Case IH ENG145: Coolant Temperature Sensor Voltage Too Low

The voltage from the Coolant Temperature Sensor is below the expected range, which may affect engine performance and temperature monitoring.

1. 1

   Coolant Temperature Sensor

2. 2

   Wiring to the Coolant Temperature Sensor

3. 3

   Controller input for the Coolant Temperature Sensor

1. 1

   Inspect

   Check the Coolant Temperature Sensor for physical damage or corrosion.

2. 2

   Test

   Measure the voltage output of the Coolant Temperature Sensor using a multimeter.

3. 3

   Verify

   Check the wiring and connections between the Coolant Temperature Sensor and the controller for continuity and proper seating.

4. 4

   Consult

   Refer to the service manual for specific voltage thresholds and diagnostic procedures.