Yanmar BY Series Service Manual page 239

ELECTRICAL AND ECU
Engine Control Unit (ECU) Assignments
(3) ( 4 ) ( 5 )
F2 F1 F6
X1/B
X1/H
(48)
(44)
X1/G
(47)
X1/D
(46)
(45)
(16)
(41)
(40)
X1/W X1/V
p
(39) (38)
KL87
12-12
(6)
X1/C
KL50
(49)
ϑ
ϑ
p
(43)
(42)
X1/L
(37)
X1/N
X1/O
(36)
X1/K
X1/P
X1/M
(35)
ϑ
(34)
p
(33)
(32)
X1/E
(31)
(30)
(29)
Function Description - Engine Management System
F4
KL15 KL87
201 203 205
(211, 224) 207
182 234
157
132
(1)
232
154
107
106 220
180
139
187
(2)
115
162
124
114
243
245
252
BOSCH
256
EDC16
172
DDE 5
239
229
171
230
183
130
149
(50) 173
156
151
111
175
178
103
211
127
150
251
(51)
174
102
238
126
101
250
125
208
202 204 206 233 246
KL31
X1/A X1/U
(28)
X1/S X1/T
Figure 12-5
B+
(10)
(8) (9)
(7)
F3 F5
(12)
(11)
K1
(13)
K2
(15)
(14)
K3
(16)
(17)
X1/H
(18)
X1/F
(19)
DRV
(20)
ZME
(21)
(22)
(23)
(24)
(25)
(26)
(27)
0003303
BY Service Manual