FixVault

Check Code 14

WARNING: This page is about a different car, the 2007 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
CHECK CODE 14

Check code 14 Buzzer operation signal
INSPECTION CONDITION DISPLAY ACTION
After selecting check code 14, wait approx. 2 s. 
G04323852Courtesy of MAZDA MOTORS CORP.
The buzzer sounds. The buzzer is normal.
The buzzer does not sound. Replace the instrument cluster.