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XTOOL EZ400 PRO Full System Auto 
Diagnostic Tool 
XTool 
EZ400 PRO is a high-end and new style auto diagnostic device developed by XTOOL 
based on Android system which has same function as Xtool PS90. Xtool EZ400 Pro 
is based on Android system and Internet application,combines the XTOOL Company's 
vast vehicle coverage, strong diagnostic functions, many special functions and 
modern high quality tablet together,which makes it the best solution for 
workshops. XToolEZ400 PRO can work on Malaysia cars now, please pass us serial 
number of your device to get the authroization for free.

XTOOL EZ400 Pro Features:
 
1.Easy 
registration with EZ400 PRO connected to WIFI
2.Wireless 
diagnosis via Bluetooth
3.One-click 
software update via WIFI
4.Remote 
access
5.Diagnosis 
reports in PDF file
6.Record 
and playback live data
7.On-board 
battery
8.Extensive 
vehicle coverage for most US, Asian and European vehicle makes
XTOOL EZ400 Pro Function 
List:

▪Full 
System Diagnosis

▪Immobilization
▪Odometer 
adjustment
▪Service 
maintenance light
▪Electric 
Parking brake
▪Thrittle 
Relearn
▪Steering 
angle adjustment
▪Tooth 
learning
▪ABS 
exhaust
▪Headlight 
adjustment
▪DPF
▪Suspension
▪ECU 
reset
▪Type 
pressure reset
▪BMS 
reset

How to Update XTool EZ400 
Pro?
One-Click 
Onlie Update

XTOOL EZ400 Pro Vehicle 
List:



Xtool EZ400 Pro Tablet 
Overview:

①MicroUSB:Battery 
charge or data synchronization with PC
②DB15 
Port:Supports wired connection with car by the cable
③Power 
Button:  Power on or power off
Vehicle Connection 
Test
 
 Wired 
Connection  ①→②→③→④
a. 
Connect cables and EZ400PRO in following order: ①→②→③→④
b. 
Switch on the ignition and turn on EZ400PRO tablet, then tap on EZ400PRO 
application to test vehicles. (Shown as follows)

① 
EZ400 PRO Mainframe  ② Main Test Cable  ③ OBDⅡ-16  ④ Vehicle
 Precautions Before 
Use
1. 
The vehicle power supply has to meet the normal voltage limits 
DC4.8V---5V.
2. 
When pull and plug test wire harness, users should pinch the front-end of the 
wire harness to pull and plug, not pull the middle section of the wire harness. 
Users should check the corresponding direction of the port and plug in 
horizontally when they plug the wire harness, instead of inserting in an oblique 
way, which may damage the terminal.
3. 
When taking some special functions tests, users are required to operate the 
device according to operating instructions. For vehicle, it has to strictly meet 
the requirements, for example, the conditions that some vehicle models need to 
be reached are as follows: engine temperature 80℃/105℃,turn  off the loads (such 
as headlights, air-conditioner, etc.), put accelerator pedal in released 
position, etc.
4. 
The ECU for Chinese domestic vehicle models are relatively disorderly, so when 
users meet conditions, such as the car can not be tested or the test data is 
wrong, they should consider whether the selected menu corresponds to the tested 
electronic control system, or they can find the car ECU and select the right 
menu according to the model number on the ECU label.
5. 
If users can not find the tested vehicle model or electronic control system in 
EZ400PRO test menu, they may need to update the software or consult Xtool 
technical service department
6. 
Banned to have connection test by using harness not from Xtool to avoid 
unnecessary losses.  
7. 
Banned to power off directly in the communication between EZ400PRO and vehicle. 
Users should cancel the task and return to the main interface, then power 
off.
8. 
The device should be put and lifted slightly to avoid collision when using 
EZ400PRO. When click the screen, touch it gently to guarantee the service life 
of the touch screen.
9. 
During long period of non-use, please disconnect the power and turn it 
off.
After EZ400PRO tablet connected to 
vehicle via main cable, diagnosis can be performed now.
Settings
Select 
enter Settings; users can set the language, unit and other system related 
options:
Languages: 
select the language. Please tick the needed option from multi-language options 
on the right.

Units: Select unit of measurement. 
Users can tick Metric or English measurement. 

System 
Settings: Android system setup, such 
as wireless, audio frequency, light sensation, etc.
XTOOL EZ400 Pro 
FAQs:
Q1:Does 
it can program a key 2014 ford fiesta St?
A1:yes,it 
work with 2014 year ford on key programmer.
Q2:Is 
this bidirectional for cadilac 04 srx will it test fans on hvac and reset 
mileage program key fobs?
A2:not 
sure of 2004 years. It will work for reset mileage and program key fobs for 
cadilac, but not support test fans on hvac.
Q3:Does 
do the km change on Mecedes w211 e320cdi 2004?
A3:yes,it 
does w211 E series.
Q4:Can 
this work on kia hyundai and toyota from central america form 2005 to 
2017?
A4:Toyota 
yes but Kia haven't used it on it yet
Q5:Does 
it have bi directional control functions such as evap vent test or ABS 
bleeding?
A5:not 
support this function.
XTOOL EZ400 Pro Technical 
Parameters
 
Operating 
System:             Android
Processor:                          
Quad-core 1.6GHz Processor
Memory:                            
1G RAM,16G FLASH
Display:                              
7.0 inch touch screen with 1024×600 resolution
Sensors:                             
Gravity Sensor,Ambient Light Sensor
Audio 
Input/Output:         Microphone, Dual Speakers, 4-Band 3.5 mm stereo/standard 
headset jack
Power 
and Battery:            4000mAh, 3.7V lithium-polymer battery
Power 
Voltage:                  5V
Power 
Consumption:         8W
Operating 
Temperature:    -20 to 50℃(-4 to 126℉)
Humidity:                           
<90%
Dimension 
(L*W*H):           218*150*29mm
XTOOL EZ400 Pro Package 
List:
 
1pc 
x OBD II-16
1pc 
x HONDA-3
1pc 
x BMW-20
1pc 
x TOYOTA-17
1pc 
x MAZDA-17R
1pc 
x KIA-20
1pc 
x HYUNDAI/KIA-10
1pc 
x NISSAN-14
1pc 
x GM/DAEWOO-12
1pc 
x SELFTEST
1pc 
x UNIVERSAL-3
1pc 
x SUZUKI-3
1pc 
x FIAT-3
1pc 
x CITROEN-2
1pc 
x AUDI-4
1pc 
x MITSUBISHI-12+16
1pc 
x BENZ-38
1pc 
x BENZ-14
1pc 
x MAINCABLE
1pc 
x Battery Cable
1pc 
x Cigar Lighter Cable
1pc 
x EZ400PRO Tablet
1pc 
x Charger for Tablet
1pc 
x Charger US Adapter 
1pc 
x Charger EU Adapter
1pc 
x MicroUSB Cable
1pc 
x Tool Case
1pc 
x Certificate of Quality
1pc 
x Packing List
1pc 
x User Manual
1pc 
x Carton
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