DOWNLOAD COMPLETE DIAGNOSTIC MANUAL FOR JOHN DEERE 9120, 9220, 9320, 9420, 9520 AND 9620 TRACTOR | PUBLICATION NUMBER - TM1972

This comprehensive diagnostic manual covers the complete troubleshooting and repair procedures for John Deere 9120, 9220, 9320, 9420, 9520, and 9620 tractor models. Document TM1972 provides detailed technical guidance on identifying and resolving mechanical, hydraulic, and electrical system issues. Ideal for technicians, mechanics, and operators requiring authoritative service information. Instant PDF download ensures immediate access to critical diagnostic data for efficient equipment maintenance and problem resolution.

CONTENT:
Foreword
GENERAL
Safety
General Specifications
General References
SERVICE CODES
ACU Code Diagnostics
AMS Code Diagnostics
ASU Code Diagnostics
ATC Code Diagnostics
ECU Code Diagnostics
FDH Code Diagnostics
HCU Code Diagnostics
ICU Code Diagnostics
JDL Code Diagnostics
PCU Code Diagnostics
SCo Code Diagnostics
SCS Code Diagnostics
SCU Code Diagnostics
SSU Code Diagnostics
SUP Code Diagnostics
OBSERVABLE SYMPTOMS
Axles
Electrical
Ag Management Solutions (AMS)
Hitch
Heating, Ventilation, and Air Conditioning (Standard)
Heating, Ventilation and Air Conditioning - CLIMATRAK (ATC) (-009999)
Heating, Ventilation and Air Conditioning - CLIMATRAK (ATC) (010001-)
Operator Station
PowerShift Transmission
Power Take-Off
Selective Control Valve
Steering
Manual Shift Transmission
SYSTEM DIAGNOSIS
Powershift Transmission
Manual Shift Transmission
Steering System
AutoTrac Steering System
Hydraulic System (Standard)
Hydraulic System (Scraper High Flow)
Hydraulic System (Ag High Flow)
Operator Station
ENGINE
Operational Checks
Tests and Adjustments
Theory of Operation
FUEL AND AIR
Theory of Operation
ELECTRICAL
and Adjustments
Theory of Operation
Schematics and Diagrams
CONTROL UNITS
Codes and Addresses
ACU References
ASU References
ATC References
CCU References
 ECU References
FDH References
HCU References
 ICU References
PCU References
PrF References
SCo References
 SCS References
 SCU References
 SSU References
 SUP References
 AG MANAGEMENT SOLUTIONS (AMS) - GREENSTAR
Greenstar System References
AG MANAGEMENT SOLUTIONS (AMS) - JDLINK
Accessing Diagnostic Codes and Addresses
Diagnostic Trouble Codes
Diagnostic Addresses
JDLINK Machine Messenger Diagnostics
AG MANAGEMENT SOLUTIONS (AMS) - AUTOTRAC
How to Use This Diagnostic Information
Accessing Diagnostic Addresses and Codes
Diagnostic Trouble Codes
Diagnostic Addresses
 AutoTrac Identification
AutoTrac Diagnostics - 9000 Series Factory Installed
AutoTrac Diagnostics - 9000 Series Field Installed
GREENSTAR Parallel Tracking Identification
Tracking Diagnostics - 9000 Series Factory Installed
Parallel Tracking Diagnostics - 9000 Series Field Installed
GREENSTAR Display Diagnostics
GREENSTAR Mobile Processor Diagnostics
STARFIRE Receiver Diagnostics
GREENSTAR KeyCard Diagnostics
AutoTrac CAN Bus Identification
AutoTrac CAN Bus Diagnostics - 9000 Series Factory Installed
AutoTrac CAN Bus Diagnostics - 9000 Field Installed
 AutoTrac CCD Bus Identification
AutoTrac CCD Bus Diagnostics - 9000 Series Factory Installed
 AutoTrac CCD Bus Diagnostics - 9000 Series Field Installed
AutoTrac Power Identification
AutoTrac Power Diagnostics - 9000 Series Factory Installed
AutoTrac Power Diagnostics - 9000 Series Field Installed
AutoTrac Status Identification
AutoTrac Status Diagnostics - 9000 Series Factory Installed
AutoTrac Status Diagnostics - 9000 Series Field Installed
AutoTrac Steering Response Identification
Steering Response Diag. - 9000 Series Factory Installed
AutoTrac Steering Response Diag. - 9000 Series Field Installed
AutoTrac Steering Control Unit Identification
AutoTrac Steering Control Unit Diag - 9000 Series Factory Installed
Steering Control Unit Diag - 9000 Series Field Installed
Circuit Code Listing
Connector Information
AG MANAGEMENT SOLUTIONS (AMS) - FIELD DOC
GPS Position and STARFIRESTARFIRE is a trademark of Deere & Company Receiver Operation and Tests
FIELD DOCFIELD DOC is a trademark of Deere & Company Basic Operation and Tests
POWERSHIFT TRANSMISSION
Preliminary Checks
Operational Checks
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
MANUAL SHIFT TRANSMISSION
Preliminary Checks
Operational Checks
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
DRIVE SYSTEMS
Operational Checks
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
STEERING AND BRAKES
Preleminary Checks
Operational Checks
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
HYDRAULICS
Preliminary Checks
Operational Checks
Tests and Adjustments
 Theory of Operation
 Schematics and Diagrams
STATION
Preliminary Checks
Operational Checks
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
TOOLS
Fabricated Tools

TOTAL PAGE - 2952

FILE FORMAT - PDF
LANGUAGE - ENGLISH