Yanmar BY Series Service Manual page 251

ELECTRICAL AND ECU
Figure 12-22
1 – Pin 1 - Ground (ECU pin 1/78)
2 – Pin 2 - Out (ECU pin 1/56)
3 – Pin 3 - 5V (ECU pin 1/30)
Voltage Set-Point Values
Sensor
PWG 1 0.70 - 0.80
PWG 2 0.31 - 0.43
12-24
0004167
Low Idle High Idle
3.65 - 4.10
1.83 - 2.04
Component Tests
BY Service Manual