John Deere 636..............: Engine Position Sensor Signal Missing

The system has detected that the signal from the Engine Position Sensor is not being received. This may affect the proper operation of the engine and its control systems.

1. 1

   The connection and wiring of the Engine Position Sensor

2. 2

   The integrity of the signal path from the Engine Position Sensor to the controller

3. 3

   The functionality of the Engine Position Sensor itself

1. 1

   Inspect

   Check the physical connections and wiring of the Engine Position Sensor for damage, corrosion, or loose contacts.

2. 2

   Test

   Use a diagnostic tool to verify if the Engine Position Sensor is generating a signal.

3. 3

   Replace

   If the sensor is not functioning properly, replace it with a compatible unit.