Deutz-Fahr 42: Engine Control Unit Main Relay - Voltage Below Normal Value or Short Circuit to Ground

The engine control unit main relay is experiencing a voltage issue, either below the normal value or a short circuit to ground. This may affect the proper operation of the engine control unit.

1. 1

   The voltage supply to the engine control unit main relay

2. 2

   The connection and integrity of the wiring to the engine control unit main relay

3. 3

   The engine control unit main relay itself for signs of damage or short circuit

1. 1

   Check the voltage supply

   Verify that the voltage supplied to the engine control unit main relay is within the specified range.

2. 2

   Inspect the wiring

   Examine the wiring connected to the engine control unit main relay for any damage, loose connections, or signs of a short circuit.

3. 3

   Test the relay

   Test the engine control unit main relay for functionality and signs of internal damage or short circuit.