Symptom Troubleshooting

Navigation System Symptom Troubleshooting - Navigation frequently asks for anti-theft code and/or needs GPS initialization

Navigation frequently asks for anti-theft code and/or needs GPS initialization

NOTE:

- This is often caused by a loss of battery power, a low or poor battery condition, or a poor ground.
- Make sure that the latest navigation software is installed.
- Check any official Honda service website for more service information about the navigation system.

1. Turn the ignition switch to LOCK (0).

2. Check for poor connections or loose terminals at audio-navigation unit connector A (24P).

Are there connections or terminals OK?

YES -

Go to step 3.

NO -

Repair poor connections or loose terminals, and recheck.

3. Reconnect audio-navigation unit connector A (24P).

4. Turn the ignition switch to ON (II).

5. Measure the voltage between body ground and audio-navigation unit connector A (24P) terminals No. 3 and No. 24 individually.





Is there battery voltage?

YES -

Go to step 6.

NO -

If the +B wire does not have voltage, repair an open in the wire between the No. B15 (20 A) fuse in the under-hood fuse/relay box and the audio-navigation unit. If the ACC wire does not have voltage, repair an open in the wire between the No. C13 (7.5 A) fuse in the driver's under-dash fuse/relay box and the audio-navigation unit.

6. Measure the voltage between audio-navigation unit connector A (24P) terminal No. 1 and body ground.





Is there less than 0.2 V?

YES -

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

NO -

Repair an open or high resistance in the wire between the audio-navigation unit and body ground (G502) Audio Wire Harness.