Remove and install the PCM. (See PCM REMOVAL/INSTALLATION.)
Pcm inspection
Automatic transaxle removal/installationMazda 6 Service Manual: Distance-to-empty
This displays the approximate distance you can travel on the remaining fuel based
on the fuel economy.
The distance-to-empty will be calculated and displayed every second.
NOTE
Even though the distance-to-empty display may indicate a sufficient amount
of remaining driving distance befor ...
Mazda 6 Service Manual: Service cautions
HANDLING INSUFFICIENT REFRIGERANT LEVEL
If an insufficient refrigerant level is detected at troubleshooting,
do not charge (add) the refrigerant. Because an accurate amount of
refrigerant cannot be determined from the pressure indicated on the manifold
gauge, never charge the refrigeran ...