symptom troubleshooting (see SYSTEM LOCKS UP OR FREEZES CONSTANTLY  )
  • Navigation unit
  • Harness/fuses/switches
  • The wrong colored DVD or version is installed
Vehicle icon moves by itself or spins when parked Symptom troubleshooting (see VEHICLE ICON MOVES BY ITSELF OR SPINS WHEN PARKED  )  
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  ) The wrong colored DVD or version is installed
Audio-HVAC subdisplay unit does not work properly Symptom troubleshooting (see AUDIO-HVAC SUBDISPLAY UNIT DOES NOT WORK PROPERLY  )
  • Navigation unit
  • Audio unit
  • Audio-HVAC subdisplay unit
  • The wrong colored DVD or version is installed
  • Harness/fuses/switches
The Honda Globe Screen appears every time the vehicle is started Symptom troubleshooting (see THE HONDA GLOBE SCREEN APPEARS EVERY TIME THE VEHICLE IS STARTED  ) Also see the symptom The wrong DVD was installed and now the system does not function properly
Navigation does not call using the HFL Symptom troubleshooting (see NAVIGATION DOES NOT CALL USING THE HFL  ) The wrong colored DVD or version is installed
Navigation cannot control XM radio Symptom troubleshooting (see NAVIGATION CANNOT CONTROL XM RADIO  ) The wrong colored DVD or version is installed
Navigation frequently asks for anti-theft code and needs GPS initialization Symptom troubleshooting (see NAVIGATION FREQUENTLY ASKS FOR ANTI-THEFT CODE AND NEEDS GPS INITIALIZATION  )
  • Navigation unit
  • Harness/fuses/switches
Navigation system will not accept security code Symptom troubleshooting (see NAVIGATION SYSTEM WILL NOT ACCEPT SECURITY CODE  )  
Rearview camera image does not come on or work properly Symptom troubleshooting (see REARVIEW CAMERA IMAGE DOES NOT COME ON OR WORK PROPERLY  ) The wrong colored DVD or version is installed
Navigation unit will not eject or accept the navigation DVD Symptom troubleshooting (see NAVIGATION UNIT WILL NOT EJECT OR ACCEPT THE NAVIGATION DVD  )  
Traffic information is not being shown on map screen Symptom troubleshooting (see TRAFFIC INFORMATION IS NOT BEING SHOWN ON MAP SCREEN  ) Check any official Honda service web site for more service information about traffic information.
System always comes up in in-line diagnostic mode See factory Diagnostic screen "In-Line Diag" (see FACTORY DIAGNOSTIC SCREEN "IN LINE DIAG"  )
  • Factory diag mode
  • Check the navigation SCS service connector
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 The wrong colored DVD or version is installed
Navigation system stays on the GPS initialization screen System Initialization (see SYSTEM INITIALIZATION  ) GPS initialization (see GPS INITIALIZATION  )
  • Navigation unit
  • GPS antenna/cable is disconnected or damaged
  • Harness/fuses/switches
The DVD is scratched or dirty See "DVD Handling and Cleaning" (see DVD HANDING AND CLEANING  ) Navigation unit
The wrong DVD was installed and now the system does not function properly See "Precaution client Sneak Previews" (see PRECAUTION ON CLIENT "SNEAK PREVIEWS"  )
  • Install the correct version DVD
  • Check on-line for service bulletins or other service information for the navigation system
A POI cannot be found See "How to answer client questions about navigation coverage" (see HOW TO ANSWER CLIENT QUESTIONS ABOUT NAVIGATION COVERAGE  ) The DVD is scratched or dirty
A specific city cannot be found See "How-to answer client questions about navigation coverage" (see HOW TO ANSWER CLIENT QUESTIONS ABOUT NAVIGATION COVERAGE  ) The DVD is scratched or dirty
Time is not correct Reset Time Adjustment in set-up The wrong colored DVD or version is installed
Address cannot be found or system gives poor routing
  • See "Answering client questions about navigation coverage" in general troubleshooting
  • Verify proper operation and system limitations using the navigation system manual
  • The wrong colored DVD or version is installed
  • Database limitations (address not in database)
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  
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 them. Enter a destination, and allow the system to route to it. After the trip, the Previous Destinations button will be selectable See Owner's Manual for more details
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