John Deere 6020 to 6920S Tractors and SE Tractors Diagnostics Service Manual
TM4726
TECHNICAL MANUAL
6020 to 6920S Tractors and SE Tractors
TM4726 01 NOV 03 (ENGLISCH)
For complete service information also see:
6020 to 6920S Tractors and SE Tractors
Operation and Tests …. TM4741
6020 to 6620 Tractors and SE Tractors
Repair… TM4750
Tractors 6820, 6920 and 6920S
Repair……. TM4756
Front Wheel Drive Axles – AS and MS
Series . CTM4687
Front Wheel Drive Axles (700 Series) CTM4820
POWERTECH Diesel Engines …. CTM104
Mechanical Fuel Injection Systems ……. CTM207
Electronic Fuel Injection Systems (Level
4) CTM170
Electronic Fuel Injection Systems (Level
1) CTM284
Electronic Fuel Injection Systems (Level
11) CTM220
Electronic Fuel Injection Systems (Level
12) CTM331
Alternators and Starting Motors
(available in English only).CTM77
John Deere Werke Mannheim
This diagnostics manual is valid for the following:
tractor types: 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620,6820, 6920 and 6920S.
SE tractors: 6020, 6120, 6220, 6320, 6420 and 6520. This manual is written for an experienced technician. Essential tools required in performing certain service
work are identified in this manual and are recommended for use.Live with safety: Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.
John Deere 6020 to 6920S Tractors and SE Tractors Diagnostics Service Manual
This is the safety-alert symbol. When you see this symbol on the machine or in this manual, be alert to the potential for personal injury.
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.
Fundamental service information is available from other sources covering basic theory of operation,
fundamentals of troubleshooting, general maintenance, and basic type of failures and their causes.
SECTION 210—GENERAL INFORMATION
Group 05—Safety Information
SECTION 211—DIAGNOSTIC TROUBLE CODES
Group ATC—ATC Diagnostic Trouble Codes 211 Group BCU—BCU Diagnostic Trouble Codes
Group BIF—BIF Diagnostic Trouble Codes
Group ECU—ECU Diagnostic Trouble Codes
Group EPC—EPC Diagnostic Trouble Codes
Group JDL—JDL Diagnostic Trouble Codes
Group PLC—PLC Diagnostic Trouble Codes
Group PRF—PRF Diagnostic Trouble Codes
Group SFA—SFA Diagnostic Trouble Codes
Group SIC—SIC Diagnostic Trouble Codes
Group SSU—SSU Diagnostic Trouble Codes
Group TCU—TCU Diagnostic Trouble Codes
212
Group TEC—TEC Diagnostic Trouble Codes
Group UIC—UIC Diagnostic Trouble Codes
SECTION 212—OBSERVABLE SYMPTOMS
Group 20—Engine
Group 40—Electrical System
Group 50—SyncroPlus Transmission
Group 51—Power Reverser Transmission
Group 53—AutoPowr/IVT Transmission
Group 55—PowrQuad, PowrQuad Plus and
AutoQuad Transmissions
213
Group 56—Drive Systems
Group 60—Steering and Brakes
Group 70—Hydraulic System
Group 90—Operator’s Cab
SECTION 213—SYSTEM DIAGNOSTICS
Group 45—Electronics