This technical manual and operation test manual is for John Deere 670P, 672P.
Publication reference: TM14902X019.
What’s Covered Inside
- General Information
- Diagnostics
- Operational Checkout Procedure
- Engine
- Electrical System
- Six-Wheel Drive (6WD)
- Power Train
- Hydraulic System
Manual Contents and Coverage
Table of Contents:
Repair Technical Manual – TM14902X019
Section 9000 — General Information
Group 01 — Safety
Group 00 — General Specifications
Section 9001 — Diagnostics
Group 01 — General Information
Group 10 — Transmission Control Unit (TCU) Diagnostic Trouble Codes
Group 20 — Engine Control Unit (ECU) Diagnostic Trouble Codes
Group 30 — Primary Display Unit (PDU) Diagnostic Trouble Codes
Group 40 — Vehicle Control Unit (VCU) Diagnostic Trouble Codes
Group 50 — Hydraulic Valve Controller (HVC) Diagnostic Trouble Codes
Group 60 — Auxiliary Valve Controller (AVC) Diagnostic Trouble Codes
Group 70 — Switch Module 1 (SM1) Diagnostic Trouble Codes
Group 80 — Six-Wheel Drive (6WD) Diagnostic Trouble Codes
Group 90 — Cab Video Display (VC1) Diagnostic Trouble Codes
Group 100 — Gear Selector Module (GSM) Diagnostic Trouble Codes
Group 110 — Left Pod Joystick Control (LJ3) Diagnostic Trouble Codes
Group 120 — Right Electrohydraulic (EH) Dual Joystick Control (JR1) Diagnostic Trouble Codes
Group 130 — Left Electrohydraulic (EH) Dual Joystick Control (JL1) Diagnostic Trouble Codes
Section 9005 — Operational Checkout Procedure
Group 10 — Operational Checkout Procedure
Section 9010 — Engine
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 15 — Diagnostic Information
Group 20 — Adjustments
Group 25 — Tests
Section 9015 — Electrical System
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 14 — Electrical Component Diagnostic Information
Group 15 — Diagnostic Information
Group 16 — Display Operation
Group 17 — Diagnostic Test Box
Group 20 — Adjustments
Group 25 — Tests
Section 9016 — Six-Wheel Drive (6WD)
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 15 — Diagnostic Information
Group 20 — Adjustments
Group 25 — Tests
Section 9020 — Power Train
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 15 — Diagnostic Information
Group 25 — Tests
Section 9025 — Hydraulic System
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 15 — Diagnostic Information
Group 20 — Adjustments
Group 25 — Tests
Section 9031 — Heating and Air Conditioning
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 15 — Diagnostic Information
Group 25 — Tests
Choosing the Correct Supporting Manuals
Technical Manuals are concise guides for specific machines. They are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing and repair.
Repair Technical Manual – TM14902X019
Section 9000 — General Information
Group 01 — Safety
Group 00 — General Specifications
Section 9001 — Diagnostics
Group 01 — General Information
Group 10 — Transmission Control Unit (TCU) Diagnostic Trouble Codes
Group 20 — Engine Control Unit (ECU) Diagnostic Trouble Codes
Group 30 — Primary Display Unit (PDU) Diagnostic Trouble Codes
Group 40 — Vehicle Control Unit (VCU) Diagnostic Trouble Codes
Group 50 — Hydraulic Valve Controller (HVC) Diagnostic Trouble Codes
Group 60 — Auxiliary Valve Controller (AVC) Diagnostic Trouble Codes
Group 70 — Switch Module 1 (SM1) Diagnostic Trouble Codes
Group 80 — Six-Wheel Drive (6WD) Diagnostic Trouble Codes
Group 90 — Cab Video Display (VC1) Diagnostic Trouble Codes
Group 100 — Gear Selector Module (GSM) Diagnostic Trouble Codes
Group 110 — Left Pod Joystick Control (LJ3) Diagnostic Trouble Codes
Group 120 — Right Electrohydraulic (EH) Dual Joystick Control (JR1) Diagnostic Trouble Codes
Group 130 — Left Electrohydraulic (EH) Dual Joystick Control (JL1) Diagnostic Trouble Codes
Section 9005 — Operational Checkout Procedure
Group 10 — Operational Checkout Procedure
Section 9010 — Engine
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 15 — Diagnostic Information
Group 20 — Adjustments
Group 25 — Tests
Section 9015 — Electrical System
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 14 — Electrical Component Diagnostic Information
Group 15 — Diagnostic Information
Group 16 — Display Operation
Group 17 — Diagnostic Test Box
Group 20 — Adjustments
Group 25 — Tests
Section 9016 — Six-Wheel Drive (6WD)
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 15 — Diagnostic Information
Group 20 — Adjustments
Group 25 — Tests
Section 9020 — Power Train
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 15 — Diagnostic Information
Group 25 — Tests
Section 9025 — Hydraulic System
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 15 — Diagnostic Information
Group 20 — Adjustments
Group 25 — Tests
Section 9031 — Heating and Air Conditioning
Group 05 — Theory of Operation
Group 10 — System Diagrams
Group 15 — Diagnostic Information
Group 25 — Tests
Choosing the Correct Supporting Manuals
Technical Manuals are concise guides for specific machines. They are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing and repair.
Use TM14902X019 with the model and version details above when selecting the manual for your John Deere equipment.









