Symptom Troubleshooting
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:
- Check the vehicle battery condition first.
- 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 How to Troubleshoot the Navigation System (With Navigation) before proceeding with the troubleshooting.
- Always check for and resolve all CAN DTCs before troubleshooting the navigation system.
- Verify that the correct audio-navigation unit is installed for this model. Go into the Diagnostic mode, and use Version. Navigation System Diagnostic Mode (With Navigation)
- Check for aftermarket metallic window tinting.
- Check any official Honda service web site for more service information about the navigation system.
- Before troubleshooting, make sure you have the anti-theft codes for the navigation system.
- After troubleshooting, enter the anti-theft codes for the navigation system.
- Check the connectors for poor connections or loose terminals.
1. Check the GPS icon on the navigation screen.
Is the GPS icon white or missing?
YES - Do the troubleshooting for GPS icon is white or not shown. Symptom Troubleshooting
NO - Go to step 2.
2. Go into the Self-Diagnostic mode, and use the Yaw sensor diagnostic Navigation System Diagnostic Mode (With Navigation) to check the yaw rate sensor.
Is the yaw rate sensor OK?
YES - Go to step 3.
NO - Replace the audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)
3. Go into the Diagnostic mode, and use the Car Status diagnostic Navigation System Diagnostic Mode (With Navigation) to check the vehicle speed pulse (VSP) and the BACK signals.
Are the vehicle speed pulse and the BACK signals OK?
YES - The symptom may be a characteristic of the system. Check to see if the symptom 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. BLU wire for open or short. If OK, swap a known-good PCM. If the problem or symptom goes away, update the PCM, PCM Update if it does not have the latest software or substitute a known-good PCM. PCM Replacement
- If the BACK signal is indicated ON (1), when in any shift lever position other than reverse, troubleshoot the back-up light switch circuit.
4. Substitute a known-good audio-navigation unit (including the HDD), Audio-Navigation Unit Removal/Installation (With Navigation) and check to see if the problem occurs in the same location.
Does the problem occur in the same location?
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 audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)