John Deere 8320RT 8345RT 8370RT Tracked Tractors Diagnostic Manual TM146619

The John Deere 8320RT 8345RT 8370RT Tracked Tractors Diagnostic Manual provides detailed diagnostic information for the 8320RT, 8345RT, and 8370RT tracked tractor models. It covers diagnostic trouble codes, observable symptom and system diagnostics, engine systems, fuel and air intake systems, cooling, electrical systems, electronic control units, AutoPowr / IVT and e23 transmissions, drivetrain, brakes, steering, hydraulics, suspension, and the cab and operator station. The manual also includes component information, control unit tests and software addresses, diagnostic tests and adjustments, wiring diagrams, and installation test equipment. :contentReference[oaicite:0]{index=0}

Specifications: SM

Brand: John Deere 8000-9000 Series Tractors
Type of Document: Diagnostic Manual
Type of Equipment: Tracked Tractor
Model: 8320RT, 8345RT, 8370RT
Serial Number: 917000-920000
Manual Number: TM146619
Language: English
Format: PDF

Details:

Introduction

Foreword

General Information

Safety
General References
References for Technical Information
Diagnostic Philosophy

Diagnostic Trouble Codes

Armrest Interface Control Software Diagnostic Trouble Codes (AIC)
Automatic Temperature Control Software Diagnostic Trouble Codes (ATC)
Chassis Control Software Diagnostic Trouble Codes (CCU)
Cab Load Center Software Diagnostic Trouble Codes (CLC)
Radio Software Diagnostic Trouble Codes (CRU)
Cab Switch Module Software Diagnostic Trouble Codes (CSM)
Engine Control Software Diagnostic Trouble Codes (ECU)
Engine Interface Control Software Diagnostic Trouble Codes (EIC)
Front Console Control Software Diagnostic Trouble Codes (FCC)
Hitch Control Software Diagnostic Trouble Codes (HCC)
Hitch Valve Software Diagnostic Trouble Codes (HV1)
Vehicle Security Control Software Diagnostic Trouble Codes (ICA)
JDLink Software Diagnostic Trouble Codes (JDL)
Operator Interface Control Software Diagnostic Trouble Codes (OIC)
Primary Display Software Diagnostic Trouble Codes (PDU)
AutoPowr / IVT Transmission Control Software Diagnostic Trouble Codes (PTI)
e23 Transmission Control Software Diagnostic Trouble Codes (PTP)
Roof Lighting Control Software Diagnostic Trouble Codes (RLC)
Rear PTO Control Software Diagnostic Trouble Codes (RPT)
SCV Control Software Diagnostic Trouble Codes (SCC)
SFA Control Software Diagnostic Trouble Codes (SFA)
SCV I Control Software Diagnostic Trouble Codes (SV1)
SCV II Control Software Diagnostic Trouble Codes (SV2)
SCV III Control Software Diagnostic Trouble Codes (SV3)
SCV IV Control Software Diagnostic Trouble Codes (SV4)
SCV V Control Software Diagnostic Trouble Codes (SV5)
SCV VI Control Software Diagnostic Trouble Codes (SV6)
TEI – Tractor Equipment Control Software Diagnostic Trouble Codes (TEC/TEI)
AutoPowr / IVT Transmission Shift Control Software Diagnostic Trouble Codes (TII)
Tracks Steering A-Box Main Control Software Diagnostic Trouble Codes (TMA)
Tracks Steering B-Box Main Control Software Diagnostic Trouble Codes (TMB)
Tracks Steering A-Box Supervisor Control Software Diagnostic Trouble Codes (TSA)
Tracks Steering B-Box Supervisor Control Software Diagnostic Trouble Codes (TSB)
Vehicle Load Center Control Software Diagnostic Trouble Codes (VLC)
Virtual Terminal Implement Control Software Diagnostic Trouble Codes (VTI)
Virtual Terminal Vehicle Control Software Diagnostic Trouble Codes (VTV)

Observable Symptom and System Diagnostics

General References
Fuel, Air Intake, Exhaust, and Cooling
Electrical
Electronic Control Units
AutoPowr / IVT Transmission
e23 Transmission
Drivetrain
Brakes
Steering
Hydraulics
Suspension
Operator Station

Engine

General Information
Theory of Operation
Diagnostic Tests and Adjustments

Engine Component Information

General Information
Engine Component Location

Fuel, Air Intake, Exhaust and Cooling

General Information
Theory of Operation
Schematic

Fuel, Air Intake, Exhaust and Cooling Component Information

General Information
Fuel, Air Intake and Exhaust System Component Location
Cooling System Component Location

Electrical

General Information
Theory
Electrical System Wiring Diagrams
Starting and Charging
Road Lighting
Field Lighting
Interior Lighting
Standard and Heated Seat
Audible Alerts
Windshield Wipers
Operator Station
Remote Mirrors
Radio
Accessory Power Connectors
AutoPowr / IVT Transmission
e23 Transmission
PTO
Engines
GreenStar Display and Implement CAN Bus
AMS Technology
Rear SCV’s and Rear Hitch
Tracks Suspension
Brakes
HVAC (Automatic)
Steering
Controller Area Network (CAN)

Electronic Control Units

General Information
Interactive Tests and Calibrations
Control Unit Schematics
Armrest Control Unit Tests
Automatic Temperature Control Unit Tests
Cab Control Unit Tests
Generation 4 CommandCenter Control Unit Tests
Corner Post Display Control Unit Tests
Engine Control Unit Tests
4100 and 4600 Processor Control Unit Tests
Rear Chassis Control Unit Tests
Roof Control Unit Tests
Tracks Steering Control Unit Tests
Armrest Interface Control Software Addresses (AIC)
Automatic Temperature Control Software Addresses (ATC)
Chassis Control Software Addresses (CCU)
Cab Load Center Software Addresses (CLC)
Radio Control Software (CRU)
Cab Switch Module Software Addresses (CSM)
Engine Control Software Addresses (ECU)
Engine Interface Control Software Addresses (EIC)
Front Console Control Software Addresses (FCC)
Hitch Control Software Addresses (HCC)
Hitch Valve Software Addresses (HV1)
Vehicle Security Control Software Addresses (ICA)
JDLink Software Addresses (JDL)
Operator Interface Control Software Addresses (OIC)
Primary Display Software Addresses (PDU)
AutoPowr / IVT Transmission Control Software Addresses (PTI)
e23 Transmission Control Software Addresses (PTP)
Roof Lighting Control Software Addresses (RLC)
Rear PTO Control Software Addresses (RPT)
SCV Control Software Addresses (SCC)
Suspended Front Axle Control Software Addresses (SFA)
SCV I Control Software Addresses (SV1)
SCV II Control Software Addresses (SV2)
SCV III Control Software Addresses (SV3)
SCV IV Control Software Addresses (SV4)
SCV V Control Software Addresses (SV5)
SCV VI Control Software Addresses (SV6)
TEI – Tractor Equipment Control Software Addresses (TEC/TEI)
AutoPowr / IVT Transmission Shift Control Software Addresses (TII)
PowerShift Transmission Shift Control Software Addresses (TIP)
Tracks Steering System A-Box Main Control Software (TMA)
Tracks Steering System B-Box Main Control Software (TMB)
Tracks Steering System A-Box Supervisor Control Software (TSA)
Tracks Steering System B-Box Supervisor Control Software (TSB)
Vehicle Load Center Control Software Addresses (VLC)
Virtual Terminal Implement Control Software Addresses (VTI)
Virtual Terminal Vehicle Control Software Addresses (VTV)

Electrical Component Information

General Information
Electrical Assemblies
Sensors
Condensors/Capacitors
Lights
Fuses
Charging
Monitoring Devices
Relays
Motors
Switches
Diodes
Wiring Harnesses
Interconnects and Ground Points
Electronically Actuated Mechanical Devices

AutoPowr / IVT Transmission

General Information
Operational and Preliminary Checks
Theory of Operation
Schematic
Diagnostic Tests and Adjustments

e23 Transmission

General Information
Operational and Preliminary Checks
Theory of Operation
Schematic
Diagnostic Tests and Adjustments

Drivetrain

General Information
Axles Theory of Operation
PTO Operation and Preliminary Checks
PTO Theory of Operation
PTO Schematic
PTO Diagnostic Tests and Adjustments

Drivetrain Component Information

General Information
AutoPowr / IVT Transmission Components
e23 Transmission Components
Drivetrain Components

Brakes

General Information
Operational and Preliminary Checks
Theory of Operation
Schematic
Diagnostic Tests and Adjustments

Steering

General Information
Operational and Preliminary Checks
Theory of Operation
Schematic
Diagnostic Tests and Adjustments

Steering and Brakes Component Information

General Information
Brake Components
Steering Components

Hydraulics

General Information
Operational and Preliminary Checks
Theory of Operation
Schematic
Diagnostic Tests and Adjustments

Hydraulics Component Information

General Information
Hydraulic Components

Suspension

General Information
Operational and Preliminary Checks
Theory of Operation
Suspended Front Axle Schematic
Diagnostic Tests and Adjustments

Suspension Component Information

General Information
Suspension Components

Cab and Open Operator’s Station

General Information
HVAC Operational and Preliminary Checks
HVAC System Theory of Operation
HVAC Schematic
HVAC Diagnostic Tests and Adjustments
Seat Operational and Preliminary Checks
Seat Theory of Operation
Seat Schematic

Cab and Open Operator’s Station Component Information

General Information
Cab and Open Operator’s Station Components

Tools

General Information
Dealer Fabricated Tools
Fuel, Air Intake, Exhaust, and Cooling-Install Test Equipment
AutoPowr / IVT Transmission Install Test Equipment
e23 Transmission -Install Test Equipment
Brakes-Install Test Equipment
Steering-Install Test Equipment
Hydraulics-Install Test Equipment
Cab and Open Operator’s Station-Install Test Equipment
Section 250A
Section 250B
Section 250C
Section 260A
Section 260B

John Deere 8320RT 8345RT 8370RT Tracked Tractors Diagnostic Manual TM146619