Case IH 107 – Armrest Controller: Aux 5th remote valve control switch (Retract) is failed in the Armrest Controller

The system has detected an electrical failure (such as an open circuit, short circuit, or out-of-range voltage) specifically on the "Retract" circuit of the switch that controls the 5th auxiliary hydraulic remote valve.

• Magnum
• Magnum Series
• MX Magnum
• 180
• 210
• 240
• 245
• 275
• 290
• 315
• Steiger / STX Series
• STX 430
• Steiger 500
• 550
• Puma Series
• Maxxum Series
• TG Series

1. 1

   Inspect the 5th remote valve switch for physical damage, sticking, or debris preventing it from returning to the neutral position.

2. 2

   Test the switch contacts with a multimeter for an open circuit or a short to ground when the switch is pressed into the 'Retract' position.

3. 3

   Inspect the wiring harness connecting the switch to the Armrest Controller, specifically checking Connector C137 for proper seating, bent pins, or corrosion.

4. 4

   Verify that the Armrest Controller is receiving proper power and ground by checking the data bus wires (cavities 4 and 5) and power/ground wires (cavities 11 and 12).

1. 1

   Disconnect Power

   Turn off the tractor and disconnect the battery to prevent electrical shorts during disassembly.

2. 2

   Access the Switch

   Remove the retaining screws and lift the armrest control panel cover to access the underside of the remote valve switches/levers.

3. 3

   Disconnect the Switch

   Unplug the electrical harness connector specifically routed to the 5th remote valve switch.

4. 4

   Replace the Component

   If the switch failed the continuity test, remove the faulty rocker switch or lever assembly from the panel and snap/bolt the new OEM switch into place. If the switch tested fine but the wiring harness is damaged, repair the broken wire or replace the armrest sub-harness. If both the switch and wiring are good, the Armrest Controller itself has an internal failure and must be replaced.

5. 5

   Reassembly

   Reconnect the switch harness, reinstall the armrest panel, and reconnect the battery.

6. 6

   Calibration

   Turn the key on and clear the fault codes. Depending on the tractor model, you may need to navigate to the "Hitch/Remote Menu" on the display to perform an Armrest Controller Calibration so the system recognizes the new switch limits.