Installation Manual

Diagnostic socket
(For connecting the diagnostic cable.)
DC-IN power jack
(For connecting the power adaptor
or cigarette lighter/battery clamps
cable to obtain power.
Data I/O port
Quick Start Guide
LAUNCH
VCI ModuleImportant Safety Precautions
How does X-431 V+ system work?
The VCI module works as a vehicle communication interface device,
which is used read the vehicle data and then send it to the handset via
BT/WLAN communication or data cable connection. The LEDs enable
you to easily identify the working status of the module.
Vehic le
Powe r
Blue tooth
USB
WIFI
To avoid personal injury, property damage, or accidental damage to the product, read all of the
information in this section before using the product.
Always perform automotive testing in a safe environment.
Wear an ANSI-approved eye shield when testing or repairing vehicles.
The vehicle shall be tested in a well ventilated work area, as engines produce various poisonous
compounds (hydrocarbon, carbon monoxide, nitrogen oxides, etc.)
Do not connect or disconnect while the ignition is on or the engine is running.
Put blocks in front of the drive wheels and never leave the vehicle unattended while testing.
Keep dry, clean, free from oil, water or grease. Use a mild detergent on a clean cloth to
clear the outside of the equipment as necessary.
Do not drive the vehicle and operate at the same time. Any distraction may cause an
accident.
Keep clothing, hair, hands, tools, test equipment, etc. away from all moving or hot engine parts.
Before starting the engine, put the gear lever in the Neutral position (for manual transmission) or
in the Park (for automatic transmission) position to avoid injury.
To avoid damaging or generating false data, please make sure the vehicle battery is
fully charged and the connection to the vehicle DLC (Data Link Connector) is clear and secure.
Automotive batteries contain sulfuric acid that is harmful to skin. In operation, direct contact
with the automotive batteries should be avoided. Keep the ignition sources away from the
battery at all times.
X-431 V+
X-431 V+
X-431 V+
X-431 V+
X-431 V+ Handset
(acts as the central processor
and monitor for the system.)
VCI Module
(For accessing vehicle data.)
Commercial Vehicle
Diagnostic Cable
2. Vehicle Connection 4. Start Diagnostics
3. Preparation
For new users, please follow the sequence below to get familiar with and start using
the handset.
Tap “Diagnostic”
Select vehicle*3
Select test system
Select test function
Select diagnostic
software version
Tap “LOGIN” to
register*1
Is VCI module
activated?
No
Tap “Update” to
update software*2
Yes
…… (Refer to
Section 1)
Register & Activate
OK
Notes:
1. This Quick Start Guide applies to the Commercial Vehicle Version of X-431 V+.
2. All pictures and illustrations herein are for reference purpose only. Due to continuing
improvements, actual product may differ slightly from the product described herein and
this Quick Start Guide is subject to change without notice. For more detailed operations,
please refer to User Manual.
Statement: LAUNCH owns the complete intellectual property rights for the software used by
this product. For any reverse engineering or cracking actions against the software, LAUNCH
will block the use of this product and reserve the right to pursue their legal liabilities.
Before diagnosing, please do the following:
1) Switch the ignition on.
2) The vehicle battery voltage range should be 11V~14V or 18V~30V.
3) Throttle should be in a closed position.
1. Locate vehicle’s DLC
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.
2. Vehicle connection
If the handset is testing vehicles equipped with OBD
II diagnostic socket, please use the diagnostic cable directly.
B. Non- For vehicles with non-OBD II diagnostic socket,
a non-16pin adaptor cable is required. In this case, the method used to connect
the VCI module to a vehicle's DLC depends on the vehicle's configuration as
follows:
A. OBD II Vehicle Connection:
OBD II Vehicle Connection:
*2. To perform
update, tap and
select “Update” from
the pull-down list.
*1. To register &
update, refer to
Section 1 in this
Quick Start Guide for
details.
*3. If you use
VINScan to diagnose
a passenger vehicle,
this step shall not
apply.
VCI Module
Diagnostic Cable
To vehicle’s DLC
Adaptor Cable
To AC Outlet
To Cigarette Lighter Receptacle
To Vehicle’s Battery
Power Adaptor
Cigarette Lighter
Battery Clamps Cable
A
B
C
(For Commercial Vehicles Version)
V+
It is defined as follows:
1. Vehicle: While the module is
communicating with the vehicle,
the LED lights up and flashes.
2. Power: It illuminates solid red
when the module is powered on.
3. BT: Blue indicates the module is
working in BT communication
mode.
4. I/O: It lights up when connected
to the handset via data cable.
5. Wireless: It lights up when the
module works as a WLAN
hotspot or network adaptor.
Vehicle
Power
BT
I/O
Wireless