Yanmar 6LY3 series Service Manual page 315

Troubleshooting Fuses, Relays and Harnesses
12/05
Control Panel, 1st Station
Disconnect the 12-pin connector
(Figure 13-2, (1)) above the fuel injection pump.
Check continuity between pins 1 and 3 and ground.
Figure 13-2
(1)
Figure 13-2
1 – 12-Pin Connector
6LY3 Service Manual
12-Pin Connector
Figure 13-3
0006116
No.
1
2
3
4
5
6
7
8
9
10
11
12
© 2007 Yanmar Marine International
TROUBLESHOOTING
6
5
4
3
2
1
Figure 13-3
Connector
Destination
Blank Waterproof plug
Power supply for sub-throttle
5V sensor
sensor
1st station ON 12V energized by ON
Battery 12V 12V always (from the battery)
Emergency stop Emergency stop (Return)
Sub-throttle sig. Sub-throttle voltage
Sensor ground —
Reserved Unused, though there is a line
2nd station ON 12V energized by ON
Main relay Energizing when ECU ON
Start 12V energized by START
Sub-throttle Lamp (LED)
7
8
9
10
11
12
0006310
Remarks
13-25