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BMW Group Tester One - User Manual

BMW Group Tester One
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Initial Print Date: 2/06
Table of Contents
Subject Page
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
Group Tester One (GT1)
Revision Date:

Table of Contents

Questions and Answers

  • J
    jchristensenAug 3, 2025
    What to do if my BMW Group Tester One Diagnostic Equipment system crashes?
    • M
      Melissa MercadoAug 3, 2025
      If your BMW Diagnostic Equipment system crashes and a normal switch-off isn't possible, perform a forced switch-off by pressing the on/off switch for approximately 5 seconds. This will switch the control panel off and then on again.
  • D
    Daniel HuffmanAug 9, 2025
    Why does the 'Operation' LED light up orange on my docked BMW Group Tester One Diagnostic Equipment?
    • B
      Briana CraigAug 9, 2025
      The 'Operation' LED on your docked BMW Diagnostic Equipment might light up orange because the docking station's power supply is interrupted, preventing the control panel from receiving power through the docking contact. Check the power supply and ensure the plug is correctly inserted. Inspect the spring contacts for dirt or obstructions. Try undocking and redocking the control panel a few times to establish a proper connection. If these steps don't resolve the issue, send a Fault Report Fax.
  • J
    Joshua CardenasAug 13, 2025
    What to do if my BMW Diagnostic Equipment system does not power up completely?
    • B
      Brittany HowardAug 13, 2025
      If your BMW Diagnostic Equipment system doesn't power up completely and gets stuck with an error message, switch the control panel off by pressing the on/off switch for 5 seconds (forced switch off), then switch it on again. If the system still freezes, reinstall the Base CD. If the problem persists, send a Fault Report Fax.
  • S
    shannonfarleyAug 18, 2025
    Why does the 'Temperature' LED light up red and the control panel switches off on my BMW Group Tester One?
    • R
      Rita FarmerAug 18, 2025
      The 'Temperature' LED lighting up red and the control panel switching off indicates that the excess internal temperature circuit breaker has been activated. Move the BMW Diagnostic Equipment control panel to a cooler room and allow it to cool down adequately before switching it on again. If the 'Temperature' LED flashes yellow without high ambient temperature, send a Fault Report Fax.
  • M
    Michael AlexanderAug 23, 2025
    What to do if the 'Battery' LED flashes yellow on my BMW Group Tester One Diagnostic Equipment?
    • T
      tiffanyatkinsonAug 23, 2025
      If the 'Battery' LED flashes yellow for 10 seconds on startup and the BMW Diagnostic Equipment control panel doesn't start, it indicates there's still excess temperature after the control panel shut itself off. Move the control panel to a cooler room and allow it to cool down adequately. Then, switch the control panel on again. If the 'battery' LED continues to flash yellow without high ambient temperature, send a Fault Report Fax.
  • B
    briannahernandezAug 28, 2025
    What to do if my BMW Diagnostic Equipment does not power up after complete discharge?
    • N
      Nicole HarmonAug 28, 2025
      If your BMW Diagnostic Equipment doesn't power up after a complete discharge and docking at the docking station, wait approximately 3 minutes before attempting to power it up. This is necessary due to the profound discharge of the battery.

Summary

Group Tester One (GT1) Introduction

GT1 Component Overview

Control Panel

Control Panel Connections

Details the ports and interfaces on the control panel for various connections.

Power Supply Options

DVD Drive and Docking Station

Input Devices

LAN Connectivity

Measurement Cables (MFK)

Diagnostic Accessories

Vehicle Power and Ammeter

Battery Management

Diagnosing with the GT1

GT1 Troubleshooting

Touch Screen Troubleshooting

Addresses issues related to the touch screen's responsiveness and display.

Plug-in Connections Troubleshooting

Guidance on resolving problems with cable connections and adapters.

Printer and Accessories Troubleshooting

Troubleshoots issues with the printer and other system accessories.

Docking Station and Diagnostic Head Issues

Covers troubleshooting for the docking station and diagnostic head.

Measurements Interface Box (MIB)

MIB Panels

Details the front and rear panel connectors and capabilities of the MIB.

GT1 Trolley

BMW Group Tester One Specifications

General IconGeneral
BrandBMW
ModelGroup Tester One
CategoryDiagnostic Equipment
LanguageEnglish