Yamaha MT-09 2021 - Ecu Coupler Layout

9-8
SYSTEM DIAGRAM
EAS33369
ECU COUPLER LAYOUT
35 36 37 38 39 40 41
54 55 56 57 58 59 60
42 43 44 45 46
47
48 49 50 51 52
53
123456789
26 27 28 29 30 31 32 33 34
10 11 12 13 14 15 16
17
18 19 20 21 22 23 24 25
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76
77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92
93 94 95 96 97 98 99
100101102103104105106107108
No. Connected parts
Wire harness
color
1 Throttle servo motor Y/R
2— —
3— —
4— —
5
O
2
sensor
P/B
6— —
7 Ignition coil #3 O/G
8 Ignition coil #2 Gy/R
9 Ignition coil #1 O
10 Throttle servo motor Lg/R
11 — —
12 — —
13 — —
14 Injector #3 L/B
15 Injector #2 G/B
16 Injector #1 R/B
17 Ground B
18
Electronic throttle
valve fuse
R/L
19
Radiator fan motor
relay
G/Y
20 — —
21 — —
22 — —
23 — —
24 — —
25 Ground B
26 Backup fuse 2 R/G
27
Purge cut valve so-
lenoid
Y/R
28
Dimmer/pass
switch, Headlight
control unit
Y/B
29 Fuel pump relay L/W
30 — —
31 — —
32
Fuel pump relay,
Fuel pump
R/L
33 Ground B/W
34 Ground B/W
35
Accelerator position
sensor
W/R
36
ABS ECU (Electron-
ic Control Unit)
G
37
Throttle position
sensor
L
38 — —
39 — —
40
Grip warmer (left),
Grip warmer (right)
Br/Y
41 Ignition fuse 2 R/W
42
Accelerator position
sensor
Y
43
Throttle position
sensor
W
44 — —
45
Accelerator position
sensor
Y/R
46 — —
47 — —
48 — —
49
Throttle position
sensor
B/L
No. Connected parts
Wire harness
color