Fendt F.1.B0 – A034 Joystick (Driving switch): A034 - Driving switch, CAN bus

Initialization or data transfer error where the routing data from the driving switch (the main Vario joystick) is incorrect or corrupted over the CAN bus network.

• 411 Vario COM III
• 412 Vario COM III
• 413 Vario COM III
• 414 Vario COM III
• 415 Vario COM III
• 712 Vario COM III
• 714 Vario COM III
• 716 Vario COM III
• 718 Vario COM III
• 818 Vario COM III
• 820 Vario COM III
• 309 Vario
• 310 Vario
• 311 Vario
• 312 Vario
• 409 Vario
• 410 Vario
• 411 Vario
• 412 Vario
• 413 Vario
• 414 Vario
• 415 Vario
• 711 Vario
• 712 Vario
• 714 Vario
• 716 Vario
• 718 Vario
• 815 Vario
• 817 Vario
• 818 Vario
• 820 Vario
• 916 Vario
• 920 Vario
• 924 Vario
• 926 Vario
• 930 Vario

1. 1

   Use the tractor's A008 terminal (Variotronic Ti) to access the Diagnostics Menu and check the target value for the transmission ratio from the A034 joystick to see if the system is registering physical inputs.

2. 2

   Connect the FENDIAS service diagnostics program to check the A034 driving switch for initialization errors in reading the EEPROM.

3. 3

   Verify the physical wiring and voltage supply for the CAN bus, specifically checking the power supply for the joystick CAN bus located on printed circuit board A013.

1. 1

   Connect diagnostic tool

   Connect the tractor to the FENDIAS diagnostic tool.

2. 2

   Navigate to programming module

   Navigate to the programming module for the A034 component.

3. 3

   Run EOL programming

   Run new EOL (End-Of-Line) programming for the A034 joystick to rewrite the routing and filter data.

4. 4

   Cycle ignition

   Cycle the ignition OFF and then ON.

5. 5

   Replace joystick

   If the error re-occurs after a successful EOL reprogramming, the internal memory/EEPROM of the joystick has likely failed, and the A034 joystick assembly must be physically replaced.