Navigation Frequently Asks For Anti-Theft Code And/Or Needs GPS Initialization

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

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 website for more service information about the navigation system

Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode
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
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
Measure the voltage between body ground and audio-navigation unit connector A (24P) terminals No 14 and No 24 individually

Fig 1: Measuring Voltage Between Audio-Navigation Unit Connector A (24P) Terminals No 14 And No 24 Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

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)
Measure the voltage between audio-navigation unit connector A (24P) terminal No 12 and body ground

Fig 2: Measuring Voltage Between Audio-Navigation Unit Connector A (24P) Terminal No 12 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there less than 0.2V?

YES -Replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION )

NO -Repair open or high resistance in the wire between audio-navigation unit connector A (24P) and body ground (G502) (see AUDIO WIRE HARNESS )