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.
- Check any official Honda service website for more information about the navigation system.

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

2. Measure the voltage between body ground and audio-navigation unit connector A (24P) terminal No. 14 and No. 24, and audio-navigation unit connector D (20P) terminal No. 1 individually.









Is there battery voltage in either terminal?

YES -

Go to step 3.

NO -

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

3. Measure the voltage between body ground and audio-navigation unit connector A (24P) terminal No. 12, and audio-navigation unit connector D (20P) terminal No. 11 individually.









Is there less than 0.2 V in either terminal?

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 (G503).