Introduction; Select Diagnostic Connector; Diagnostic Socket Location; Pin Definitions - Launch X-431 Manual

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Introduction

X-431 is the most advanced automobile
diagnostic unit in the world at present. Please
refer to X-431 User's Manual for its features,
hardware configuration, printer operation,
button description, conditions for test, etc.
Here we describe the operation procedure for
Russia VAZ diagnostic program.

Select Diagnostic Connector

At present, this diagnostic program can be used
to diagnose VAZ vehicle up to 2004 with 12PIN
diagnostic socket or 16PIN OBDII diagnostic
socket. So, select [VAZ-12PIN] diagnostic
connector when testing VAZ vehicles with
12PIN diagnostic socket; and select [Smart
OBDII] diagnostic connector when testing VAZ
vehicles with 16PIN diagnostic socket.

Diagnostic Socket Location

The Diagnostic socket is located in glove
compartment for VAZ2108-09 and down to
steering wheel for VAZ2110.

Pin Definitions

VAZ 12PIN Diagnostic Socket
The VAZ 12PIN diagnostic socket is as shown in
Fi g ure 01.
Figure 01
PIN defi n i t i o n of VAZ 12PIN diagnostic socket
PIN
A
B
L
M
VAZ 16PIN Diagnostic Socket
Definition
Body ground
L-LINE
K-LINE
K_LINE
X-431 Russia VAZ Diagnosis
PIN
4
7
16

Connection

Refer to Figure 03 for connection before
performing diagnosis.
??Select diagnostic connect according to the
mode of the diagnostic socket of the vehicle
to be tested.
??Insert the C F card into the CF card slot,
(Note: keep the face labeled " UPSIDE"
upward), and make sure the card is fully
seated.
??Insert one end of the main cable into the
diagnostic socket on SMARTBOX.
??Connect the other end of the main cable to
the selected diagnostic connector.
??Connect the other end of the diagnostic
connector to VAZ 12PIN or 16PIN
diagnostic socket.
Note:
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
Figure 02
Definition
Body ground
ISO9141-2 K-LINE
Battery +
To vehicle
diagnostic
socket
Figure 03