Ecm Coupler Layout - Yamaha GX1800A Service Manual

ECM 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
No. Connecting part
1 Knock sensor
2 —
3 Cam position sensor
4 —
Slant detection
5
switch
6 —
7 Battery power source
8 Pickup coil
9 —
10 —
11 —
12 —
13 Thermo sensor
Main relay drive
14
signal
Intake air tempera-
15
ture sensor
Intake air pressure
16
sensor
17 Steering sensor
18 Reverse sensor
19 —
1 2 3 4 5 6 7 27 28 29 30 31 32 33
8 9 10 11 12 13 34 35 36 37 38 39
14 15 16 17 18 19 40 41 42 43 44 45
20 21 22 23 24 25 26 46 47 48 49 50 51 52
27 28 29 30 31 32 33
34 35 36 37 38 39
40 41 42 43 44 45
46 47 48 49 50 51 52
Color
Green
—
Green/
Orange
—
Blue/Black
—
Red/Yellow
White/Black
—
—
—
—
Black/Blue
Yellow/White
Black/Red
Pink/Green
White/Blue
Green/White
—
8
53 54 55 56 57 58 59 60 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
53 54 55 56 57 58 59 60 61
62 63 64 65 66 67
70 71 72 73 74 75
78 79 80 81 82 83 84 85 86
No. Connecting part
Main and fuel pump
20
relay (main relay)
21 Engine start switch
22 —
Engine temperature
23
sensor
24 —
Steering sensor
25
power source
26 Sensor power source
27 Battery power source
28 —
29 —
30 —
31 —
32 —
33 —
34 APS 1 ground
35 APS 2 ground
36 APS 1
37 APS 2
Immobilizer serial
38
communication
Technical tips
68 69
76 77
Color
Yellow/Green
Yellow
—
Black/Yellow
—
Orange/Red
Orange
Red/Yellow
—
—
—
—
—
—
Black/Red
Black/White
Pink/Red
Pink/White
White