Audio-HVAC subdisplay unit does not work properly

WARNING: This page is about a different car, the 2005 Acura TSX and 2004 Acura TSX. However, it is still accessible from the selected car via links, so may be relevant.

Check the clock in the setup menu. Reset if necessary and recheck.
Does the clock reset?

YES -The system is OK at this time.

NO -Go to step 2.
Check for an open or short to body ground between audio-HVAC subdisplay unit 10P connector terminal No. 4, No. 5, No. 6, No. 7 and display unit connector A (10P) terminal No. 4, No. 5, No. 6, No. 7.
Are the circuits OK?

YES -Replace the display unit (see AUDIO-HVAC DISPLAY PANEL REMOVAL/INSTALLATION ).

NO -Repair the circuits.