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Symptom Troubleshooting Index

WARNING: This page is about a different car, the 2008 Honda Pilot, 2007 Honda Pilot, and 2006 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM TROUBLESHOOTING INDEX

Symptom Diagnostic procedure Also check for
No picture is displayed Symptom Troubleshooting (see NO PICTURE IS DISPLAYED  )
  • Navigation unit
  • DVD damaged or wrong color
  • Navigation display unit
  • Non-OEM device tapped into the system like gaming system or TV tuner
  • 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
  • DVD damaged or wrong color
  • Non-OEM device tapped into the system like gaming system or TV tuner
  • Harness/fuses/switches
  • Navigation screen settings
Picture has lines or rolls Symptom Troubleshooting (see PICTURE HAS LINES OR ROLLS  )
  • Navigation unit
  • DVD damaged or wrong color
  • Navigation display unit
  • Non-OEM device tapped into the system like gaming system or TV tuner
  • Harness/fuses/switches
Navigation display buttons do not work or respond properly Symptom Troubleshooting (see NAVIGATION DISPLAY BUTTONS DO NOT WORK OR RESPOND PROPERLY  )
  • Navigation display unit
  • DVD damaged or wrong color
  • Short in the GA-NET Bus
  • Open in the GA-NET Bus
  • A defect in the XM receiver, audio unit, or navigation display unit causing an open or short in the GA-NET Bus
  • 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
  • Harness/fuses/switches
Voice guidance cannot be heard, is broken up, or there is static Symptom Troubleshooting (see GPS ICON IS WHITE OR NOT SHOWN  )
  • Navigation unit
  • DVD damaged or wrong color
  • Navigation settings
  • Audio unit/amplifier
  • 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
  • DVD damaged or wrong color
  • GPS antenna/cable
  • PCM (speed and fuel pulses)
  • Harness/fuses/switches
DVD screen error messages Symptom Troubleshooting (see DVD SCREEN ERROR MESSAGES  )
  • Navigation unit
  • Navigation display unit
  • DVD damaged or wrong color
Navigation system stays on the GPS initialization screen System Initialization (see SYSTEM INITIALIZATION  ) GPS Initialization (see GPS INITIALIZATION  )
  • Navigation unit
  • DVD damaged or wrong color
  • GPS antenna/cable is disconnected or damaged
  • Harness/fuses/switches
Voice control does not work/respond Symptom Troubleshooting (see VOICE CONTROL DOES NOT WORK/RESPOND  )
  • Navigation unit
  • Volume or Voice feedback settings (see Owner's manual for details)
  • DVD damaged or wrong color
  • Microphone/steering buttons
  • Harness/fuses/switches
Time is not correct Reset Time Adjustment in set-up
  • See Owner's manual for adjusting automatic time zone
  • DVD damaged or wrong color
Navigation system will not Map Match Refer to the troubleshooting for Vehicle position icon constantly leaves road, moves erratically, is very far from actual position (see VOICE GUIDANCE CANNOT BE HEARD, IS BROKEN UP, OR THERE IS STATIC  ) GPS antenna/cable is disconnected or damaged
The navigation anti-theft code card is lost or missing See anti-theft feature (see ANTI-THEFT FEATURE  ) GPS antenna/cable is disconnected or damaged
The vehicle icon lags behind when the vehicle turns See self-inertial navigation limitations (see SELF-INERTIAL NAVIGATION LIMITATIONS  )
  • After market accessories connected to the system
  • GPS antenna/cable
Navigation screen is darker than normal or takes time to start up when it is cold See LCD display unit limitations (see LCD DISPLAY UNIT LIMITATIONS  ) Compare to known-good vehicle under the same conditions
The navigation clock is off by 1 to 3 hours after replacing the navigation unit See service precautions (see SERVICE PRECAUTIONS  )
  • Do the map matching (see MAP MATCHING  )
  • Compare to known-good vehicle under the same conditions
  • DVD damaged or wrong color
  • GPS antenna/cable
  • Check and adjust the clock settings
OK cannot be selected at the disclaimer screen and the screen turns black Refer to troubleshooting for Navigation display buttons do not work or respond properly (see NAVIGATION DISPLAY BUTTONS DO NOT WORK OR RESPOND PROPERLY  )
  • Compare to known-good vehicle under the same conditions
  • DVD damaged or wrong color
A new navigation DVD is needed See obtaining a navigation DVD (see OBTAINING A NAVIGATION DVD  )  
System always comes up in in-line diagnostic mode See factory Diagnostic screen "In-Line Diag" (see FACTORY DIAGNOSTIC SCREEN IN LINE DIAG  )
  • Software remedy, do not replace hardware
  • Factory diag mode
  • SCS connected diag connector
Navigation cannot control HVAC by voice command Symptom Troubleshooting (see NAVIGATION CANNOT CONTROL HVAC BY VOICE COMMAND  )
  • Navigation display unit
  • DVD damaged or wrong color
  • Harness/fuses/switches
  • Faulty HVAC system
Display day/night mode does not work Symptom Troubleshooting (see DISPLAY DAY/NIGHT MODE DOES NOT WORK  )
  • Navigation display unit or setting
  • 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
  • DVD damaged or wrong color
Vehicle icon wanders across the map when driving (does not follow a displayed road) or map or vehicle ICON spins Refer to the troubleshooting for vehicle position icon constantly leaves road, moves erratically, is very far from actual position troubleshooting (see VEHICLE POSITION ICON CONSTANTLY LEAVES ROAD, MOVES ERRATICALLY, OR IS VERY FAR FROM ACTUAL POSITION  ) Navigation unit (Yaw rate sensor)
Vehicle icon moves by itself when parked Symptom Troubleshooting (see VEHICLE ICON MOVES BY ITSELF WHEN PARKED  ) Navigation unit
Navigation display stays on with ignition switch OFF Symptom Troubleshooting (see NAVIGATION DISPLAY STAYS ON WITH IGNITION SWITCH OFF  )
  • Harness/fuses/switches
  • Non-OEM assembly
Navigation cannot control audio system Symptom Troubleshooting (see NAVIGATION CANNOT CONTROL AUDIO SYSTEM  )
  • Navigation display unit
  • DVD damaged or wrong color
  • Audio unit
Navigation cannot control XM radio Symptom Troubleshooting (see NAVIGATION CANNOT CONTROL XM RADIO  )
  • Navigation display unit
  • DVD damaged or wrong color
  • Harness
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
  • Low battery
  • Harness/fuses/switches
Rearview camera image does not come on or work properly Symptom Troubleshooting (see REARVIEW CAMERA IMAGE DOES NOT COME ON OR WORK PROPERLY  )
  • Navigation unit
  • Rearview camera
  • No reverse (back-up) signal
  • Harness
The navigation display does not respond and XM cannot be selected on the audio unit Refer to the troubleshooting for Navigation display buttons do not work or respond properly (see NAVIGATION DISPLAY BUTTONS DO NOT WORK OR RESPOND PROPERLY  )
  • Short in the GA-NET Bus
  • Open in the GA-NET Bus
  • A defect in the XM receiver, audio unit, navigation unit or navigation display unit causing an open or short in the GA-NET Bus
Address cannot be found or system gives poor routing
  • See "Answering customer 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 Customer 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 customer 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 customer has not entered a group of locations for Today's Destinations. This is normal. The button is only selectable if the customer is using this function  
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
The DVD is scratched or dirty See "DVD HANDLING AND CLEANING " (see ) Navigation unit
The wrong DVD was installed and now the system does not function properly See "PRECAUTION CUSTOMER SNEAK PREVIEWS " (see )
  • 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 CUSTOMER QUESTIONS ABOUT NAVIGATION COVERAGE " (see ) The DVD is scratched or dirty
A specific city cannot be found See "HOW TO ANSWER CUSTOMER QUESTIONS ABOUT NAVIGATION COVERAGE " (see ) The DVD is scratched or dirty
An In Line Diagnosis screen appears every time vehicle is started See factory diagnostic screen "In Line Diag" (see FACTORY DIAGNOSTIC SCREEN IN LINE DIAG  )  
Navigation unit will not eject or accept the navigation DVD Symptom troubleshooting (see NAVIGATION UNIT WILL NOT EJECT OR ACCEPT THE NAVIGATION DVD  )