Massey Ferguson A.43.1B: External Hydraulic Valve 4 Issue

Indicates a fault or potential failure within the circuit or mechanical operation of the fourth external hydraulic remote/spool valve, often an electrical or connectivity issue.

• 5710SL
• 5711SL
• 5712SL
• 5713SL
• T4
• 4707
• 4708
• 4709
• 4710
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626
• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S

1. 1

   Retrieve and verify the active DTCs using a compatible diagnostic tool or interface device.

2. 2

   Inspect the wiring harness and electrical connections leading to External Hydraulic Valve 4 for connection problems.

3. 3

   Consult the specific tractor's service manual to interpret the exact voltage or resistance specifications for the valve solenoid.

1. 1

   Locate valve

   Locate External Hydraulic Valve 4 on the rear remote valve stack.

2. 2

   Disconnect and clean contacts

   Disconnect the electrical harness to the valve and clean the contacts to rule out a connection issue.

3. 3

   Test solenoid

   Test the valve's solenoid for proper operation.

4. 4

   Replace valve or solenoid

   If the electrical connection is sound but the valve fails to respond, the hydraulic auxiliary spool valve assembly or its solenoid must be replaced.

5. 5

   Clear DTCs

   Clear the DTCs using a compatible diagnostic tool after the repair is completed.