Yamaha YZF-R1 Series Service Manual page 505

EAS33369
ECU COUPLER LAYOUT
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25
26 27 28 29 30 31 32 33 34
No. Connected parts
1 Throttle servo motor
2 —
3 —
O sensor 2 (right
2
4
side)
O sensor 1 (left side)
5
2
6 Ignition coil #3
7 Ignition coil #4
8 Ignition coil #1
9 Ignition coil #2
10 Throttle servo motor
11 Intake solenoid
12 —
13 Primary injector #3
14 Primary injector #4
15 Primary injector #1
16 Primary injector #2
17 Ground
Electronic throttle
18
valve fuse
Radiator fan motor re-
19
lay
Air induction system
20
solenoid
21 Secondary injector #3
22 Secondary injector #4
23 Secondary injector #1
24 Secondary injector #2
25 Ground
26 Backup fuse
27 —
35 36 37 38 39 40 41
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76
42 43 44 45 46 47
48 49 50 51 52 53
54 55 56 57 58 59 60
Wire harness
color
Y/R
—
—
P/W
P/B
O/G
Gy/G
O
Gy/R
Lg/R
L/R
—
L/B
O/B
R/B
G/B
B
R/L
G/Y
Br/R
Br/Y
Br/B
W/L
Sb/W
B
R/G
—
9-8
SYSTEM DIAGRAM
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
Pass/LAP switch, dim-
28 mer switch, headlight
control unit
29 Fuel pump relay
Intake funnel servo
30
motor
Intake funnel servo
31
motor
32 Fuel pump relay
33 Ground
34 Ground
Accelerator position
35
sensor
36 —
Throttle position sen-
37
sor
38 —
Steering damper sole-
39
noid
40 —
41 Ignition fuse
Accelerator position
42
sensor
Throttle position sen-
43
sor
44 —
Accelerator position
45
sensor
46 —
47 EXUP servo motor
48 —
Throttle position sen-
49
sor
50 —
Accelerator position
51
sensor
Wire harness
color
Y/B
L/W
Y/L
Sb
R/L
B/W
B/W
L/Y
—
L
—
Y/B
—
R/W
W
W
—
L/G
—
B/R
—
B/G
—
B