Symptom Troubleshooting

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

Is there battery voltage?
YES - Go to step 2.

NO - Repair open in the wire between the under-dash fuse/relay box and the navigation unit.






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

3. Measure the voltage between navigation unit connector A (24P) terminal No. 14 and body ground.

Is there battery voltage?
YES - Go to step 4.

NO - Repair open in the wire between the under-dash fuse/relay box and the navigation unit.






4. Measure the voltage between navigation unit connector A (24P) terminal No. 12 and body ground, and between navigation unit connector C (8P) terminal No. 4 and body ground.

Is there less than 0.1 V?
YES - Replace the navigation unit. Service and Repair

NO - Repair open in the wire between the navigation unit and body ground (G504 and/or G505).