New Holland 4146: Short Circuit to Ground at Engine Speed Sensor

A short circuit to ground has been detected at the engine speed sensor. This fault may cause improper operation of the engine speed monitoring system, potentially affecting engine performance and diagnostic capabilities.

1. 1

   Engine speed sensor wiring

2. 2

   Engine speed sensor connector

3. 3

   Circuit integrity between engine speed sensor and controller

1. 1

   Inspect

   Inspect the wiring and connector of the engine speed sensor for damage, corrosion, or loose connections.

2. 2

   Test

   Test the circuit between the engine speed sensor and the controller for continuity and resistance using a multimeter.

3. 3

   Repair

   Repair or replace any damaged wiring, connectors, or components identified during inspection and testing.