New Holland 3659 – ENGINE: Battery Voltage Exceeds Normal Range

The system has detected that the battery voltage is higher than the acceptable range. This may cause the power stage diagnosis to be disabled as a protective measure.

1. 1

   Battery voltage levels

2. 2

   Voltage regulation circuit

3. 3

   Battery connections

1. 1

   Measure the battery voltage

   Use a multimeter to check the battery voltage while the engine is off and then while it is running.

2. 2

   Inspect the battery connections

   Check for loose, corroded, or damaged connections at the battery terminals.

3. 3

   Verify the voltage regulation function

   Ensure that the component responsible for regulating voltage is functioning properly.