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:

- Check the vehicle battery condition first Battery Test.
- This is often caused by a loss of battery power or a poor ground.
- Make sure that the correct navigation DVD color and version are installed.
- Before troubleshooting, make sure you have the anti-theft codes for the audio system and the navigation system.
- After troubleshooting, enter the anti-theft codes for the audio system and the navigation system.
- Check any official Honda service website for more service information about the navigation system.

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

2. Measure the voltage between body ground and navigation unit connector A (8P) terminals No. 3 and No. 4 individually.





Is there battery voltage?

YES -

Go to step 3.

NO -

If the+B wire does not have voltage, repair an open in the wire between the No. A15 (10 A) fuse in the under-hood fuse/relay box and the navigation unit. If the ACC wire does not have voltage, repair an open in the wire between the No. B18 (7.5 A) fuse in the driver's under-dash fuse/relay box and the navigation unit.

3. Measure the voltage between navigation unit connector A (8P) terminal No. 1 and body ground.





Is there less than 0.2 V?

YES -

Replace the navigation unit Service and Repair.

NO -

Repair an open or high resistance in the wire between the navigation unit and body ground (G701).