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 or vehicle ICON spins
NOTE:
- Check the vehicle battery condition first. Testing and Inspection
- Check for connectors for poor connections or loose terminals.
- 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 Reading and Clearing Diagnostic Trouble Codes 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 System Diagnostic Mode, and use Version. Navigation System Diagnostic Mode
- Make sure that the correct DVD color and version are installed.
- Check for aftermarket metallic window tinting.
- 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 the anti-theft codes for the navigation system.
- After troubleshooting, enter the anti-theft codes for the navigation system.
- Check the DVD for damage or scratches.
1. Check the GPS icon on the navigation screen.
Is the GPS icon white or missing?
YES - Do the GPS icon is white or not shown. Symptom Troubleshooting
NO - Go to step 2.
2. Go into the System Diagnostic Mode, and use the Yaw Rate diagnosis Navigation System Diagnostic Mode 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 System Diagnostic Mode, and use the Car Status diagnosis Navigation System Diagnostic Mode 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 pulse circuit. BLU wire for an open or a short. If OK, update the ECM/PCM; R18A1 engine, ECM/PCM Update K20Z3 engine ECM/PCM Update if it does not have the latest software, or substitute a known-good ECM/PCM; R18A1 engine, Reading and Clearing Diagnostic Trouble Codes K20Z3 engine. Reading and Clearing Diagnostic Trouble Codes
- If the BACK signal is indicated ON (1), when in any shift lever position other than reverse, troubleshoot the back-up light switch circuit or MICU.
4. Substitute a known-good audio-navigation unit, Audio-Navigation Unit Removal/Installation (With Navigation) 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 under Reporting Errors and look for improvements in future databases.
NO - Replace the audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)