Xtool EZ400PRO - 2.3. Toolbar Function Buttons; 3. Vehicle Connection Diagnosis; 3.1. Vehicle Connection Test; 3.1.1. Wired Connection ①→② ③ ④

EZ400PRO Diagnosis System
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Click UPDATE after it connects with internet, then
you can download the latest diagnostic software
directly.
2.3. Toolbar Function Buttons
Function Buttons
Descriptions
Returns to previous interface
Returns to the main interface of Android System
Shows recently used applications
3. Vehicle Connection Diagnosis
3.1. Vehicle Connection Test
3.1.1. 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)
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EZ400PRO Mainframe ② Main Test Cable ③ OBDⅡ-16 ④ Vehicle
3.2. Precautions Before Use
3.2.1. The vehicle power supply has to meet the normal voltage limits DC4.8V---5V.