OBD2 V318 User manual

USER MANUAL
AUTOMOBILE OBD DIAGNOSTIC INSTRUMENT
V318

CONTENT
1. Product introduction
2. Matters needing attention
2.1 Tool description
2.2 Specification
2.3 Included accessories
2.4 Power supply of vehicle
2.5 Product Setup
2.6 Application range of vehicle
3. OBD II diagnosis
3.1 Read Codes
3.2 Erase Codes
3.3 View Freeze Frame
3.4 I/M Readiness
3.5 Read the vehicle information
3.6 Data stream
3.7 RealTime Curve
3.8 Oxygen sensor
3.9 Fuel Evaporation Control System
4 Diagnostic code query
5 Battery Voltage
6 Precautions
7 Disclaimer
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1. Product introduction
This is a gasoline car code reader，which
supports nine standard protocols of OBD
II/EOBD. Plug and play, can quickly read
the car's fault information and vehicle
parameters, is a more comprehensive
function of the fault diagnosis instrument.
Please read the product manual carefully
before using this product, thank you.
2. Matters needing attention
①Do not use abrasive cleaners to clean
this product.
② Do not let this product be heated or
close to the source of the fire.
③Do not expose this product to direct
sunlight for a long time.
④Do not try to disassemble this product
to make any modifications, because it does
not contain any maintenance components.
⑤Do not use this product in the room.
⑥ If you do not plan to use this product for
a long time, please store it in a dry
environment to avoid extreme temperature
and dust.
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2.1 Tool description
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1.
2
3
5 6
7
4
Diagnostic joint - Connect the decoder to
the vehicle data link connector (DLC).
2

2.2 Specification
2.
3
LCD display - Display the detection result.
3. I/M button- I/M READINESS KEY, Quick
checks state emissions readiness and
drive cycle verification.
4. Up roll button - Roll the menu and
submenu in menu mode.
5. ESC button - Cancel the selection (or
operation) in the menu or return to the
menu.
6. OK button - Confirm the selection (or
operation) in the menu.
7. Down roll button - Roll the menu and
submenu in menu mode.
Display: 160*128 dpi display, 1.8-inch
TFT color screen
Working temperature: 0~60℃(32~140℉)
Storage temperature: -20~70℃(-4~158℉)
External power supply: Vehicle batteries
supply 9.0 to 16.0V
Size: Length: 125*62*21mm

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2.3 Included accessories
2.4 Power supply of vehicle
Support Language：German, Dutch,
English, Spanish, French, Italian,
Russian, Chinese, Japanese, Korean.
User’s manual - Tool operating instruction
OBD2 wire - Supply power to the tool, and
communicate between tool and vehicle
Vehicle data link connector (DLC) supplies
the power to decoder. Open the decoder
by the following steps
Take down DLC cover plate from the
vehicle
Some vehicles have the plastic cover plate,
need to take down it before inserting OBD2
cable.
Insert OBD II wire to vehicle DLC.

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2.5 Product Setup
2.6 Application range of vehicle
Language: Select the required language.
Measurement unit: Set the measurement
unit as imperial or metric units.
This OBD II / EOBD decoder is specially
applied to all the vehicles that accorded
with OBD II standard, including the
vehicles for preparing the next generation
of protocols - controlling the area network
System Setup 1/2
Language
Unit Of Measure

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(have the capacity). All the vehicles selling
in USA as required by United States
Environmental Protection Agency, and
1996 newer (automobile) light trucks must
be accorded with OBD II standard.
Including all the domestic, Asian and
European vehicles.
A small amount of 1994 and 1995 petrol
vehicles are accorded with OBD II
standard. If need to verify if 1994 or 1995
vehicles are accorded with OBD II
standard, please check the vehicle
emission control information (VECI) label,
most vehicles are stuck this label under the
engine jacket or near the radiator. If the
vehicle is accorded with OBD II standard,
and then its label is marked with “OBD II
certification”. In addition, the government
laws and regulations require all the
vehicles that are accorded with OBD II
standard must have “General” 16 pin data
link connector (DLC).
If your vehicle is accorded with OBD II
standard, there must a 16 pin DLC (data
link connector) below the instrument panel,

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If decoder can not communicate with the
vehicle ECU (engine control unit),
3. OBD II diagnosis
1.
2.
3.
4.
5.
and a vehicle emission control information
label states the vehicle is accorded with
OBD II standard.
Turn off ignition switch.
Find the vehicle 16 pin data link
connector (DLC).
Insert OBD II wire to vehicle DLC.
Turn on ignition switch. Engine stops or
runs.
Press Return/Confirm button to enter
diagnostic menu. A series of OBD2
protocol information will be displayed on
the display screen, until the vehicle
protocol is detected.

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“Connection error!” will be displayed on the
display screen.
Confirm ignition switch is turned on;
Check if OBD II connector of decoder is
connected to vehicle DLC;
Confirm the vehicle is accorded with
OBD2 standard;
Turn off ignition switch and wait for 10
seconds. Turn on ignition switch again
If “Connection error” information still
appears, and then it may be the
communication between decoder and
vehicle has the problem. Please contact
the local dealer or the Customer Service
Department of the manufacturer for
getting the help.

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3.1 Read Codes
Press Up/Down button to select the read
code from diagnostic menu, and then press
Return/Confirm button.
Read DTC and its definition on the screen.
Control module No., diagnostic code order,
total numbers of code to be detected and
types of code (general or specified by
manufacturer, storage or code to be
processed) will be displayed on the upper
right corner of screen.
Read Codes
Erase Codes
View Freeze Frame
I/M Readiness
Vehicle Info.
Data Stream
RealTime Curve
Diagnostic Menu 1/9
P0230
Fuel Pump Primary Circuit
Trouble Codes 1/3

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If not detect the code, “Code is not stored in
module!” information is displayed on the
screen.
If the retrieved DTC contains any code
specified by manufacturer or the enhanced
codes, and then “Controlled by manufactur-
er” is displayed on the screen.
Caution: Delete the diagnostic code of
decoder may not only delete the code on
truck-mounted computer,but also delete
“Freeze Frame” data and the enhanced
data of the manufacturer. In addition, I/M
ready monitor status of all vehicle monitors
are reset as non-ready and non-finish state.
Do not delete the code before the
technicians check the system completely.
3.2 Erase Codes
Read Codes
Erase Codes
View Freeze Frame
I/M Readiness
Vehicle Info.
Data Stream
RealTime Curve
Diagnostic Menu 2/9

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If decide to delete the diagnostic code,
please press Up/Down button to select
“Delete the code” from the Diagnostic
menu, and then press Return/Confirm
button.
A warning message appears, and needs
you to confirm.
If go on deleting the code, please press
Return/Confirm button to delete.
∙If the code is deleted successfully, and then
“Delete is finished !” information is displayed
on the screen.
If the code is not deleted successfully, and
then “Delete is failed. Rotate the key in the
case of engine is turned off !” is displayed
on the screen. Wait for several seconds or
press any button to return to Diagnostic
menu.
Erase trouble codes!
Are you sure?
NO YES
Erase Codes

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If you want to continue to delete the code,
you can try to turn off the engine and
choose to clear the fault code when the
power is on.
The digital “x/x”on the upper right corner of
the screen show the total Frame coverage
of retrieved data on the screen and the
serial number of the current displaying data.
If no available Freeze Frame data, “Freeze
Frame is not stored” information will be
3.3 View Freeze Frame
Read Codes
Erase Codes
View Freeze Frame
I/M Readiness
Vehicle Info.
Data Stream
RealTime Curve
Diagnostic Menu 3/9
DTCFRZF
FUELSYS1
FUELSYS2
LOAD_PCT(%)
ETC(℃)
SHRTFT1(%)
SHRTFT1(%)
P0278
OL
OL
2.7
25
82.0
30.4
View Freeze Frame 1/13

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I/M Readiness 1/2
Since DTCs Cleared
This Drive Cycle
displayed on the screen.
I/M ready function is used to check the
operating situation of vehicle emission
system that is accorded with OBD2
standard. This is a very good function
before checking if the vehicle is accorded
with the state emission plan. Some newest
vehicles models may support two types of
I/M ready test:
If the vehicle supports two types of test. Two
types are displayed on the screen for
selecting.
If the vehicle supports I/M ready test, the
following information will be displayed on
the screen:
3.4 I/M Readiness

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Since DTCs Cleared 1/2
MIL Status
Misfire Monitor
Fuel System Mon
Comp.Component
Catalyst Mon
Htd Catalyst
EVAP System Mon
ON
OK
OK
OK
OK
OK
OK
This Drive Cycle 1/2
MIL Status
Misfire Monitor
Fuel System Mon
Comp.Component
Catalyst Mon
Htd Catalyst
EVAP System Mon
ON
N/A
N/A
OK
OK
OK
OK
The digital “x/x”on the upper right corner of
the screen show the total coverage of
retrieved data on the screen and the serial
number of the current displaying data.

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Vehicle Info 1/3
Vehicle ID Number
Calibration ID
Cal. Verif Number
Vehicle ID Number
VIN:
2HGES16684H90794
Vehicle information function can retrieve
vehicle identification number (VIN),
calibration sign, calibration verification
number (CVN) and the models above 2000
support the vehicle performance tracking of
mode 9.
In vehicle information menu, press Up/Down
button to select the available items you want,
and then press Confirm button.
3.5 Read the vehicle information
Read Codes
Erase Codes
View Freeze Frame
I/M Readiness
Vehicle Info.
Data Stream
RealTime Curve
Diagnostic Menu 5/9

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Data Stream 1/11
FUELSYS2
LOAD_PCT(%)
ETC(℃)
SHRTFT1(%)
LONGFT1(%)
SHRTFT2(%)
LONGFT2(%)
OL-D OL
10.6
70
-63.3
-59.4
-60.2
-60.2
3.6 Data stream
3.7 RealTime Curve
Read current engine data flow information
Read Codes
Erase Codes
View Freeze Frame
I/M Readiness
Vehicle Info.
Data Stream
RealTime Curve
Diagnostic Menu 6/9
Read Codes
Erase Codes
View Freeze Frame
I/M Readiness
Vehicle Info.
Data Stream
RealTime Curve
Diagnostic Menu 7/9

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Real Time Curve
Car Speed
1/4
Car Speed
Calculate Load Value
Engine Coolant Temp
Engine RPM
SPEED(km/h) 60
Press “Confirm” button to read speed
waveform display.
Press “Confirm” button to enter calculate load
value interface.
Real Time Curve
Calculate Load Value
2/4
Car Speed
Calculate Load Value
Engine Coolant Temp
Engine RPM
LOAD PCT(%) 52.2

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Diagnostic Menu 8/9
O2 Sensor
EVAP
3.8 Oxygen sensor
O2 Sensor 1/2
O2SLOC
O2B1S1(V)
O2B1S2(V)
O2B2S1(V)
O2B2S2(V)
O2B3S1(V)
O2B3S2(V)
B1S-23-B2S-2
0.515
0.490
0.495
0.495
0.500
0.800
According to the test result, you can use the
up/down buttons to view the current data flow.