New Holland 293 – ENGINE: Hydraulic Fan Hydraulic Oil Temperature Sensor Voltage is Too High

The voltage from the hydraulic fan hydraulic oil temperature sensor is exceeding the expected range, which may indicate a fault in the sensor or its associated circuit.

1. 1

   The hydraulic oil temperature sensor

2. 2

   The wiring and connections to the sensor

3. 3

   The control module receiving the sensor signal

1. 1

   Inspect

   Inspect the hydraulic oil temperature sensor for physical damage or signs of overheating.

2. 2

   Test

   Test the voltage output of the hydraulic oil temperature sensor using a multimeter to confirm if it is indeed too high.

3. 3

   Check

   Check the wiring and connections between the hydraulic oil temperature sensor and the control module for corrosion, looseness, or damage.

4. 4

   Verify

   Verify the signal integrity from the hydraulic oil temperature sensor to the control module using a diagnostic tool.