Electrical Panel Connector (X1) Connections - Yanmar BY Series Service Manual

ELECTRICAL AND ECU
Electrical Panel Components
Figure 12-3
( 2 )
( 1 )
( 3 )
( 13 )
( 14 )
( 15 )
( 16 )
Figure 12-3
1 – Fuse F1 (3 A) - Switched B+ to CAN
2 – Fuse F2 (10 A) - B+ to Key Switch
3 – Fuse F3 (15 A) - Fuel Supply Pump
4 – Fuse F4 (30 A) - Switched B+ to ECU
5 – Fuse F5 (20 A) - Power to Sensors and
Actuators
6 – Fuse F6 (10 A) - Auxiliary Power
7 – Jumper Fuse F7 (3 A) - Single / Port
Selection, default is single / port (fuse in).
Remove fuse for starboard configuration.
8 – Jumper Fuse F8 (3 A) - CAN / Analog
Throttle Selection, default is analog (fuse
out). Insert 3 A fuse to configure for CAN.
9 – K1 - Starter Relay
10 – K3 - Fuel Supply Pump Relay
11 – K2 - Main Power Relay
12 – ECU
13 – Connector X1 - Communication to Helm
Display
14 – Connector X21/1 - Engine Wiring Harness
15 – Connector X22/1 - Fuel Injector Wiring
Harness
16 – Blocking Diode V1
NOTICE: The electrical panel cables must be
connected directly to the battery, and must have a
circuit breaker installed in the B+ (red) lead.
12-8
( 4 )
( 6 )
( 8 )
( 5 )
( 10 )
( 7 )
( 9 )
( 11 )
( 12 )
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© 2009 Yanmar Marine International
Function Description - Engine Management System
Electrical Panel Connector (X1)
Connections
The ECU is connected to other components and
systems via connector X1 (Figure 12-4). The
graphic and table show the pin locations and
assignments.
Figure 12-4
X
W
K
V
L
J
H
B
U
M
C
A
G
N
T
F
D
E
S
O
R Q P
0003304
Figure 12-4
BY Service Manual