Yanmar 6LY3 series Service Manual page 331

Troubleshooting by DTC Fault Codes
12/05
Figure 13-17
Check sensor performance
Check ECU output voltage
**Use breakout box
(Disconnect the connector of sensor)
Check sensor conductivity
6LY3 Service Manual
1. [Sensor]
NG
(resistance)
OK
2. [Wire harness]
NG
of harness.
OK
4. [Wire harness]
NG
OK
Replace
ECU or
Replace
sensor
ECU
© 2007 Yanmar Marine International
3. [Wire harness]
Check wire harness open/short
OK
Replace
ECU
Figure 13-17
TROUBLESHOOTING
NG
Replace Replace
wire harness sensor
0006144
13-41