Foxwell GT90Max User manual

1
Windows Diagnostic Platform GT90 Max User's Manual V1.01
Trademarks
FOXWELL is trademark of Shenzhen Foxwell Technology Co., Ltd.
All other marks are trademarks or registered trademarks of their respective
holders.
Copyright Information
©2020 Shenzhen Foxwell Technology Co., Ltd.
All rights reserved.
Disclaimer
The information, specifications and illustrations in this manual are based on the
latest information available at the time of printing.
Foxwell reserves the right to make changes at any time without notice.
Visit our website at
www.foxwelltech.us
For Technical Assistance, send us email at
[e-mail]

2
Windows Diagnostic Platform GT90 Max User's Manual V1.01
Two-Year Limited Warranty
Subject to the conditions of this limited warranty, Shenzhen Foxwell
Technology Co., Ltd (“FOXWELL”) warrants its customer that this product is
free of defects in material and workmanship at the time of its original
purchase for a subsequent period of two (2) year.
In the event this product fails to operate under normal use, during the
warranty period, due to defects in materials and workmanship, FOXWELL will,
at its sole option, either repair or replace the product in accordance with the
terms and conditions stipulated herein.
Terms and Conditions
1 If FOXWELL repairs or replaces the product, the repaired or replaced
product shall be warranted for the remaining time of the original warranty
period. No charge will be made to the customer for replacement parts or labor
charges incurred by FOXWELL in repairing or replacing the defective parts.
2 The customer shall have no coverage or benefits under this limited
warranty if any of the following conditions are applicable:
a) The product has been subjected to abnormal use, abnormal conditions,
improper storage, exposure to moisture or dampness, unauthorized
modifications, unauthorized repair, misuse, neglect abuse, accident,
alteration, improper installation, or other acts which are not the fault of
FOXWELL, including damage caused by shipping.
b) The Product has been damaged from external causes such as collision
with an object, or from fire, flooding, sand, dirt, windstorm, lightning,
earthquake or damage from exposure to weather conditions, an Act of God,
or battery leakage, theft, blown fuse, improper use of any electrical source, or
the product was used in combination or connection with other product,
attachments, supplies or consumables not manufactured or distributed by
FOXWELL.
3 The customer shall bear the cost of shipping the product to FOXWELL. And
FOXWELL shall bear the cost of shipping the product back to the customer
after the completion of service under this limited warranty.
4 FOXWELL does not warrant uninterrupted or error-free operation of the
product. If a problem develops during the limited warranty period, the
consumer shall take the following step-by-step procedure:
a) The customer shall return the product to the place of purchase for repair or
replacement processing, contact your local FOXWELL distributor or visit our
website www.foxwelltech.us to get further information.

3
Windows Diagnostic Platform GT90 Max User's Manual V1.01
b) The customer shall include a return address, daytime phone number
and/or fax number, complete description of the problem and original invoice
specifying date of purchase and serial number.
c) The customer will be billed for any parts or labor charges not covered by
this limited warranty.
d) FOXWELL will repair the Product under the limited warranty within 30 days
after receipt of the product. If FOXWELL cannot perform repairs covered
under this limited warranty within 30 days, or after a reasonable number of
attempts to repair the same defect, FOXWELL at its option, will provide a
replacement product or refund the purchase price of the product less a
reasonable amount for usage.
e) If the product is returned during the limited warranty period, but the
problem with the product is not covered under the terms and conditions of
this limited warranty, the customer will be notified and given an estimate of
the charges the customer must pay to have the product repaired, with all
shipping charges billed to the customer. If the estimate is refused, the
product will be returned freight collect. If the product is returned after the
expiration of the limited warranty period, FOXWELL’ normal service policies
shall apply and the customer will be responsible for all shipping charges.
5 ANY IMPLIED WARRANTY OF MERCHANTABILITY, OR FITNESS FOR
A PARTICULAR PURPOSE OR USE, SHALL BE LIMITED TO THE
DURATION OF THE FOREGOING LIMITED WRITTEN WARRANTY.
OTHERWISE, THE FOREGOING LIMITED WARRANTY IS THE
CONSUMER’S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL
OTHER WARRANTIES, EXPRESS OR IMPLIED. FOXWELL SHALL NOT
BE LIABLE FOR SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF ANTICIPATED
BENEFITS OR PROFITS, LOSS OF SAVINGS OR REVENUE, LOSS OF
DATA, PUNITIVE DAMAGES, LOSS OF USE OF THE PRODUCT OR ANY
ASSOCIATED EQUIPMENT, COST OF CAPITAL, COST OF ANY
SUBSTITUTE EQUIPMENT OR FACILITIES, DOWNTIME, THE CLAIMS OF
ANY THIRD PARTIES, INCLUDING CUSTOMERS, AND INJURY TO
PROPERTY, RESULTING FROM THE PURC HASE OR USE OF THE
PRODUCT OR ARISING FROM BREACH OF THE WARRANTY, BREACH
OF CONTRACT, NEGLIGENCE, STRICT TORT, OR ANY OTHER LEGAL
OR EQUITABLE THEORY, EVEN IF FOXWELL KNEW OF THE
LIKELIHOOD OF SUCH DAMAGES. FOXWELL SHALL NOT BE LIABLE
FOR DELAY IN RENDERING SERVICE UNDER THE LIMITED
WARRANTY, OR LOSS OF USE DURING THE PERIOD THAT THE
PRODUCT IS BEING REPAIRED.
6 Some states do not allow limitation of how long an implied warranty lasts,
so the one-year warranty limitation may not apply to you (the Consumer).
Some states do not allow the exclusion or limitation of incidental and

4
Windows Diagnostic Platform GT90 Max User's Manual V1.01
consequential damages, so certain of the above limitations or exclusions may
not apply to you (the Consumer). This limited warranty gives the Consumer
specific legal rights and the Consumer may also have other rights which vary
from state to state.

5
Windows Diagnostic Platform GT90 Max User's Manual V1.01
Safety Information
For your own safety and the safety of others, and to prevent damage to the
equipment and vehicles, read this manual thoroughly before operating your
tool. The safety messages presented below and throughout this user’s
manual are reminders to the operator to exercise extreme care when using
this device. Always refer to and follow safety messages and test procedures
provided by vehicle manufacturer. Read, understand and follow all safety
messages and instructions in this manual.
Safety Message Conventions Used
We provide safety messages to help prevent personal injury and equipment
damage. Below are signal words we used to indicate the hazard level in a
condition.
Indicates an imminently hazardous situation which, if not avoided, will result
in death or serious injury to the operator or to bystanders.
Indicates a potentially hazardous situation which, if not avoided, could result
in death or serious injury to the operator or to bystanders.
Indicates a potentially hazardous situation which, if not avoided, may result in
moderate or minor injury to the operator or to bystanders.
Important Safety Instructions
And always use your tool as described in the user’s manual, and follow all
safety messages.
● Do not route the test cable in a manner that would interfere with driving
controls.
● Do not exceed voltage limits between inputs specified in this user’s manual.
● Always wear ANSI approved goggles to protect your eyes from propelled
objects as well as hot or caustic liquids.

6
Windows Diagnostic Platform GT90 Max User's Manual V1.01
● Fuel, oil vapors, hot steam, hot toxic exhaust gases, acid, refrigerant and
other debris produced by a malfunction engine can cause serious injury or
death. Do not use the tool in areas where explosive vapor may collect, such
as in below-ground pits, confined areas, or areas that are less than 18 inches
(45 cm) above the floor.
● Do not smoke, strike a match, or cause a spark near the vehicle while
testing and keep all sparks, heated items and open flames away from the
battery and fuel / fuel vapors as they are highly flammable.
● Keep a dry chemical fire extinguisher suitable for gasoline, chemical and
electrical fires in work area.
● Always be aware of rotating parts that move at high speed when an engine
is running and keep a safe distance from these parts as well as other
potentially moving objects to avoid serious injury.
● Do not touch engine components that get very hot when an engine is
running to avoid severe burns.
● Block drive wheels before testing with engine running. Put the transmission
in park (for automatic transmission) or neutral (for manual transmission). And
never leave a running engine unattended.
● Do not wear jewelry or loose fitting clothing when working on engine.

7
Windows Diagnostic Platform GT90 Max User's Manual V1.01
Table of Contents
ONE-YEAR LIMITED WARRANTY ..................................................................................................... 2
SAFETY INFORMATION ..................................................................................................................... 5
SAFETY MESSAGE CONVENTIONS USED ...................................................................................... 5
IMPORTANT SAFETY INSTRUCTIONS ............................................................................................. 5
1 USING THIS MANUAL ................................................................................................................... 10
1.1 BOLD TEXT ................................................................................................................................10
1.2 SYMBOLS AND ICONS ................................................................................................................. 10
1.2.1 Solid Spot ......................................................................................................................... 10
1.2.2 Arrow Icon ........................................................................................................................ 10
1.2.3 Note and Important Message ........................................................................................... 10
2 INTRODUCTION .............................................................................................................................11
2.1 SCANNER DESCRIPTIONS ............................................................................................................11
2.2 VCI DONGLE DESCRIPTIONS ...................................................................................................... 14
2.3 ACCESSORIES ............................................................................................................................16
2.4 TECHNICAL SPECIFICATIONS ....................................................................................................... 17
3 GETTING STARTED .......................................................................................................................17
3.1 POWERING UP THE SCANNER ......................................................................................................17
3.1.1 Internal Battery Pack ........................................................................................................ 18
3.1.2 External Power Supply ..................................................................................................... 18
3.2 SHUTTING DOWN THE SCANNER ................................................................................................. 18
3.3 ESTABLISHING VEHICLE COMMUNICATION ....................................................................................18
3.3.1 VCI Connection ................................................................................................................ 19
3.3.1.1 Bluetooth Communication ......................................................................................... 20
3.3.1.2 USB Communication .................................................................................................21
3.4 SCREEN LAYOUT OF HOME SCREEN ........................................................................................... 21
3.4.1 Application Menu .............................................................................................................. 21
3.4.2 Diagnostic Menu ...............................................................................................................22
4 VEHICLE IDENTIFICATION ........................................................................................................... 23
4.1 VIN READING ............................................................................................................................ 24
4.1.1 Automatic Read ................................................................................................................ 24
4.1.2 Manual Entry .................................................................................................................... 25
4.2 MANUAL SELECTION ...................................................................................................................25
4.2.1 Smart VIN .........................................................................................................................26
4.2.2 Manual Vehicle Selection................................................................................................. 27
5 DIAGNOSIS .................................................................................................................................... 28

8
Windows Diagnostic Platform GT90 Max User's Manual V1.01
5.1 CONTROL MODULE SELECTION ................................................................................................... 29
5.1.1 Quick Scan ....................................................................................................................... 29
5.1.2 Control Modules ............................................................................................................... 31
5.2 DIAGNOSTIC OPERATIONS .......................................................................................................... 32
5.2.1 Read Codes ..................................................................................................................... 33
5.2.2 Clear Codes ..................................................................................................................... 35
5.2.3 Live Data .......................................................................................................................... 36
5.2.4 ECU Information............................................................................................................... 38
5.2.5 Active Tests ......................................................................................................................39
5.2.6 Special Functions ............................................................................................................. 41
5.3 SPECIAL FUNCTIONS .................................................................................................................. 41
5.3.1 Service............................................................................................................................. 41
5.3.2 Coding and Programming .................................................................................................42
5.3.3 Hot Functions ................................................................................................................... 43
6 MAINTENANCE ..............................................................................................................................44
6.1 OIL LIGHT RESET .......................................................................................................................45
6.2 ELECTRONIC PARKING BRAKE (EPB) SERVICE ............................................................................ 45
6.3 BATTERY REPLACEMENT (BRT) .................................................................................................. 47
6.4 DIESEL PARTICULATE FILTER (DPF) REGENERATION ................................................................... 47
6.5 THROTTLE BODY ALIGNMENT (TPS/TBA)....................................................................................47
6.6 STEERING ANGLE SENSOR (SAS) CALIBRATION .......................................................................... 48
6.7 CONTINUOUS VARIABLE TRANSMISSION (CVT) ............................................................................ 48
6.8 GEAR LEARNING ........................................................................................................................ 48
6.9 TIRE PRESSURE MONITORING SYSTEM PROGRAMMING ................................................................48
6.10 ODOMETER ..............................................................................................................................48
6.11 INJECTOR CODING ................................................................................................................... 49
6.12 ABS BLEEDING ........................................................................................................................49
6.13 KEY PROGRAMMING/IMMOBILIZER ............................................................................................. 49
7 DATA MANAGER ...........................................................................................................................49
7.1 IMAGE ....................................................................................................................................... 50
7.1.1 How to Save an Image..................................................................................................... 50
7.1.2 Review Image...................................................................................................................50
7.2 REPORTS ...................................................................................................................................52
7.2.1 How to Create a Report ....................................................................................................52
7.2.2 Review Report .................................................................................................................. 52
7.3 DATA PLAYBACK ........................................................................................................................ 53
7.4 DATA LOGGING & DATA RECORD ................................................................................................54
8 VCI MANAGER ...............................................................................................................................55
8.1 VCI INFORMATION ......................................................................................................................55
8.2 BLUETOOTH ...............................................................................................................................56
8.3 UNBIND A VCI DONGLE ...............................................................................................................56

9
Windows Diagnostic Platform GT90 Max User's Manual V1.01
9 REGISTRATION AND UPDATE ..................................................................................................... 58
9.1 REGISTRATION ...........................................................................................................................58
9.1.1 Register with Built-in Update Client .................................................................................. 58
9.1.2 Register through Website ................................................................................................. 61
9.2 UPDATE .....................................................................................................................................62
10 SETTINGS .................................................................................................................................... 63
10.1 CHANGE UNIT .......................................................................................................................... 63
10.2 LANGUAGE ...............................................................................................................................64
10.3 PUSH MESSAGE .......................................................................................................................64
10.4 AUTOMATIC UPDATE .................................................................................................................65
10.5 SHOW DISCLAIMER ...................................................................................................................65
10.6 FULL SCREEN MODE ................................................................................................................ 65
10.7 SYSTEM SETTINGS ................................................................................................................... 66
10.8 STORAGE PATH SELECTION ......................................................................................................66
10.9 UNINSTALL VEHICLE SOFTWARE ............................................................................................... 66
10.10 PRINT SETTINGS .................................................................................................................... 67
10.11 ABOUT ...................................................................................................................................68
11 SHOP MANAGER .........................................................................................................................68
11.1 VEHICLE HISTORY .................................................................................................................... 69
11.2 WORKSHOP INFORMATION ........................................................................................................ 69
12 MY ACCOUNT .............................................................................................................................. 70
12.1 MYACCOUNT .......................................................................................................................... 70
12.2 MYPRODUCTS .........................................................................................................................71
12.3 COMPLAINTS ............................................................................................................................71
13 REMOTE SUPPORT .....................................................................................................................72
14 TECHNICAL DATA .......................................................................................................................73
15 TUTORIALS ..................................................................................................................................73
16 FUNCTIONS ................................................................................................................................. 74

10
Windows Diagnostic Platform GT90 Max User's Manual V1.01
1 Using This Manual
We provide tool usage instructions in this manual. Below are the conventions
we used in the manual.
1.1 Bold Text
Bold text is used to highlight selectable items such as buttons and menu
options.
Example:
Select Diagnostic from home screen of the GT90 Max application.
1.2 Symbols and Icons
1.2.1 Solid Spot
Operation tips and lists that apply to specific tool are introduced by a solid
spot ●.
Example:
When VIN hotkey is selected, a menu that lists all available options displays.
Menu options include:
●Automatic Read
●Manual Entry
1.2.2 Arrow Icon
An arrow icon indicates a procedure.
Example:
To connect to wall plug:
1. Connect the 12V power adapter to scanner and plug it to the wall socket.
2. Press the power switch of the scan tool to power it on; meanwhile the
scanner tool starts charging automatically also.
1.2.3 Note and Important Message
Note
A NOTE provides helpful information such as additional explanations, tips,
and comments.
Example:
NOTE
Test results do not necessarily indicate a faulty component or system.
Important

11
Windows Diagnostic Platform GT90 Max User's Manual V1.01
IMPORTANT indicates a situation, which if not avoided, may result in
damage to the test equipment or vehicle.
Example:
IMPORTANT
Do not soak scanner as water might find its way into the scanner.
2 Introduction
The latest Windows tablet scanner GT90 Max delivers faster and smarter
diagnosis for workshops and technicians. Through hardware and software
upgrades, technical staff can now approach problems with greater speed and
accuracy and produce comprehensive, professional reports.
There are two main components:
●GT90 Max Tablet - displays menus, test results and operation
procedures and tips.
●VCI Dongle - the device that communicates with the vehicle and
transmits data the tablet.
2.1 Scanner Descriptions
This section illustrates external features, ports and connectors of the
scanner.
Figure 2-1 Front View
112.2’’ LED IPS Capacitive Touch Screen - shows menus, test results and
operation tips.

12
Windows Diagnostic Platform GT90 Max User's Manual V1.01
2Front-Facing Camera
3Power Indicator - indicates the power status of the scanner.
Figure 2-2 Back View
4Rear-Facing Camera - takes pictures of VIN number, faulty parts and
plates and shoots test videos.
Figure 2-3 Top View
5P1/P2 - shortcuts for Windows setting menu.
6VOL + / VOL - press to adjust the volume.
7Power Switch - turns on the scanner, goes to sleep mode or wake up the
scanner from sleep mode, press and hold for 3 seconds for emergency
shutdown.

13
Windows Diagnostic Platform GT90 Max User's Manual V1.01
Figure 2-4 Left View
8Headset Port
9Mini USB Port - provides USB connection with other devices.
10 HDMI (high-definition multimedia interface) Port - outputs display of
the scanner for demonstration and training.
11 USB 3.0 Port - provides USB connection with VCI dongle, oscilloscope,
video scope and other external storage devices and be used to transfer
data.
12 USB 2.0 Port - provides USB connection with VCI dongle, oscilloscope,
video scope and other external storage device and be used to transfer data.
13 Ethernet Port - connects with Ethernet cable.
14 Power Port - connects to wall plug to charge the scanner.
15 USB 2.0 Port - provides USB connection with VCI dongle, oscilloscope,
video scope and other external storage device and be used to transfer data.

14
Windows Diagnostic Platform GT90 Max User's Manual V1.01
16 COM 2 - serial port for connecting other devices.
17 COM 1 - serial port for connecting other devices.
IMPORTANT
Do not use solvents such as alcohol to clean display. Use a mild nonabrasive
detergent and a soft cotton cloth.
2.2 VCI Dongle Descriptions
GT90 Max connects to the vehicle and get data through the VCI dongle either
by Bluetooth or USB communication.
2
4
3
1
Figure 2-5 Front View of VCI dongle
1Error Light - illuminates constantly when serious hardware failure occurs.
2USB Light - turns green when the VCI dongle is properly connected and
communicating with the GT90 Max tablet via USB cable.
3Bluetooth Light - turns green when the VCI dongle is properly connected
with the GT90 Max tablet via Bluetooth communication.
4Power Light - turns to green when powered on.
5

15
Windows Diagnostic Platform GT90 Max User's Manual V1.01
Figure 2-6 Top View of VCI
5Vehicle Data Connector - provides connection between vehicle and the
VCI dongle through the 16 pin diagnostic cable.
6
Figure 2-7 Bottom View of VCI
6USB Port - provides USB connection between the VCI dongle and GT90
Max tablet.

16
Windows Diagnostic Platform GT90 Max User's Manual V1.01
2.3 Accessories
This section lists the accessories that go with the scanner. If you find any of
the following items missing from your package, contact your local dealer for
assistance.
Table 2-1 Accessories

17
Windows Diagnostic Platform GT90 Max User's Manual V1.01
2.4 Technical Specifications
Table 2-2 Technical Specifications
3 Getting Started
This section describes how to power on/off the scanner, provides brief
introductions of applications loaded on the scanner and display screen layout
of the scan tool.
3.1 Powering up the Scanner
Before using the GT90 Max applications (including updating the scanner),
please make sure to provide power to the scanner.
Item
Description
Touch Screen
12.2’’ diagonal, daylight readable color LCD screen, 1920*1200 pixel
Dustproof and
Waterproof Level
IP65
Operation
System
Windows 10 Home 64bit
Processor
Skylake M3-6Y30 (4M Cache, up to 2.60 GHz)
Memory
4GB
SSD Hard drive
128GB
Communication
interface
Built-in WIFI 802.11 a/b/g/n/ac Wireless LAN
USB2.0/USB3.0/Type C
Bluetooth 4.2 (10m)
Camera
2 megapixels front-facing and 5 megapixels rear-facing
Built-in Battery
6300mAh/7.4V, 1000mAh/7.4V (dual Lithium-polymer battery),
chargeable via 12V/4A AC/DC power supply
Protocols
ISO9141-2, ISO14230-2, ISO15765-4, K/L lines, Double K Line
SAE-J1850 VPW, SAE-J1850PWM, CAN ISO 11898, High-speed,
Middle-speed, Lows-peed and Single wire CAN, KW81, KW82, GM
UART, UART Echo Byte Protocol, Honda Diag-H Protocol, TP2.0,
TP1.6, SAE J1939, SAE J1939, SAE J1708, Fault-Tolerant CAN
Working
Temperature
-10 to 50℃
Storage
Temperature
-30 to 70℃
Humidity
95% Non-Condensing
Dimensions
319.6*216*23.4 mm (L*W*H)
Weight
Net Weigh: 1.5KG

18
Windows Diagnostic Platform GT90 Max User's Manual V1.01
The unit operates on any of the following sources:
●Internal Battery Pack
●External Power Supply
3.1.1 Internal Battery Pack
The GT90 Max tablet can be powered with the internal rechargeable battery.
The fully charged battery is capable of providing power for 6 hours of
continuous operation.
NOTE
Please turn off the tablet to save power when not use.
3.1.2 External Power Supply
The tablet can also be powered from a wall socket using the AC/DC power
supply. The tablet charges its internal battery pack through AC/DC power
connector.
3.2 Shutting Down the Scanner
All vehicle communication must be terminated before shutting down the
scanner. Exit the Diagnostic application before powering down.
To shut down the scanner:
1. Swipe the rightmost side of the display and you will see the Settings icon
of the Windows system.
2. Press the Settings icon and you will see the Power switch.
3. Press the Power switch and select the shut down option to power the
scanner off.
NOTE
In case of emergency, press and hold the Power button of the scanner for 5
seconds to force shutdown.
3.3 Establishing Vehicle Communication
To establish communication with GT90 Max:
1. Connect the VCI dongle to the vehicle’s DLC for both communication and
power source.
2. Connect the VCI dongle to the GT90 Max tablet via Bluetooth or USB
connection.

19
Windows Diagnostic Platform GT90 Max User's Manual V1.01
Figure 3-2 Sample Bluetooth Communication Screen
Figure 3-3 Sample USB Communication Screen
Please refer to Chapter 3.3.1.1about the details of how to connect via
Bluetooth and Chapter 3.3.1.2 about the details of how to connect via
USB cable.
3. Check the VCI Indicator status at the toolbar. If the button turns to green,
the GT90 Max is ready to start vehicle diagnosis.
3.3.1 VCI Connection
The VCI dongle supports two ways of communication with the GT90 Max
tablet:
● Bluetooth Communication
● USB Communication

20
Windows Diagnostic Platform GT90 Max User's Manual V1.01
3.3.1.1 Bluetooth Communication
Bluetooth communication is recommended. The working range for Bluetooth
communication is about 10m, providing easy connection to vehicles in any
location throughout the shop.
To build Bluetooth connection:
1. Power up the tablet.
2. Go to VCI Manager and then Bluetooth. Click Connect and the VCI
dongle will connect to the tablet automatically.
Figure 3-4 Sample VCI Manager Screen
Figure 3-5 Sample Bluetooth Connection Screen
3. Check if the button at the toolbar turns to green. If yes, it means it’s
ready to start diagnosis.
NOTE
If the VCI Indicator isn’t green, it indicates that the signal strength of the
transmitter is too weak to be detected. In this case, try to get closer to the
device, or check the connection of VCI dongle, and remove all possible
objects that cause signal interference.