The ECON button turns the ECON mode on and off.
The ECON mode helps you improve your fuel economy by adjusting the performance of the engine, transmission, heating system*/climate control system*, and cruise control*.
Honda Civic Service Manual. A/C System Contamination Inspection (Except K24Z7)
Inspection
1.
A/C System - Contamination Inspection
1.
If A/C compressor failure is diagnosed, always use this inspection to
check the extent of contamination in the A/C system.
2.
Remove the discharge hose ( ...