Yanmar 6LY3 series Service Manual page 352

TROUBLESHOOTING
P0522/1 (Oil Pressure Too Low)
DTC P0522/1
Figure 13-32
200 kPa
(29 psi)
Alarm OFF
20 kPa
(2.9 psi)
1000
rpm
Alarm Diagram of Oil Pressure
Figure 13-32
DTC Fault Code
DTC / FMI
1. Key switch ON
2. Oil pressure is below the standard compared to the engine speed
20 kPa @ 1000 rpm (29 psi @ 1000 rpm), 200 kPa @ 3000 rpm (2.9 psi@ 3000 rpm)
P0522/1
3. 0.5 seconds
4. OIL PRESSURE on the TELEFLEX display
Fail Mode
Limited Operation
Fail Release
Remarks
Fault
DTC / FMI
P0522/1
13-62
Oil Pressure Too Low
Alarm ON
3000
rpm
0006297
1. Condition, 2. Judgement, 3. Time to Detect, 4. Display
—
No limited operation
Yes
When the oil pressure goes over the normal value
May damage the engine if kept running with low oil pressure
Oil level
Oil pump
Oil system
Oil filter
Oil pressure sensor
© 2007 Yanmar Marine International
Troubleshooting by DTC Fault Codes
Probable Cause
6LY3 Service Manual
Check Point
Oil system