P0119/2: Intermittent Failure With Cooling Water Temperature Sensor - Yanmar 3TNV82A Troubleshooting Manual

DTCs (Diagnostic Trouble Codes) General Description

(3) P0119/2: Intermittent Failure with Cooling Water Temperature Sensor

DTC P0119/2
DTC Detecting Conditions
1 - Precondition; 2 - Detecting condition(s);
3 - Flashing pattern of failure indicator
1. Engine running.
2. Unconfirmed error detected 10 times.
3: Does not flash.
Movement at Error occurrence
Error Mode [Run As Is]:
After detecting the error, the system lets the engine continue to run without any
restrictions.
Run restricted? No.
Recovery No.
Conditions
Remarks
Estimation of Failure cause/Error condition
• The connector may not be properly connected.
• Wiring defect of the harness
The cooling water temperature sensor's signal wires may be short-circuited with GND.
•
The cooling water temperature sensor's signal wires may be disconnected or short-circuited with
•
POWER SUPPLY.
GND wire of the cooling water temperature sensor may be disconnected.
•
• The cooling water temperature sensor may be faulty.
Signal wire in the sensor may be disconnected, or short circuited.
•
Sensor GND wire in the sensor may be disconnected.
•
TNV DI Service Manual
Intermittent Failure with Cooling Water Temperature
Sensor
Connector
Harness
High-accuracy cooling water
temperature sensor
E-ECU
FAILURE DIAGNOSIS
Check points
1-49