Massey Ferguson X443 – Massey Ferguson Air Conditioning: Evaporator Temperature Sensor Fault

The evaporator temperature sensor is not functioning correctly, which may affect the operation of the air conditioning system. This fault code indicates an issue with the sensor itself or its connection.

1. 1

   Evaporator temperature sensor

2. 2

   Wiring and connections to the evaporator temperature sensor

1. 1

   Inspect

   Check the evaporator temperature sensor for physical damage or signs of wear.

2. 2

   Inspect

   Examine the wiring and connections to the evaporator temperature sensor for looseness, corrosion, or damage.

3. 3

   Test

   Use a multimeter to test the resistance or signal output of the evaporator temperature sensor, following the service manual guidelines.