New Holland 3530 – Engine: NOx Sensor Failure - Short Circuit

The system has detected a short circuit in the NOx sensor, which is responsible for monitoring nitrogen oxide levels in the exhaust. This fault may affect engine performance and emissions control.

1. 1

   The NOx sensor wiring harness

2. 2

   Connections to the NOx sensor

3. 3

   The NOx sensor itself

1. 1

   Inspect

   Check the NOx sensor wiring harness for damage, wear, or signs of a short circuit.

2. 2

   Inspect

   Examine the connections to the NOx sensor for corrosion, looseness, or physical damage.

3. 3

   Test

   Use a multimeter to test for continuity and resistance in the NOx sensor circuit, following the service manual procedures.

4. 4

   Replace

   If a fault is confirmed, replace the NOx sensor as required by the service manual.