Here is the instruction show you guide on how to repair JCB backhoe loader 3X/4X/5X B00B729 seat switch signals disagreement.
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DTC-FTB Description
Seat Switch Signals Disagreement
Information
Service Procedure
Important: Stop the engine and let it cool before you start work. Do not start the engine during the service procedures. (SN0001)
1 Check for any debris or water inside the connector terminals. This may be as a consequence of pressure washing, loose connectors or poor connector sealing.
2 Check the harness is not damaged and is routed correctly.
3 Check seat harness for correct fitment.
4 The signal may also be checked using ServiceMaster. Switch ignition ON and using Servicemaster BHL machine diagnostics tool, navigate to tab 3.11 ‘Seat Position Status’.
5 There is a disagreement if there is input from both J1-08 and J2-03.
More repair case for JCB,please refer to:JCB Trouble Repair