Massey Ferguson 0.2.37 – Dash: Issue With Signal Voltage From Clutch Pedal Sensor, High Voltage (Dash)

The control module is receiving an electrical signal from the clutch pedal position sensor (potentiometer) that is out of the expected voltage range (typically too high, indicating a potential short to power or a failed internal resistor track).

• 5710SL
• 5711SL
• 5712SL
• 5713SL
• T4
• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S
• 4700 Series
• 6700 Series

1. 1

   Check the battery voltage using a multimeter (should be around 12.6V resting) to rule out low voltage or weak grounds causing misread sensor voltages.

2. 2

   Inspect the wiring harness leading to the clutch pedal sensor for rub points, pinched wires, or shorts to power/ground.

3. 3

   Check the sensor connector for corrosion, moisture, or loose pins.

4. 4

   Use a multimeter to test the voltage output of the clutch pedal potentiometer while slowly depressing the pedal. The voltage should sweep smoothly without dropping out or spiking.

5. 5

   Attempt a clutch pedal calibration procedure via the tractor's dash menu or diagnostic tool to resolve jumpy clutch or out-of-range codes.

1. 1

   Preparation

   Turn off the tractor, remove the key, and disconnect the negative battery terminal to prevent electrical shorts.

2. 2

   Locate the Sensor

   Locate the clutch pedal sensor (potentiometer/switch) situated in the pedal box assembly at the base of the clutch pedal.

3. 3

   Disconnect

   Unplug the electrical wiring harness connector from the sensor.

4. 4

   Removal

   Remove the mounting screws or retaining clips securing the sensor to the clutch pedal bracket and slide the sensor off the pedal pivot/linkage.

5. 5

   Installation

   Install the new OEM clutch pedal sensor in the exact orientation as the old one. Secure the mounting hardware.

6. 6

   Reconnect

   Plug the electrical connector back into the sensor and reconnect the battery.

7. 7

   Calibration

   Turn the ignition on and perform the mandatory clutch pedal calibration procedure so the Dash/Transmission controller can learn the new sensor's minimum and maximum voltage values. Clear the fault codes.