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《communication specification》
・
CAN
・
Pin assignment (ECU side connector)
1
2
3
4
connector : JST SMR-04V-BC
《
data format
》
・
Data frame
・DATA
・
The internal data of the ECU can be collected by other external devices through its CAN
communication function. The communication protocal would show as followings.
red
+5V power supply output
Signal(High)
Signal(Low)
GND
white
green
black
communication protocol
Recessive(1)
SOF ID10
~
0bit (11bits) RTR
IDE
RB0 DLC3 DLC2 DLC1 DLC0
Dominant(0)
ID
0
0
0
DATA LENGTH
Control Field
DATA0
~
7(MSB) MAX 8byte CRC14~0bit (15bits)
CRC
DEL
ACK
ACK
DEL
EOF
IFS
DATA Field
CRC Field
NAME
ID
DATA
LENGTH
DATA 0
~
7
DATA RANGE
0
~
5
6
~
7
769
0x0301
8
0x000000000000
DATA
Negative pressure
(
hPa
)
770
0x0302
Pressure (hPa
)
768
0x0300
8
0x000000000000
DATA
8
0x000000000000
DATA
Negative pressure peak
(
hPa
)
771
0x0303
8
0x000000000000
DATA
8
0x000000000000
DATA
Head temperature
(℃)
775
0x0307
8
0x000000000000
DATA
12V voltage
(
mV
)
774
0x0306
Throttle signal input
(%)
777
0x0309
8
0x000000000000
DATA
Intake port temperature
(℃)
776
0x0308
8
0x000000000000
DATA
Trim signal Width
(
μs
)
779
0x030B
8
0x000000000000
DATA
Throttle signal output
(%)
778
0x030A
8
0x000000000000
DATA
21
Rotation speed
(
rpm
)
780
0x030C
8
0x000000000000
DATA
5V voltage
(
mV
)
773
0x0305
8
0x000000000000
DATA
3.3V voltage
(
mV
)
772
0x0304
8
0x000000000000
DATA
0x8000 (-32768)
~
0x7FFF (32767)
Fuel pressure
(
kPa
)
1
4
Содержание EC-11
Страница 25: ...unit mm dimension 24 ...
Страница 28: ...MEMO 27 ...