Yanmar 6LY3 series Service Manual page 340

TROUBLESHOOTING
P0219/0 (Engine Over Rev.)
DTC
DTC Fault Code
DTC / FMI
1. Engine running
2. Engine speed of the cam or crank exceeds 3900 rpm.
P0219/0
3. —
4. OVER REV on the TELEFLEX display
Fail Mode
Limited Operation
Fail Release
Remarks
Fault
DTC / FMI
P0219/0
Troubleshooting Procedure
1. Check if there is / are any other DTC detected
such as RACK POSITION SENSOR or RACK
ACTUATOR related DTC.
If there is / are, repair the DTC first.
2. Check if the DTC is detected by actual
over-revolution faults.
If it was not over the revolution check the speed
sensor. (Look for contaminants on the sensor
core, connector, wire harness, etc.)
13-50
P0219/0
1. Condition, 2. Fault, 3. Time to Detect, 4. Display
Rack needs to be set at stop position.
Break rack actuator relay
Engine stop
No
Require key off to reset fail mode
1. Speed sensor (crank or cam)
• wire harness
• contaminants on the sensor core
2. Rack position sensor
3. Rack actuator performance
4. Fuel injection pump
5. Injector
6. Fuel system
© 2007 Yanmar Marine International
Troubleshooting by DTC Fault Codes
Engine Over Revolutions
Probable Cause
3. Check the fuel injection pump.
4. Check the injection nozzle and fuel line.
5. Check the fuel injection pump lag (rack actuator
performance).
If lag results in fault, replace the fuel injection
pump (including position sensor amplifier).
6LY3 Service Manual
Check Point
Injector
FIP
Crank / cam speed sensor
Pulsar (gear)
Wire harness