New Holland 3713: Lambda Sensor: Open Load Error of the LSU Heater Power Stage

The system has detected an open load error in the power stage of the LSU heater associated with the Lambda sensor. This indicates a problem with the electrical circuit supplying power to the heater.

1. 1

   The wiring and connections to the LSU heater

2. 2

   The power stage circuitry related to the Lambda sensor

1. 1

   Inspect

   Check the wiring and connections to the LSU heater for any signs of damage, corrosion, or disconnection.

2. 2

   Test

   Use a multimeter to test the continuity and resistance of the power stage circuitry related to the Lambda sensor.

3. 3

   Replace

   If a fault is found in the wiring or circuitry, replace the affected component or repair the circuit as needed.