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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 latest navigation software is installed.
- Check any official Honda service website for more service information about the navigation system.
- Check the GPS signal reception in an open area.
- Check for and resolve all CAN DTCs before troubleshooting the navigation system.

1. Check the GPS icon on the navigation screen.

Is the GPS icon white?

YES -

Go to troubleshooting for GPS icon is white or not shown Symptom Troubleshooting.�

NO -

Go to step 2.

2. Go into the Self-Diagnosis Mode, and use the Yaw sensor test to check the yaw rate sensor.

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

Are the yaw rate sensor and 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 -

If the problem is the yaw rate sensor, replace the audio-navigation unit Audio-Navigation Unit Removal/Installation. If the problem is the vehicle speed pulse, do the troubleshooting for DTC 1306: Vehicle Speed Pulse 1306.�

4. Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation, 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.�