throttle signal input from receiver
~
~
signal output to throttle servo
~
~
fuel trim signal input from receiver
(PWM signal pulse wide range)
communication protocol
④
)
4byte ”8000”~”7FFF”
~
(
~
)
(
~
)
)
②
①
barometric pressure 4byte ”8000”~”7FFF”
~
fuel pressure
~
(
~
)
)
③
intake manifold air pressure
4byte ”8000”~”7FFF”
”8000”~”7FFF”
~
(
~
)
)
intake manifold air pressure
4byte
(the value of negative pressure peak
when engines rotates once)
)
⑥
power supply (ECU internal 5V)
~
(
~
)
intake air temperature
(
)
(
XOR from status to end mark
)
)
)
4byte
⑫
⑬
DATA
4byte ”8000”~”7FFF”
~
(
~
)
⑪
⑤
⑦
⑧
⑨
⑩
℃
℃
power supply (ECU internal 3.3V)
power supply (ECU internal 12V)
”8000”~”7FFF”
~
(
~
)
”8000”~”7FFF”
~
”8000”~”7FFF”
~
(
~
)
cylinder head temperature
”8000”~”7FFF”
~
(
~
)
4byte
4byte
4byte
4byte
4byte
)
)
engine rotation speed
(
~
)
”8000”~”7FFF”
)
4byte ”8000”~”7FFF”
~
(
~
)
)
)
4byte ”8000”~”7FFF”
~
(
~
)
”8000”~”7FFF”
~
(
~
)