John Deere A00: Engine Speed Sensor Signal Has Incorrect Pulse Pattern

The Engine Speed Sensor is generating a pulse pattern that does not meet expected specifications. This may affect the proper operation of the engine and related systems.

1. 1

   The Engine Speed Sensor for physical damage or misalignment

2. 2

   The wiring and connections to the Engine Speed Sensor

3. 3

   The signal output from the Engine Speed Sensor using appropriate diagnostic tools

1. 1

   Inspect

   Inspect the Engine Speed Sensor for physical damage, wear, or misalignment.

2. 2

   Check

   Check the wiring and connections to the Engine Speed Sensor for corrosion, looseness, or damage.

3. 3

   Test

   Test the signal output from the Engine Speed Sensor using a diagnostic tool or oscilloscope to verify the pulse pattern.