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 correct DVD color and version are installed.
- Check any official Honda service website for more service information about the navigation system.

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

2. Disconnect audio-navigation unit connector A (24P), and check for loose terminals.

Are any of the terminals loose?

YES -

Repair or replace the loose terminal(s).�

NO -

Go to step 3.

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

4. Measure the voltage between body ground and audio-navigation unit connector A (24P) terminals No. 14 and No. 24 individually.





Is there battery voltage?

YES -

Go to step 5.

NO -

If the +B wire does not have voltage, repair open in the wire between the under-dash fuse/relay box and audio-navigation unit connector A (24P). If the ACC wire does not have voltage, repair open in the wire between the driver's under-dash fuse/relay box and audio-navigation unit connector A (24P).�

5. Measure the voltage between audio-navigation unit connector C (8P) terminal No. 1 and body ground.





Is there battery voltage?

YES -

Go to step 6.

NO -

Repair open or high resistance in the wire between audio-navigation unit connector C (8P) and the under-dash fuse/relay box.�

6. Measure the voltage between audio-navigation unit connector A (24P) terminals No. 12 and body ground, between audio-navigation unit connector B (24P) terminal No. 17 and body ground, and between audio-navigation unit connector C (8P) terminal No. 4 and body ground.













Is there less than 0.2 V on all terminals?

YES -

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

NO -

Repair open or high resistance in the wire between audio-navigation unit connector A (24P) terminal No. 12 or audio-navigation unit connector B (24P) terminal No. 17 and body ground (G503 and G502), or audio-navigation connector C (8P) and body ground (G503).�