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Group Tester One (GT1)
Group Tester One (GT1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Control Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Control Panel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
DVD Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Docking Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Bench Power Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Optical Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
LAN Control Panel Cable (Crossed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
LAN Control Panel Adapter (Uncrossed) . . . . . . . . . . . . . . . . . . . . . . . . .10
LAN Control Panel Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
MFK1 and MFK2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Multi-Function Test Cable-MFK #1 . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Multi-Function Test Cable-MFK #2 . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Touch Pen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
OBD Diagnostic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Diagnostic Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Vehicle Battery Adapter Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Ammeter Clamp with Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Diagnosing with the GT1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
GT1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Touch Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Plug-in Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Docking Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Diagnostic Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Initial Print Date: 2/06
Revision Date:
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Summarization of Contents
OBJECTIVES
Identify the components of the GT1
Learn to identify GT1 components.
Demonstrate proper diagnostic head connection
Learn to properly connect the diagnostic head via hardwire.
Group Tester One (GT1) Overview
Group Tester One (GT1) Features
General introduction and features of the portable diagnostic tool.
Components of the GT1
GT1 Component Identification List
Lists and illustrates the various components of the GT1 for identification.
Control Panel
Control Panel Overview
Details the central component of the GT1, its operating system and applications.
Monitor Functionality
Describes the touch-sensitive monitor surface and proper operation.
Control Block Details
Explains the main control block, its switch, LEDs, and infrared port.
Control Panel Connections and Power Supply
Control Panel Connections Overview
Details the TOP and BOTTOM connections available on the control panel.
Power Supply Options
Explains the three voltage sources available for powering the control panel.
DVD Drive and Docking Station
DVD Drive Usage Instructions
Describes the accessible DVD drive and its proper usage with the control panel.
Docking Station Functionality
Explains the docking station's role in stationary operation and providing interfaces.
Bench Power Unit and Optical Keyboard
Bench Power Unit Usage
Details how the bench power unit can be used as an alternative power source.
Optical Keyboard Operation
Explains the infrared communication and configuration of the optical keyboard.
LAN Control Panel Cables and Adapters
LAN Control Panel Cable (Crossed)
Details the crossed LAN cable, its identification and purpose for communication.
LAN Control Panel Adapter (Uncrossed)
Details the uncrossed LAN adapter, its identification and purpose.
LAN Diagnostic Head Cable Description
Describes the LAN diagnostic head cable, its length and connectors.
MFK1 and MFK2 Cables
MFK1 Capabilities
Details the measurement capabilities of the Multi-Function Test Cable-MFK #1.
MFK2 Capabilities
Details the measurement capabilities of the Multi-Function Test Cable-MFK #2.
Touch Pen, OBD Cable, and Diagnostic Head
Touch Pen Functionality
Explains the touch pen as an ergonomic aid for operating the touch screen.
OBD Diagnostic Cable Use
Describes the diagnostic cable used to connect the diagnostic head to a vehicle.
Diagnostic Head Overview
Explains the diagnostic head's role in interface operation via radio or cable.
Vehicle Battery Adapter Cable and Ammeter Clamp
Vehicle Battery Adapter Cable Use
Describes the adapter cable used for vehicle power supply to the GT1.
Ammeter Clamp with Adapter Function
Explains the use of the ammeter clamp for measuring circuit amperage inductively.
Battery Management
Battery Charging and Maintenance
Details battery power supply, charging, and formation for maximum service life.
Battery Replacement Procedure
Provides a step-by-step guide for safely replacing the GT1's battery.
Diagnosing with the GT1
Hardwire Connection Procedure
Explains the required cables and order for hardwire connection to the diagnostic head.
GT1 Troubleshooting: Control Panel
Control Panel Troubleshooting Guide
Addresses common symptoms, causes, and remedies for control panel issues.
Troubleshooting: Touch Screen and Plug-in Connections
Touch Screen Issues and Solutions
Details symptoms, causes, and remedies for touch screen unresponsiveness or display problems.
Plug-in Connection Issues
Covers troubleshooting for ammeter clip connection and LAN interface issues.
Troubleshooting: Printer and Accessories
Printer Connection Issues
Addresses symptoms, causes, and remedies for local and network printer failures.
Accessory Connection Issues
Covers troubleshooting for MFKs and the optical keyboard connectivity.
Troubleshooting: Docking Station and Fault Codes
Docking Station Power and LED Issues
Troubleshoots power supply, docking contact, and LED indicator problems.
Fault Code Reference
Lists system error codes and their corresponding fault groups for diagnosis.
Troubleshooting: Diagnostic Head
Diagnostic Head Connection and Software Issues
Addresses connection problems, software defects, IP address, and overheating issues.
Measurements Interface Box (MIB)
MIB Overview and Functionality
Introduces the MIB, its purpose to expand GT1 capabilities, and included items.
MIB Panel Connectors
MIB Front Panel Cable Connections
Details the push-pull connectors on the MIB front panel for various cables.
MIB Rear Panel Cable Connections
Lists the D-sub connectors on the MIB rear panel for permanent cable connections.
GT1 Trolley
GT1 Trolley Purpose and Design
Explains the trolley's development for storing GT1 peripherals for quick and safe use.
GT1 Trolley Utilization Notes
GT1 Trolley Storage and Handling
Provides notes on peripheral storage, cable management, and safe handling of the trolley.
Need help?
Do you have a question about the GT1 and is the answer not in the manual?
Questions and answers