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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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Summary of Contents for Silverado VS70
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Page 1: Table Of Contents
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... -
Page 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. - Page 3 (for manual transmission). And never leave a running engine unattended. Do not wear jewelry or loose fitting clothing when working on engine. Make sure to turn off ignition before connecting or disconnecting the code reader. VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10...
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Page 4: Using This Manual
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... -
Page 5: Introduction
2. Press the YES/NO key to confirm. 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. - Page 6 “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. VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10...
- Page 7 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. VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10...
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Page 8: About The 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... - Page 9 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. VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10...
- Page 10 √ The code reader is set to display English menus by default. To change menu language: System 1. Use the SCROLL key to pick Language from Setup screen. 2. Press the YES/NO key to confirm. VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10...
- Page 11 1. Use the SCROLL key to select Measurement Unit from System Setup screen. 2. Press the YES/NO key to confirm. System Setup Language Measurement Unit Contrast Exit 3. Use the SCROLL key to select desired measurement unit. VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10...
- Page 12 4. Press the YES/NO key to save contrast setting and return. Exiting System Setup To quit system setup: 1. Use the SCROLL key to move Exit from System Setup screen. 2. Press the YES/NO key to confirm and exit. VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10...
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Page 13: Obdii/Eobd Diagnosis
I/M Monitors, and gives a summary report on the display as illustrated below. System Status Code Found Monitors N/A Monitors OK Monitors INC √ If vehicle is equipped with more than one computer VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10... -
Page 14: Reading Dtcs
√ 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 screen. VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10... -
Page 15: Clearing Dtcs
√ Perform Clear Codes function only after systems have 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... - Page 16 √ If the code reader fails to clear the codes, a “Clear Error! Turn Key on with Engine off!” message displays. 5. Wait a few seconds or press any key to return to Diagnostic Menu VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10...
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Page 17: Viewing Datastream
√ 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... -
Page 18: Reading I/M Readiness Status Data
√ 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... - Page 19 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 screen. Diagnostic Menu VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10 I/M Readiness Vehicle Information Exit...
- Page 20 3. Depending on readiness test, one of these 2 screens will be present. Since DTCs Cleared MIL Status Misfire Monitor Fuel System Mon Comp. Component This Drive Cycle MIL Status Misfire Monitor VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10 Fuel System Mon Comp. Component...
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Page 21: Reading Vehicle Information
1. Use the SCROLL key to select Vehicle Information from Diagnostic Menu screen. 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... -
Page 22: Exiting Test
6. Press the YES/NO key return. NOTE Not all data is supported by all vehicles. 5.7 Exiting Test To exit OBDII test: Diagnostic 1. Use the SCROLL key to select Exit from Menu screen. VS70 OBDII/EOBD Code Reader User’s Guide_English Version_V1.10... -
Page 23: Updating The Code Reader
√ If not to exit, use the SCROLL key the select NO and 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. - Page 24 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.
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Page 25: Troubleshooting
● 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: ●...
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