Symptom Troubleshooting

Navigation System Symptom Troubleshooting - Vehicle position icon constantly leaves road, moves erratically, or is displayed very far from actual vehicle position

Vehicle position icon constantly leaves road, moves erratically, or is displayed very far from actual vehicle position

NOTE:

- Check the vehicle battery condition first Battery Test.
- Check that the GPS antenna is plugged in.
- 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 metallic window tinting or other objects that can block the GPS signal. Always do the Map matching before proceeding with the troubleshooting.
- Make sure that the correct DVD color and version are installed.
- Inspect the DVD for dirt or damage.
- Check any official Honda service website for more service information about the navigation system.
- Check the GPS signal reception in an open area.

1. Check the GPS icon on the navigation screen.

Is the GPS icon white?

YES -

Do the troubleshooting for GPS icon is white or not shown GPS Icon Is White Or Not Shown (With Navigation).�

NO -

Go to step 2.

2. Go into the Self-Diagnosis Mode, and do the Yaw Rate test 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.�

3. Go into the Self-Diagnosis Mode, and use the Car Status test to check the vehicle speed pulse.

Is the vehicle speed pulse OK?

YES -

The condition may be normal. Check to see if the condition 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 -

Check for an open in the VSP wire between the audio-navigation unit and the ECM/PCM. If the wire is OK, substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and retest. If the problem goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation. If the problem does not go away, replace the ECM/PCM Service and Repair.�

4. Substitute a known-good audio-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. Report the problem according to the Navigation System Manual under Reporting Errors.�

NO -

Replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�