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 latest navigation software is installed.

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

1. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

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), or press the engine start/stop button to select the ON mode.

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-hood 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 A (24P) terminal No. 12 and body ground.

Is there less than 0.2 V?
YES - Replace the audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)

NO - Repair open or high resistance in the wire between audio-navigation unit connector A (24P) and body ground (G502). Audio Wire Harness Connector And Harness Locations