Honda HR-V Owners & Service Manuals

Honda HR-V: Navigation System Symptom Troubleshooting - Vehicle Position Icon Wanders Across The Map When Driving (Does Not Follow A Displayed Road) Or Map Vehicle Icon Spins

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Audio Visual Systems - Testing & Troubleshooting / Symptom Troubleshooting / Navigation System Symptom Troubleshooting - Vehicle Position Icon Wanders Across The Map When Driving (Does Not Follow A Displayed Road) Or Map Vehicle Icon Spins

NOTE:

  • Check the vehicle 12 volt 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 do the Map Matching before proceeding with the troubleshooting.
  • Check the connectors for poor connections or loose terminals.

1. Problem verification.

Test-drive the vehicle in an open area, and check if the vehicle position icon displays the actual vehicle position.

NOTE: Make sure that a known-good vehicle's navigation can follow the displayed map in the test area.

Does the vehicle position icon wanders across the map?

YES

The failure is duplicated, go to step 2.

NO

Intermittent failure, the system is OK at this time.

2. DTC check.

Check for hard error codes.

Are there any navigation DTCs indicated?

YES

Go to indicated DTC's troubleshooting.

NO

Go to step 3.

3. Determine possible failure area (audio-navigation unit, BACK LT line):

  1. Go into the System Diagnostic Mode, and use the Vehicle Status diagnosis to check the BACK signal.
  2. Shift the transmission to R position/mode.

Does the BACK signal change from [0] to [1] when the transmission is shifted from P position/mode to R position/mode?

YES

Go to step 4.

NO

Go to step 5.

4. Audio-navigation unit check (substitution):

  1. Shift the transmission to P position/mode.
  2. Turn the vehicle to the OFF (LOCK) mode.
  3. Substitute a known-good audio-navigation unit, and check to see if the problem occurs in the same location.

Does the problem occur in the same location each time?

YES

Try to replicate the problem in a known-good vehicle (same model, year, and trim). If the problem can be duplicated, the problem is in the map database. Report the problem according to the Navigation System Manual under Reporting Errors.

NO

Replace the original audio-navigation unit.

5. Open wire check (BACK LT line):

  1. Shift the transmission to P position/mode.
  2. Turn the vehicle to the OFF (LOCK) mode.
  3. Disconnect the following connector.

Audio-navigation unit connector C (24P)

  1. Turn the vehicle to the ON mode.
  2. Shift the transmission to R position/mode.
  3. Measure the voltage between test points 1 and 2.

Audio Visual Systems - Testing & Troubleshooting

Is there battery voltage?

YES

Replace the audio-navigation unit.

NO

Repair an open in the wire between the audio-navigation unit and the under-dash fuse/relay box.

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