Navigation frequently needs GPS initialization
NOTE:
- Check the vehicle battery condition first BATTERY TEST
- Check any official Honda service website for more service information about the navigation system.
- Check the connectors for poor connections or loose terminals.
- Check if the CSF (GPS Initialization) screen is displayed every time the ignition switch is turned to ON (II).
Is CSF screen displayed every time?
YES -The failure is duplicated, go to step 2.
NO -Intermittent failure, the system is OK at this time.
- Measure the voltage between audio-navigation unit connector A (24P) terminal No. 12 and body ground, and audio-navigation connector D (20P) terminal No. 11 and body ground.Fig 1: Measuring Voltage Between Audio-Navigation Unit Connector A (24P) Terminal No. 12 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there less than 0.2 V on all terminals?
YES -Go to step 3.
NO -Repair an open or high resistance in the wire between the audio-navigation unit and body ground (G503).
- Check for the hard error code (see HOW TO CHECK ERROR HISTORY (NAVIGATION DTCS)
).
Are there any navigation DTCs indicated?
YES -Go to indicated DTC'S TROUBLESHOOTING
NO -Replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).