Back Light, LCD, Switch Light Check

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

Turn the combination light switch ON.

Turn on the LCD back light.
Turn on all LCD segments.
Brings screen to full bright (with navigation).

If the display panel control unit fails to complete any of the functions of the self-diagnostic function, go to the display panel control unit input test (see DISPLAY PANEL CONTROL UNIT INPUT TEST ).