SPRING 1733442 - Caterpillar

Illustration 4 g03665275
Location of the position sensor for the angle of the machine articulation
The view is from the left side of machine and the covers are removed.
(3) Articulation angle sensor 1
(4) Articulation angle sensor 2
(2) Mechanical linkage Two articulation angle signals are required for correct operation of the articulation of the machine. Either the two separate sensors or the dual output sensor will provide a PWM input signal to the Implement ECM and the Transmission/Chassis ECM. This diagnostic code is associated with the machine "articulation angle sensor signal 1" connected to each ECM at J2-41. The FMI 14 diagnostic code is recorded when the ECM determines that the signal from the sensor does not match the signal from machine "articulation angle sensor 2".The sensor is a PWM sensor that operates at a frequency of approximately 500 Hz. When the machine is in the neutral position, the duty cycle input from the sensor to the ECM is approximately 51% for the model 16M, approximately 54% for the model 14M and approximately 55% for all other models. When the machine is articulated to the full left position, the duty cycle will be approximately 29% for the model 14M and approximately 33% for all other models. When the machine is articulated to the full right position, the duty cycle will be approximately 75% for the model 16M, approximately 79% for the model 14M and approximately 74% for all other models.The possible causes of this diagnostic code are listed below:
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