Engine; P1214/2: Engine Trouble - Yanmar 3TNV82A Troubleshooting Manual

FAILURE DIAGNOSIS

Engine

(1) P1214/2: Engine Trouble

DTC P1214/2
DTC Detecting Conditions
1 - Precondition; 2 - Detecting condition(s); 3 - Flashing pattern of failure indicator
1. Key switch ON.
2. (1) Engine stall during a rack position sensor error
(2) Unexpected engine speed rise is detected other than acceleration.
3. Eight 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 POWER SUPPLY.
•
The rack actuator wiring may be short-circuited with GND.
•
• 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.
•
1-120
DTCs (Diagnostic Trouble Codes) General Description
engine stop position.
Engine Trouble
TNV DI Service Manual
Check points
Harness
Rack actuator