John Deere CAB523908.02 – CAB: Rear PTO Remote Switch Problem

The control unit has detected an illogical signal from the external, fender-mounted switch for the rear Power Take-Off (PTO). This conflict typically arises if the control unit receives simultaneous 'on' and 'off' signals, or if the remote switch's signal contradicts the signal from the in-cab PTO switch. This fault will likely affect the operation of the power take-off system.

• 5E Series
• 5055E
• 5060E
• 5065E
• 5075E
• 5083E
• 5093E
• 5M Series
• 5070M
• 5075M
• 5085M
• 5090M
• 5095M
• 5100M
• 5105M
• 5115M
• 5120M
• 5125M
• 5130M
• 6R Series
• 6R 110
• 6R 250
• 6M Series
• 6M 95
• 6M 250
• 7J Series
• 7185J
• 7195J
• 7205J
• 7210J
• 7225J
• 7R Series
• 8R Series
• 8RT Series
• 9R Series
• 9RT Series
• 7020 Series
• 7720
• 7820
• 7920
• 7030 Series
• 7630
• 7730
• 7830
• 7930

1. 1

   Restart the tractor to reset the control modules and see if the fault clears

2. 2

   Cycle both the in-cab PTO switch and the rear remote PTO switch through their on and off positions

3. 3

   Visually inspect the rear PTO remote switch on the fender for cracks in the housing, corrosion on the electrical pins, or loose connections

4. 4

   Check the wiring harness leading to the switch for any signs of fraying, pinching, or other damage

5. 5

   Perform a continuity test on the switch (should have continuity when 'on' and no continuity when 'off')

6. 6

   Perform a voltage test on the wiring to ensure 12V is present at the power input wire and passes to the output wire when activated

1. 1

   Isolate and disconnect

   Ensure the tractor is parked on a level surface, the engine is off, and the battery is disconnected.

2. 2

   Access the switch

   Remove any panels or covers to gain access to the rear of the fender-mounted PTO switch.

3. 3

   Remove the old switch

   Disconnect the wiring harness and then remove the switch from the fender. This may involve unscrewing a retaining nut or releasing locking tabs.

4. 4

   Install the new switch

   Mount the new switch in the fender, ensuring it is secure.

5. 5

   Reconnect and test

   Reconnect the wiring harness to the new switch, then reconnect the tractor battery.

6. 6

   Verify operation

   Turn the ignition on and test the function of the rear PTO remote switch according to the operator's manual. Check if the fault code has cleared from the display.