Navigation System Symptom Troubleshooting - Vehicle icon wanders across the map when driving (does not follow a displayed road) or map or vehicle ICON spins
Vehicle icon wanders across the map when driving (does not follow a displayed road) or map vehicle ICON spins
NOTE:
  • This is not the same condition as when driving off-road (or on a fire or logging road).
  • This condition is caused by a loss of map matching from a bad sensor input. Check for aftermarket or other objects that can block the GPS signal. Always perform Map matching before proceeding with the troubleshooting.
  • Always check for and resolve all CAN DTCs before troubleshooting the navigation system.
  • Verity that the correct navigation unit is installed for this model. Go into the Diagnostic mode and use Version.
  • Make sure that the correct version are installed.
  • Inspect the DVD for dirt or damage.
  • Check any official Honda service website for more service information about the navigation system.
  • Before troubleshooting, make sure you have anti-theft codes for the audio system and the navigation system.
  • After troubleshooting, enter the anti-theft codes for the audio system and the navigation system.
  • Check the DVD for damage or scratches.
  • Check for connectors for poor connections or loose terminals.
  1. Check the GPS icon on the navigation picture.
Is the GPS icon white or missing?
YES -
Do the troubleshooting for GPS icon is white or not shown. ■
NO -
Go to Step 2 .
  1. Go into the Self-Diagnostic mode and use the Yaw Rate diagnostic to check the yaw rate sensor.
Is the yaw rate sensor OK?
YES -
Go to Step 3 .
NO -
Replace the navigation unit. ■
  1. Go into the Diagnostic mode and use the Car Status diagnostic to check the vehicle speed pulse (VSP) and the BACK signals.
Are the vehicle speed pulse and the BACK signals OK?
YES -
The problem may be a characteristic of the system. Check to see if the problem occurs in the same place in a known-good vehicle. If it does, the problem could be in the database. Go to Step 4 .
NO -
  • If the problem is the vehicle speed pulse, troubleshoot the vehicle speed signal circuit. LT BLU wire for open or short. If OK, swap a known-good ECM/PCM. If the problem or symptom goes away, replace the original ECM /PCM.
  • If the BACK signal is indicated ON (I), when in any shift lever position other than reverse, troubleshoot the back-up light switch circuit or MICU (A/T models).■
  1. Substitute a known-good navigation unit and check to see if the problem occurs in the same place.
Does the problem occur in the same place?
YES -
The problem is in the database and should be considered a characteristic of the system. Report the problem according to the Navigation System Owner's Manual under Reporting Errors and look for improvements in future databases.■
NO -
Replace the navigation unit. ■