New Holland 75 – TRANS: Mismatch Between Engine Speed From Inst Controller and Alternator Signal

The engine speed reported by the Inst Controller does not match the speed signal received from the alternator. This discrepancy may affect the proper operation of the machine's systems that rely on accurate engine speed data.

1. 1

   The connection between the Inst Controller and the engine speed sensor

2. 2

   The connection between the alternator and the system receiving its speed signal

3. 3

   The accuracy of the speed signal generated by the alternator

1. 1

   Inspect

   Inspect the wiring and connections between the Inst Controller and the engine speed sensor for damage, corrosion, or loose contacts.

2. 2

   Inspect

   Inspect the wiring and connections between the alternator and the system receiving its speed signal for damage, corrosion, or loose contacts.

3. 3

   Test

   Test the speed signal generated by the alternator to ensure it is functioning correctly and providing accurate data.