Silverado VS70 User Manual

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Table of Contents

2. Safety Information ................................................ 5

2.1 Conventions Used ...................................... 5

2.2 Important Safety Instructions ...................... 5

3. Using This Manual ............................................... 7

4. Introduction .......................................................... 8

4.1 About OBDII/EOBD .................................... 8

4.2 About the Code Reader ............................ 11

5. OBDII/EOBD Diagnosis ..................................... 16

5.1 Reading DTCs .......................................... 17

5.2 Clearing DTCs .......................................... 18

5.3 Viewing Datastream ................................. 20

5.4 Viewing Freeze Data ................................ 20

5.5 Reading I/M Readiness Status Data ........ 21

5.6 Reading Vehicle Information .................... 24

5.7 Exiting Test ............................................... 25

6. Updating the Code Reader ................................ 26

7. Troubleshooting ................................................. 28

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

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2. Safety Information

For your safety, and to prevent damage to the equipment and vehicles, read this manual thoroughly before operating your VS70 code reader. The safety messages presented below and throughout this user’s manual are reminders to the operator to exercise extreme care when using this device. Always refer to and follow safety messages and test procedures provided by the manufacturer of the vehicle or equipment being tested. Read, understand and follow all safety messages and instructions in this manual.

2.1 Conventions Used

We provide safety messages to help prevent personal injury and equipment damage. Below are signal words we used to indicate the hazard level in a condition.

No. Si

nal Word Hazard Level

Indicates an imminently hazardous

Indicates a potentially hazardous

situation which, if not avoided, will result in death or serious injury to the o

erator or to bystanders.

situation which, if not avoided, could result in death or serious injury to the operator or to b

situation which, if not avoided, may result in moderate or minor injury to the o

erator or to bystanders.

standers.

2.2 Important Safety Instructions

And always use your code reader as described in the user’s manual, and follow all safety messages.

interfere with driving controls.

specified in this user’s manual.

your eyes from propelled objects as well as hot or caustic

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

Do not route the test cable in a manner that would

Do not exceed voltage limits between inputs

Always wear ANSI approved goggles to protect

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liquids.

acid, refrigerant and other debris produced by a malfunction engine can cause serious injury or death. Do not use code reader in areas where explosive vapor may collect, such as in below-ground pits, confined areas, or areas that are less than 18 inches (45 cm) above the floor.

near the vehicle while testing and keep all sparks, heated items and open flames away from the battery and fuel / fuel vapors as they are highly flammable.

gasoline, chemical and electrical fires in work area.

speed when an engine is running and keep a safe distance from these parts as well as other potentially moving objects to avoid serious injury.

when an engine is running to avoid severe burns.

running. Put the transmission in park (for automatic transmission) or neutral (for manual transmission). And never leave a running engine unattended.

working on engine.

disconnecting the code reader.

Fuel, oil vapors, hot steam, hot toxic exhaust gases,

Do not smoke, strike a match, or cause a spark

Keep a dry chemical fire extinguisher suitable for

Always be aware of rotating parts that move at high

Do not touch engine components that get very hot

Block drive wheels before testing with engine

Do not wear jewelry or loose fitting clothing when

Make sure to turn off ignition before connecting or

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

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3. Using This Manual

We provide instructions for the usage of your code reader in this manual. Below is a list of conventions we used in the manual.

Safety Information See

Safety Information

Bold Text Bold emphasis is used in procedures to highlight selectable items such as buttons and menu options. Example: Use the SCROLL key to select the desired measurement unit.

Bold-Italic Text Bold-italic text is used in the procedures to highlight the menus on the code reader screen. Example:

Use the SCROLL key to select Language from

Setup

screen.

Symbols and Icons √ Check Note Additional information about the subject in the preceding paragraph is introduced by a √ Check Note. Example:

√ The code reader is set to display English menus by

default.

● Solid Spot Operation tips and lists that apply to specific tool are introduced by a solid spot ●. Example:

System Setup

IMPORTANT IMPORTANT indicates a situation which, if not avoided, may

result in damage to the test equipment or vehicle. Example:

IMPORTANT Do not soak keypad as water might find its

way into the code reader.

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

allows you to:

● Select menu languages.

● Change measurement unit.

● Adjust display contrast.

on page 5-6.

System

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NOTE NOTE provides helpful information such as additional

explanations, tips, and comments. Example:

NOTE Not all data are supported by all vehicles.

Screens Some help messages, information, and data displayed on the code reader are also shown in graphical text boxes. The screens presented are examples only and actual test screens may vary for each vehicle being tested. Example:

Arrow Icon An arrow icon indicates a procedure. Example: To change menu language:

1. Use the SCROLL key to select Language from

Setup

2. Press the YES/NO key to confirm.

Diagnostic Menu

Read Codes

Erase Codes Live Data Freeze Data

System

screen.

4. Introduction

VS70 is developed by the most distinguished mind of the industry. It is specially designed to read/clear codes, read live data, retrieve freeze data and request vehicle information on OBDII/EOBD compliant cars, SUVs, light-duty truck and mini-vans sold worldwide since 1996.

4.1 About OBDII/EOBD

What is OBD?

The first generation of On-Board Diagnostics or OBD I was

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

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introduced in early 1980's to control engine functions and diagnose engine problems by vehicle manufacturers. As the OBDI lacked standardization of protocols and interface, it allowed different interpretations among vehicle manufacturers. OBDII, the second generation On-Board Diagnostics, improved in both capability and standardization, is a system developed in mid 1990’s by the Society Automotive Engineers (SAE) to standardize automotive electronic diagnosis. EOBD is European version of OBDII required in Europe since 2001. The OBDII standard specifies:

● A generic diagnostic port (Data Link Connector) and

its pinout;

● The protocols and the messaging format;

● A standard list of vehicle parameters identifications;

● A standard list of diagnostic trouble codes (DTCs);

Data Link Connector

The Data Link Connector (DLC) is a standard 16-pin interface located under the dashboard on the driver's side of the passenger compartment. If the DLC is not located under the dashboard as stated, a decal describing its location should be attached to the dashboard in the area where the DLC should have been located.

NOTE On some Asian and European vehicles the DLC is located behind the “ashtray”, which must be removed to access it, or on the far left corner of the dash. If the DLC cannot be found, consult the vehicle’s service manual for the location.

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Diagnostic Trouble Codes (DTCs)

Diagnostic Trouble Codes (DTCs) are faults stored by vehicle computers when problems that affect engine performance and emissions are detected. DTCs are used to help identify the cause of a trouble or troubles with a vehicle, and determine the fault location(s). DTCs consist of a five-digit alphanumeric code. Please see below for the DTCs format and code types.

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4.2 About the Code Reader

Code Reader Controls

A. OBD II Cable - provides communication for vehicle DLC. B. LCD Display – shows menus, test results and operation tips. C. YES/NO Key – confirms an action or returns to previous

screen or level.

D. SCROLL Key - moves selection up or down. Also, press it to

enter system setup menu from home screen. E. USB Port – provides a USB connection for the PC or laptop. F. Rear Decal – provides serial number of code reader.

IMPORTANT Do not use solvents such as alcohol to clean keypad or display. Use a mild nonabrasive detergent and a soft cotton cloth. IMPORTANT Do not soak keypad as water might find its way into the code reader.

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

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Accessories Included

No. Part Description

1 User’s Manual

2 USB Cable

Provides operation instructions for the usage of code reader.

Provides USB communication for updates of software and DTCs.

Specifications

No. Item Specification

1 Display

Working

Temperature Storage

Temperature

4 Power 8-18 Volts powered by vehicle battery

Dimensions

(L*W*H)

6 Weight 300g

Backlit, 128 x 64 pixel display with contrast ad

0 to 60℃ (32 to 140℉)

-20 to 70℃ (-4 to 158℉)

120*75*20mm (4.7*2.96*0.78in)

ustment.

Display Indicators

Below is a list indictors used to help navigate through menus.

No. Indicator Description

1 $ Indicates the control unit number.

Indicates more than one screen of information is available.

Power

The code reader is powered up by vehicle battery.

√ Refer to Code Reader Does Not Power Up in section 7.2

on page 29 of Troubleshooting if there are problems.

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To power up the code reader:

1. Locate the diagnostic interface on vehicle.

2. Plug in the code reader’s OBDII connector to the DLC.

NOTE A plastic DLC cover may be found on some vehicles. Remove the cover before plugging the OBD2 cable.

System Setup

To do system setup:

1. Press the SCROLL key to enter

Changing Language

To change menu language:

1. Use the SCROLL key to pick Language from

2. Press the YES/NO key to confirm.

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

allows you to:

●

Select menu languages.

● Change measurement unit.

● Adjust display contrast.

√

System Setup

existing setups are made.

home screen.

settings remain until change to the

System Setup

Language

Measurement Unit Contrast Exit

√

Follow on-screen instructions to program the code

reader to meet your specific needs.

√ The code reader is set to display English menus by

default.

Setup

screen.

from

System

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3. Use the SCROLL key to select desired language.

4. Press the YES/NO key to save language setting and

Changing Measurement Unit

√ Metric is the default measurement unit.

To change measurement unit:

1. Use the SCROLL key to select Measurement Unit from

2. Press the YES/NO key to confirm.

3. Use the SCROLL key to select desired measurement

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

System Setup

Language

Measurement Unit Contrast Exit

Language

English

Espanol Francais

return.

System Setup

screen.

System Setup

Language

Measurement Unit

Contrast Exit

unit.

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4. Press the YES/NO key to save measurement setting

Adjusting Display Contrast To adjust display contrast:

1. Use the SCROLL key to select Contrast from

2. Press the YES/NO key to confirm.

3. Use the SCROLL key to adjust contrast.

4. Press the YES/NO key to save contrast setting and

Exiting System Setup To quit system setup:

1. Use the SCROLL key to move Exit from

2. Press the YES/NO key to confirm and exit.

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

Measurement Unit

English

Metric

and return.

Setup

screen.

System Setup

Language Measurement Unit

Contrast

Exit

Contrast

Contrast (30%)

[SCROLL] – Adjust [YES/NO] – Save

return.

screen.

System Setup

System

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System Setup

Language Measurement Unit Contrast

Exit

5. OBDII/EOBD Diagnosis

Diagnostic Menu

● Read DTCs.

● Clear DTCs.

● View live datastream.

● View freeze data.

● Retrieve vehicle information.

√ The code reader detects the communication protocol

when it is connected to the vehicle and uses the protocol throughout the testing till another vehicle is diagnosed.

√ If the code reader fails to communicate with the vehicle a

“Communication Error!” message displays. Make sure the OBDII connector is securely attached, and the ignition key is on. Turn vehicle key to off for 10 seconds, then on. If problem still exists, refer to “Error Messages” on page 33 of Troubleshooting.

√ When the code reader links to vehicle, it checks the

status of I/M Monitors, and gives a summary report on the display as illustrated below.

√ If vehicle is equipped with more than one computer

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

allows you to:

System Status

Code Found 3 Monitors N/A 4 Monitors OK 4 Monitors INC 3

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module (for example a powertrain control module [PCM] and a transmission control module [TCM]), the code reader identifies them by their identification names (ID) assigned by manufacturer (i.e. Engine or A/T).

√ Use the SCROLL key to select a control module where

the data may be retrieved when more than one module is detected.

Control Module

Engine

A/T

Exit

√ To view information of other control unit quit current test

and select another module.

5.1 Reading DTCs

The

Read Codes

codes), which are used to help identify the cause of a trouble or troubles with a vehicle, and pending codes from the vehicle’s control modules.

√ When emission-related or drivability fault occurs the

control module illuminates the malfunction indicator lamp (MIL).

√ Pending Codes are also referred to as continuous

monitor or maturing codes that indicate intermittent faults. If the fault does not occur within a certain number of drive cycles (depending on vehicle), the code clears from memory. If fault occurs a specific number of times, the code matures into a DTC and the MIL illuminates or blinks.

√ This function can be performed with KOEO or KOER.

To read codes from vehicle control modules:

1. Press the YES/NO key to start diagnosis from home

screen.

2. Use the SCROLL key to select Read Codes from

Diagnostic Menu

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

function is used to read DTCs (stored

screen.

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Diagnostic Menu

Read Codes

Clear Codes Datastream Freeze Data

3. Press the YES/NO key to confirm.

4. View DTCs and their definitions.

√ If no DTCs are present a message stating “No (Pending)

√ If any manufacturer specific or enhanced codes detected,

√ If manufacturer of the vehicle being tested is not list,

5. Press the YES/NO key to return to

$10 1/2

P0101 Generic Mass or Volume Air Flow A Circuit Range / Performance

Codes Found” is displayed.

a “Manufacturer specific codes are found! Press any key to select vehicle make!” message displays prompting you to select vehicle make before viewing DTC(s).

select Other.

screen.

Diagnostic Menu

5.2 Clearing DTCs

The

Clear Codes

Readiness data from vehicle’s control module(s). It may also erase freeze data, and set monitors to incomplete or not ready.

√ Perform

been checked completely.

√ After servicing the vehicle, erase stored DTCs and verify

no codes have been reset. If a DTC returns, problem

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

function is used to delete DTCs and I/M

Clear Codes

function only after systems have

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has not been fixed or other faults are present.

√ Depending on which monitor sets a code the vehicle may

need to be driven and the monitor ran before concluding that the fault is repaired.

√ This function is performed with KOEO. Do not start the

engine.

To erase codes from vehicle control modules:

1. Use the SCROLL key to select Clear Codes from

Diagnostic Menu

Read Codes

Clear Codes

Datastream Freeze Data

2. Press the YES/NO key to confirm.

3. If codes and diagnostic results are to be cleared, use

the SCROLL key to select YES and press the YES/NO key.

√ If codes and test data not to be deleted, select NO, and a

4. Wait a few seconds until a “Codes Cleared!” message

√ If the code reader fails to clear the codes, a “Clear Error!

5. Wait a few seconds or press any key to return to

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

Clear Code

“Command Cancelled!” message displays prompting to press any key to return to

shows indicating codes are cleared successfully.

Turn Key on with Engine off!” message displays.

Diagnostic Menu

screen.

Are You Sure to

Clear Codes?

<YES> NO

Diagnostic Menu

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5.3 Viewing Datastream

The

Datastream

vehicle’s electronic control unit’s PID data, including sensor data, operation of switches, solenoids and relays.

To view live datastream:

1. Use the SCROLL key to select Datastrean from

Diagnostic Menu

2. Press the YES/NO key to confirm.

3. View PIDs on code reader. Use the SCROLL key when

more than one screen of information is retrieved.

√ Some vehicle may not support this function, and a “Not

Support This Function!” message display.

4. Press the YES/NO key to return.

function allows real time viewing of the

screen.

Diagnostic Menu

Read Codes Clear Codes

Datastream

Freeze Data

Datastream

DTC_CNT 2

LOAD_PCT % 0.0

ETC ℉ 171 RPM/min 0

5.4 Viewing Freeze Data

The

Freeze Data

snapshot of vehicle operating conditions recorded by the on-board computer at the time of an emission-related fault.

√ If codes were cleared, freeze data may not be stored in

vehicle memory depending on vehicle.

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

function is used to view freeze frame data, a

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To view freeze frame data:

1. Use the SCROLL key to select Freeze Data from

Diagnostic Menu

Read Codes Clear Codes Datastream

Freeze Data

2. Press the YES/NO key to confirm.

3. View freeze frame data on screen. If more than one

screen of information is retrieved, use the SCROLL key to view additional data.

√ If no freeze frame detected, a “No Freeze Data Found!”

√ Some vehicle may not support this function, and a “Not

4. Press the YES/NO key to return to

Freeze Data

DTCFRZF P0157 FUELSYS1 OL FUELSYS2 OL

LOAD_PCT (%) 0.0

message displays.

Support This Function!” message display.

screen

Diagnostic Menu

5.5 Reading I/M Readiness Status Data

The

I/M Readiness

operations for the emission system on OBDII/EOBD vehicles.

√ I/M Readiness is a useful function used to check if all

monitors are OK or N/A.

√ The vehicle’s computer performs tests on the emission

system during normal driving conditions. After a specific amount of drive time (each monitor has specific

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

function is used to view a snapshot of the

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driving conditions and time required), the computer’s monitors decide if the vehicles emission system is working correctly. When the monitor’s status is:

● OK - vehicle was driven enough to complete the

monitor.

● INC (Incomplete) - vehicle was not driven enough to

complete the monitor.

● N/A (Not Applicable) - vehicle does not support that

monitor.

√

I/M Readiness

KOEO.

√ There are two types of I/M Readiness tests:

● Since DTCs Cleared - shows status of the monitors

since the DTCs were last cleared.

● This Drive Cycle - shows status of monitors since the

start of the current drive cycle.

√ Below is a list of abbreviations and names of OBD II

monitors supported by the code reader.

No.

bbreviation Name 1 Misfire Monitor Misfire Monitor 2 Fuel System Mon Fuel System Monitor

Comp.

Com

onent 4 Catalyst Mon Catalyst Monitor 5 Htd Catalyst Heated Catalyst Monitor

Evap System

Mon 7 Sec Air System Secondary Air System Monitor 8

/C Refrig Mon

Oxygen Sens 9

Mon 10 Oxygen Sens Htr Oxygen Sensor Heater Monitor

EGR System 11

Mon

NOTE Not all monitors are supported by all vehicles.

To retrieving I/M Readiness Status data:

1. Use the SCROLL key to select I/M Readiness from

Diagnostic Menu

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

function is performed with the KOER or

Comprehensive Components Monitor

Evaporative System Monitor

ir Conditioning Refrigerant Monitor

Oxygen Sensor Monitor

Exhaust Gas Recirculation System Monitor

screen.

Diagnostic Menu

I/M Readiness

Vehicle Information Exit

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2. Press the YES/NO key to confirm. √ If vehicle supports both types of monitors, please

following screen:

√ Use the SCROLL key to select a monitor type and press

3. Depending on readiness test, one of these 2 screens

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

I/M Readiness

Since DTCs Cleared

This Drive Cycle Exit

the YES/NO key to confirm.

will be present.

Since DTCs Cleared

MIL Status OFF Misfire Monitor N/A Fuel System Mon N/A Comp. Component OK

This Drive Cycle

MIL Status OFF Misfire Monitor N/A Fuel System Mon N/A Comp. Component OK

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√ If more than one screen of information is retrieved, use

the SCROLL key to view additional data.

√ Some vehicle may not support this function, and a “Not

Support This Function!” message display.

4. Press the YES/NO key to return to

Diagnostic Menu

5.6 Reading Vehicle Information

The

Vehicle Information

VIN number, calibration ID(s) which identifies software version in vehicle control module(s), calibration verification numbers (CVN(s)) and in-use performance tracking on model year 2000 and newer OBD II compliant vehicles.

√ CVNs are calculated values required by OBD II

regulations. They are reported to check if emission-related calibrations have been changed. Multiple CVNs may be reported for a control module. It may take several minutes to do the CVN calculation.

√ In-use performance tracking tracks performance of key

readiness monitors.

To request vehicle information:

1. Use the SCROLL key to select Vehicle Information from

Diagnostic Menu

I/M Readiness

Vehicle Information

Exit

2. Press the YES/NO key to confirm.

3. Wait a few seconds or press YES/NO key to continue.

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

function is used to request the vehicle’s

screen.

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√ Some vehicle may not support this function, and a “Not

4. Use the SCROLL key to select an available item from

5. Press the YES/NO key to view retrieved information.

6. Press the YES/NO key return. NOTE Not all data is supported by all vehicles.

Vehicle Information

Turn Key on

with Engine off!

Any key to continue.

Support This Function!” message display.

Vehicle Information

Calibration ID

Cal. Verif. Number Exit

screen.

Calibration ID

Cal ID1: 09G927750EK_0706

5.7 Exiting Test

To exit OBDII test:

1. Use the SCROLL key to select Exit from

screen.

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

Diagnostic

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Diagnostic Menu

I/M Readiness Vehicle Information

Exit

2. Press the YES/NO key to confirm.

3. To quit test, use the SCROLL key to select YES and

press YES/NO key.

√ If not to exit, use the SCROLL key the select NO and

Exit Test

Are You Sure to

Exit Test?

<YES> NO

press the YES/NO key.

6. Updating the Code Reader

VS70 is able to be updated to keep you stay current with the latest development of diagnosis.

√ The update of VS70 consists of two parts: program

upgrade and DTC upgrade.

√ To update the code reader, you need following tools:

● VS70 Code Reader

● Update Tool FoxLink

● PC or Laptop with USB Ports and Internet Explorer

● USB Cable

√ To be able to use update tool, PC or laptop must meet

the following minimum requirements:

● Operation System: Win98/NT, Win ME, Win2000, Win

XP, VISTA and Windows 7.

● CPU: Intel PIII or better

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

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● RAM: 64MB or better

● Hard Disk Space: 30MB or better

● Display: 800*600 pixel, 16 byte true color display or

better

● Internet Explorer 4.0 or newer

IMPORTANT Do not disconnect the code reader from

To update program:

1. Download the update tool FoxLink and update files from

our site

www.silverado.com.cn and save the applications and

files in computer disk.

2. Unzip the update tool file. Follow instructions on

computer screen to install the tool and driver.

3. Double click the desktop icon to launch the

application.

4. Connect VS70 to computer with the USB cable provided

and the application detect the device automatically.

5. Use <Select File> to locate update file downloaded.

6. Click <Update> to start updating.

To update DTCs:

√ It may takes several minutes to update the DTCs.

1. Use <Select File> to locate update file downloaded.

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10

computer, or power off the computer during the process of updating.

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2. Click <Update> to start updating.

7. Troubleshooting

7.1 Error Message

When a “Communication Error!” message displays, please check the following:

● Verify ignition key is in the ON position.

● Make sure the code reader is correctly attached to

vehicle’s Data Link Connector (DLC).

● Check DLC for cracked or recessed pins, or for any

substance that could prevent a good electrical

connection.

● Check VS70’s OBDII connector for bent or broken

pins.

● Make sure the vehicle is OBDII/EOBD compliant.

● Cycle the vehicle key to OFF for 10s and then back to

ON.

● Verify battery voltage is at least 8.0V with KOEO.

● Verify that the control module is not defective.

7.2 Code Reader Does Not Power Up

If VS70 will not power up, communicate with vehicle’s control module, or functions incorrectly in any other way, do the following:

● Check DLC for broken or bent pins and clean the pins

if need be.

● Make sure VS70 is correctly connected to vehicle’s

DLC.

● Verify battery voltage is at least 8.0V with KOEO.

VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10