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Symptom Troubleshooting Index

WARNING: This page is about a different car, the 2005 Acura TSX and 2004 Acura TSX. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM TROUBLESHOOTING INDEX

Symptom Diagnostic procedure Also check for
Navigation system stays on the GPS initialization screen System Initialization (see GPS INITIALIZATION  )
  • Navigation unit
  • GPS antenna/cable is disconnected or damaged
  • Harness/fuses/switches
No picture is displayed Symptom Troubleshooting (see SYMPTOM TROUBLESHOOTING  ) and system limitations
  • Navigation unit
  • Display unit
  • Harness/fuses/switches
Address cannot be found or system gives poor routing Verify proper operation, using the navigation system manual  
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
  • ECM/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
  • Harness/fuses/switches
Picture has lines or rolls Symptom Troubleshooting (see PICTURE HAS LINES OR ROLLS  )
  • Navigation unit
  • Aftermarket accessories
  • Display unit
  • Harness/fuses/switches
Display unit buttons or touch screen buttons do not work or respond properly Symptom Troubleshooting (see DISPLAY UNIT BUTTONS OR TOUCH SCREEN BUTTONS DO NOT WORK OR RESPOND PROPERLY  )
  • Display 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
  • 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/steering buttons
  • Harness/fuses/switches
DVD screen error messages Symptom Troubleshooting (see DVD SCREEN ERROR MESSAGES  )
  • Navigation unit
  • Display unit
  • DVD
Trip computer-no distance Symptom Troubleshooting (see TRIP COMPUTER-NO DISTANCE  )
  • ECM/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
Navigation cannot control HVAC by voice command Symptom Troubleshooting (see NAVIGATION CANNOT CONTROL HVAC BY VOICE COMMAND  )
  • Display unit
  • Harness/fuses/switches
Display day/night mode does not work Symptom Troubleshooting (see DISPLAY DAY/NIGHT MODE DOES NOT WORK  )
  • Display 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
  • DVD
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
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 STAYS ON WITH IGNITION SWITCH OFF  ) Harness/fuses/switches
Navigation cannot control audio system Symptom Troubleshooting (see NAVIGATION CANNOT CONTROL AUDIO SYSTEM  )
  • Display unit
  • Harness
Navigation cannot control XM radio Symptom Troubleshooting (see NAVIGATION CANNOT CONTROL XM RADIO  )
  • Display unit
  • Audio unit/amplifier
Audio-HVAC subdisplay unit does not work properly Symptom Troubleshooting (see AUDIO-HVAC SUBDISPLAY UNIT DOES NOT WORK PROPERLY  )
  • Navigation unit
  • Subdisplay unit
  • Harness/fuses/switches
Audio-HVAC subdisplay unit does not match time in set-up Make sure H/U Time Send is ON. Go to H/U Time Send under functional set up (see FUNCTIONAL SETUP  )  
Time is not correct Reset Time Adjustment in Set-up.  
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
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   
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 it. After the trip, the previous destinations button will be selectable.  
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.  
The navigation anti-theft code card is lost or missing See anti-theft feature (see ANTI-THEFT FEATURE  ).  
The vehicle icon lags behind when the vehicle turns See self-internal navigation limitations (see SELF-INERTIAL NAVIGATION LIMITATIONS  ).
  • Aftermarket 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  ).  
The navigation clock is off by 1 to 3 hours after replacing the navigation unit See service precautions (see SERVICE PRECAUTIONS  ).
  • Perform map matching (see MAP MATCHING  ).
  • GPS antenna/cable
  • Check and adjust the clock settings
OK cannot be selected at the disclaimer screen and the screen turns black Refer to the troubleshooting for navigation display buttons or touch screen buttons do not work or respond properly (see DISPLAY UNIT BUTTONS OR TOUCH SCREEN BUTTONS DO NOT WORK OR RESPOND PROPERLY  ).  
A new navigation DVD is needed See obtaining a navigation DVD (see OBTAINING A NAVIGATION DVD  ).