CLAAS 7688h – Claas Tr3 A57 3 Transmission Module: Engine speed information on the Powertrain CAN bus (from the TR2) incoherent

The engine speed information transmitted on the Powertrain CAN bus from the TR2 is inconsistent. This may be caused by the PTO being off. The issue requires checking specific components related to the PTO and the CAN bus network.

1. 1

   The rear PTO speed sensor (B142)

2. 2

   The rear PTO clutch

3. 3

   The engine speed

4. 4

   The Powertrain CAN bus network

5. 5

   The “Auto 5” module using tool n° 60 05 033 249

1. 1

   Check the rear PTO speed sensor (B142)

   Verify the functionality and connection of the rear PTO speed sensor (B142).

2. 2

   Inspect the rear PTO clutch

   Ensure the rear PTO clutch is properly engaged and functioning.

3. 3

   Verify the engine speed

   Confirm that the engine speed is being accurately measured and transmitted.

4. 4

   Examine the Powertrain CAN bus network

   Check for any faults or disruptions in the Powertrain CAN bus network.

5. 5

   Test the “Auto 5” module

   Use tool n° 60 05 033 249 to test the “Auto 5” module and make adjustments if required.