Engine Rotational Speed; P0219/0: Over Speed Error - Yanmar 3TNV82A Troubleshooting Manual

FAILURE DIAGNOSIS

Engine rotational speed

(1) P0219/0: Over speed error

DTC P0219/0
DTC Detecting Conditions
1 - Precondition; 2 - Detecting condition(s); 3 - Flashing pattern of failure indicator
1. Engine running.
2. Sensor signal at or above the upper limit (High idle speed +600[min
3. Two flashes followed by five flashes.
Movement at Error occurrence
Error Mode [Stop Immediately]: The engine stops running.
Run restricted? Yes: The rack actuator relay is turned OFF, and the rack position is forcibly set to the
Recovery No.
Conditions
Remarks
Estimation of Failure cause/Error condition
• Wiring defect of the harness
The rack actuator wiring may be short-circuited with GND.
•
• False generation of speed sensor signal pulse
False wiring of the speed sensor
•
• Engine over speed loaded by the operating machine's drive
• Control error of the fuel injection pump
The rack actuator wiring may be short-circuited with GND.
•
• The E-ECU internal circuitry may be faulty.
1-64
DTCs (Diagnostic Trouble Codes) General Description
engine stop position.
Overspeed Error
TNV DI Service Manual
Check points
Harness
-1
]). Speed Sensor
Rack actuator
E-ECU