Matco Tools Maximus 4.0 Quick Start Manual Download Page 2

2. Changing

 

Language

3. WLAN Setup

4. Register & Update

4. Register & Update(Cont.)

Step 1: 

On the Home screen, tap on 

“Maximus 4.0” to run the App, the 
following screen displays. Tap on 
“REGISTER UNIT”. 

Step 3: 

Tap on “RUN DIAGNOSTICS” 

button to launch diagnostics.

Step 5: 

Tap on “UPDATE” button (*Note: 

Red dot means new software is available).

Step 2: 

Tap on “ACTIVATE” button after 

information* is entered.(*Note: Serial 
number is a 12-digit number starting with 
98 – you can find it on the back of your tool. 
Verification code is an 8-digit number 
stored in the Private & Confidential sheet. 
Activation code is printed on the receipt, or 
ask your dealer for it.)

Step 6: 

Make sure all brands are selected, 

tap on “Install”.

Tap on “OK” button when update is 
complete. (*Note: Download and 
installation will take approximately 10 
minutes depending on the internet 
connection.)

Step 4: 

Tap on        on the top left-hand 

corner.

Maximus 4.0 supports multiple languages. To change the language of the tool, please do the 
following:
1. On the home screen, tap on Settings -> Language & Input -> Languages.
2. Tap on “Add a language”, and then choose the desired language from the list.
3. Tap and hold the desired language and drag it to the top of the screen and then release it, 

the system will change into the target language.

Once you're online, you can register your tool, update the diagnostic software and APK, surf 
the Internet and send email on your network. Follow the steps below to proceed:

->

, the tablet

, the tablet

1. On the home screen, select Settings

 

 

WLAN

.

2

Slide

 

the

 

WLAN

 

switch

 

to

 

ON

 

will

 

start

 

searching

 

for

 

all

 

available

 

wireless

 

networks.

3

Select

 

a

 

wireless

 

network. If

 

the

 

chosen

 

network

 

is

 

open

 

will

 

connect

 

automatically. If

 

the

 

selected

 

network

 

is

 

encrypted,

 

a

 

network

 

password

 

will

 

need

 

to

 

be

 

entered

.

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Quick Start Guide

MDMAX4

Note:

To enjoy more capabilities and functions, it is 
recommended you check for updates on a 
frequent basis and keep synchronized with the 
latest available software. 

Preparation

  Before diagnosing, please make sure the following:

s

  Switch the ignition on.

s

 

~ 14V or 18V ~ 30V

.

s

  

Throttle should be in a closed position. 

Vehicle

 

battery

 

voltage

 

range

 

should

 

be

 

11V 

Note: For more detailed operations, please refer to the In-App User Manual stored 
under “     (Toolbox)” -> “About” -> “User Manual”.

 

Pictures illustrated herein are for reference purpose only and this Quick Start Guide 
is subject to change without notice.

 

Maximus 4.0 supports three kinds of diagnosis approaches: Smart Diagnosis (MaxVIN), 
Manual Diagnosis and Remote Diagnosis.

Maximus VINSCAN:

Through simple Wi-Fi communication between the Maximus 4.0 tablet and VCI dongle, you 
can easily get the VIN (Vehicle Identification Number) information of the currently identified 
vehicle. Once the VIN is successfully identified, the system will retrieve it from the remote 
server and then guide you to vehicle information page without the necessity of step-by-step 
manual menu selection (Early model may need manual selection.). 

Remote Diagnosis: 

This option aims to help repair shops or professional technicians launch instant messaging 
and remote diagnosis, making the repair job getting fixed faster. 

Manual Diagnosis:

In this mode, you have to diagnose a vehicle by performing the menu-driven command 
manually. 

For new users, please follow the operation chart shown below to get familiar with and start 
using this tool.

5. Vehicle Connection

6. Start Diagnostics

Launch Maximus 4.0 
App

Select vehicle

Select software version
and touch on “OK”

Follow the prompts 
on the screen

1). OBD II Vehicle Connection

the vehicle’s OBD II DLC port.  

Connect one end of the OBD II extension cable to the OBD-16 connector, and the other end to 

A. For Passenger Cars:

B. For Commercial Vehicles:

2). Non-OBD II Vehicle Connection

VCI Dongle

VCI Dongle

OBD I Adapter

Battery Cable Clamps

Battery Cable Clamps

OBD II Extension Cable

Non-16pin Connector

To

 

Vehicle

s

 

Battery

To

 

Vehicle

s

 

Battery

Adapter Cable

To Vehicle’s DLC

To Vehicle’s DLC

If the power supply on vehicle diagnostic socket is insufficient or the power pin is damaged, 

you can get power in the following ways:

1. Locate Vehicle’s DLC Port 

The DLC (Data Link Connector) is typically a connector 

where diagnostic code readers interface with the 

vehicle's on-board computer. 

For commercial vehicles, it is generally located in the 

driver's cab. 

For passenger cars, it is usually located on driver’s side, 

about 12 inches away from the center of dashboard. See 

Figure DLC Location. 

2. Vehicle Connection

 

DLC Location

If the DLC cannot be found, refer to the vehicle’s service manual for the exact location.

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Quick Start Guide

MDMAX4

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