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. Turn the ignition switch to LOCK (0).

2. Disconnect navigation unit connector C (8P), 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 navigation unit connector C (8P) terminals No. 1 and No. 2 individually.

Is there battery voltage?
YES - Go to step 5.

NO - If the +B wire does not have voltage, repair an open in the wire between the under-hood fuse/relay box and the navigation unit. If the ACC wire does not have voltage, repair open in the wire between the under-dash fuse/relay box and the navigation unit.






5. Measure the voltage between navigation unit connector C (8P) terminal No. 4 and body ground.

Is there 0.2 V or less?
YES - Replace the navigation unit. Service and Repair

NO - Repair open or high resistance in the wire between the navigation unit and body ground (G504) Dashboard Wire Harness (View of Middle Section) Connector and Harness Locations.