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 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.
- Check for poor connections or loose terminals at audio-navigation unit connector A (24P).
Is the connection OK?
YES - Repair poor connections or loose terminals, and recheck. ■
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 Body Ground And Audio-Navigation Unit Connector A (24P) Terminals No. 14 And No. 24 Individually
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 an open in the wire between the under-hood fuse/relay box and audio-navigation unit. If the ACC wire does not have voltage, repair an open in the wire between the driver's under-dash fuse/relay box and audio-navigation unit. ■
- 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 0.2 V?
YES - Replace the audio-navigation unit . ■
NO - Repair an open or high resistance in the wire between audio-navigation unit and body ground (G502) (see CONNECTOR TO FUSE/RELAY BOX INDEX ). ■