Navigation frequently asks for anti-theft code and needs GPS initialization
WARNING: This page is about a different car, the 2008 Acura TSX, 2007 Acura TSX, and 2006 Acura TSX. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Always 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.
- Check No. 7 (10 A) and No. 32 (7.5 A) fuses in the under-dash fuse/relay box.
Are the fuses OK?
YES - Go to step 2.
NO - Replace the blown fuse(s) and recheck.
- Turn the ignition switch ON (II).
- Measure the voltage between body ground and navigation unit connector C (8P) terminals No. 1 and No. 2 individually.Fig 1: Measuring Voltage Between Body Ground And Navigation Unit Connector C (8P) Terminals No. 1 And No. 2
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES - Go to step 4.
NO - If the +B wire does not have voltage, repair open in the wire between the under-dash 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.
- Turn the ignition switch to LOCK (0).
- Disconnect the navigation unit connector C (8P).
- Check for continuity between navigation unit connector C (8P) terminal No. 4 and body ground.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES - Replace the navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION ).
NO - Repair open in the wire between the navigation unit and body ground (G604).