Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Navigation Module Diagnostic Menu




Pressing the NAVI button on the Diagnosis Menu screen leads to a screen titled NAVI DIAG MENU. This screen has three buttons and each button, when pressed, leads to a submenu. The three buttons are:
^ PROGRAM
^ RGB INFO
^ GPS INFO

These three submenus may be used to test the navigation module (NAV) color signals and GPS information. These submenus are described below.