Instruction manual

– 26 –
3–2 Explanation of operations
3–2–1 Editing and writing in of ECU data
This is the operation procedure for reading in
data from ECU, editing fuel adjusting Map and
ignition typing map, and writing in ECU.
(1) Startup of YMS
Double click short-cut to YMS on desk top
“YEC FI Matching System.”
(2) Reading in ycz File
File > open First, read in the ycz File of the
applicable model in.
(3) Reading in data from ECU.
Tool>Read from ECU
* At this time, keep power to ECU ON.
Read in is completed when “Complete” is
displayed. Click “OK.”
Double click
"YEC FI Matching System"
Also may click
"YEC FI Matching System"
on the task bar.
Fig. 8: startup of YMS
File > Open
Fig. 9: Reading in of ycz File
Tool > Read from ECU
Fig. 10: Reading in data from ECU