- vchecker
Contents
1. urbo super a rger Boost SensorCA Circuit High Note HilThe first number is the DTC number the second number is the total of DTCs Select PEND DTC and press e key V checker will display the pending diagnostic trouble codes in the screen Press key to view the next DTC and Tt key for the previous one After reading the DTCs press gt key to return the main function menu for generic mode Erase DTC When the Code Reader s ERASE function is used to erase DTCs from the vehicle s on board computer manufacturer specific 16 V checker II Professi onal enhanced data are also erased Erasing DTCs does not fix the problem s that caused the code s to be set If proper repairs to correct the problem that caused the code s to be set are not made the code s will appear again and the check engine light will illuminate as soon as the vehicle is driven long enough for its Monitors to complete their testing If you plan to take the vehicle to a Service Center for repair DO NOT erase the codes from the vehicle s computer If the codes are erased valuable information that might help the technician troubleshoot the problem will also be erased Select 2 ERASE DTC in the main menu for generic mode and press e key V checker will erase the trouble codes lf the erase was successful a confirmation message shows on the LCD display Press the gt button to return to the main menu for generic2. mode On Erasing aa LEEY OTCs erased on ENG off V checker II Professi onal Data Stream The DATA SREAM function allows you to view the live data for some electronic controlled units DATA STREAM Status A value is displayed the live data of the corresponding parameter Complete NA Vehicle was driven enough to complete the monitor and vehicle does not support that parameter Not Completed NA vehicle was not driven enough to complete the parameter and vehicle does not support that parameter Select 3 DATA STREAM in the main menu for generic mode and press e key V checker will display the data stream The following figure is a example screen Press to view the next screen press 7 to view the previous screen Each screen will display the live data for 4 parameters 18 V checker II Professi onal Note only the supported data stream items will be displayed for the tested vehicles Freeze Frame Data View Freeze Data is a snapshot of the operating conditions at the time of an emission related fault Faults with higher priority can overwrite View Freeze Data Depending on when vehicle DTCs were last erased Freeze Frame Data may not be stored in vehicles memory Select 4 Freeze Frame Data in the main menu for generic mode and press lt key V checker will display a menu as shown below 1 Freeze OTC rame Data Select 1 Freeze DTC to view the st
3. set of testing procedures instructions and flow charts that must be followed to confirm the location of the problem This information is found in the vehicle s service manual Always refer to the vehicle s service manual for detailed testing instructions The Read Codes function allows the V checker to read the current Diagnostic Trouble Codes DTCs and Pending DTCs from the vehicle s computer modules Diagnostic Trouble Codes DTCs help determine the cause of a problem or problems with a vehicle 14 V checker II Professi onal Read Codes can be done with the Key On Engine Off KOEO or with the Key On Engine Running KOER Continuous monitor and maturing codes are other names for Pending Codes lf Pending Codes or faults occur a specific number of times depending on vehicle they mature into a DTC and the MIL lights or blinks lf a fault does not occur within a certain number of warm up cycles depending on vehicle the Pending Code or Diagnostic Trouble Code clears from vehicle s computer module Pending Code faults DO NOT automatically indicate a faulty component or system Select READ DTC in the main function menu of generic mode and then press lt key The screen will be displayed as follow select CURRENT DTC and press lt key V checker will display the current diagnostic 15 V checker II Professi onal trouble codes in the screen This is an example display PAs
4. Check for corrosion or broken connections Check for proper battery and charging system voltages Check all electrical wiring and harnesses for proper connection Make sure wire insulation is in good condition and there are no bare wires Make sure the engine is mechanically sound If needed perform a compression check engine vacuum check timing check 12 V checker II Professi onal if applicable etc Start the V checker 1 Turn the ignition off 2 Locate the vehicle s 16 pin Data Link Connector DLC 3 Connect the V checker cable connector to the vehicle s DLC The V checker will auto Start the following screen will be displayed Key on Press any key to diagnosis 4 Press any key to continue The V checker will check the communication protocol of the connected vehicle 5 After successful communication the screen will display the main menu as shown below JENNET LG Dir Protessor Hog Generic Mode Generic mode is used for common OBD2 13 V checker II Professi onal diagnosis for your vehicle no matter what is the make Select 1 Generic Mode in the main menu and then press e key The screen will display the main function menu for generic mode as shown in the figure below ELJ at a Stream Freeze Frame Data peal Sensor Test On Board Mon ttor Request Contrl Test ase il Read DTC Never replace a part based only on the DIC definition Each DTC has a
5. Table of Contents Safety Precautions 0 0 ee 2 About V CheCKeP oo cceseseeeeee 4 A DPMGCAUIONS 22ssceissciescsotsceiwonateonsesmnesmacntnenses 4 Available Functions eeeeeecceeeeeeeeeee 4 Main CALC Sarren 5 Appearance and Key Descriptions 6 Operation Instructions 7 About OBD2 ooo ecccceesssneecceceeesseees 7 Data Link Connector DLC Location 8 About DTCs ooo ceecceeessscceeeseesseees 9 Preparation for Testing c eee 11 Start the V checker wo eeeeeeeee 13 Generic NOG C xiesteeciec epee ites eed 13 READ VC asic sec tesesecesicceadataceseecssnssenaeandecsien 14 FP DICO erene ee ener tery ener E tre re 16 Data SEC AIM assis edie seen dreedevsdnecaes dees 18 Freeze Frame D ta reana 19 Oxy Sem SENSOR TCS li scatter decedecedecntansccn 20 Onboard Monitor cee eeeeecceeeeseeeeeeee 20 Request Control Test eee 21 ECU Information eeeeeeeeeee 21 Professor MOde ccccccessseeececcccceceeeeeeees 22 V checker II Professi onal Safety Precautions To avoid personal injury instrument damage and or damage to your vehicle do not use the V checker before reading this manual This manual describes common test procedures used by experienced service technicians Many test procedures require precautions to avoid accidents that can result in personal injury and or damage to your vehicle or test equipment Always read your vehicle s service manual and follow its safety precautions before and durin
6. ce Tracking Select 8 ECU Information in the main menu for generic mode and press e key V checker will display a menu as shown below 21 V checker II Professi onal ALLE on Cal ib Verification In use Perfo Tracking Select an item and then press lt key the screen will display the calibration ID as shown below Professor Mode The professor mode is different from the Generic Mode in the following 1 You must select a right model for the tested vehicle 2 The professor mode can read some manufacturer diagnostic trouble codes The operation procedures are the same as that for the generic mode Please refer to the Generic Mode section or follow the screen tips to perform test 22
7. cle and retrieving fault codes related to malfunctions in these systems Mechanical problems such as low oil level or damaged hoses wiring or electrical connectors can cause poor engine performance and may also cause a false fault code Fix any known mechanical problems before performing any test See your vehicle s service manual or a mechanic for more information Check the following areas before starting any test Check the engine oil power steering fluid transmission fluid if applicable engine coolant and other fluids for proper levels Top off low fluid levels if needed Make sure the air filter is clean and in good condition Make sure all air filter ducts are properly connected Check the air filter 11 V checker II Professi onal ducts for holes rips or cracks Make sure all engine belts are in good condition Check for cracked torn brittle loose or missing belts Make sure mechanical linkages to engine sensors throttle gearshift position transmission etc are secure and properly connected See your vehicle s service manual for locations Check all rubber hoses radiator and steel hoses vacuum fuel for leaks cracks blockage or other damage Make sure all hoses are routed and connected properly Make sure all spark plugs are clean and in good condition Check for damaged loose disconnected or missing spark plug wires Make sure the battery terminals are clean and tight
8. eric DTCs as well as their definitions 9 V checker II Professi onal are set by the Society of Automotive Engineers SAE Manufacturer Specific DTCs are codes that are controlled by the vehicle manufacturers The Federal Government does not require vehicle manufacturers to go beyond the standardized generic DTCs in order to comply with the new OBD2 emissions standards However manufacturers are free to expand beyond the standardized codes to make their systems easier to diagnose Body Chassis Powertrain Network Generic Manufacturer Specific Generic Includes both Generic and Manufacturer Specific Codes Identifies the system where the problem is located 1 Fuel and Air Metering 2 Fuel and Air Metering injector circuit malfunction only ignition System or Misfire Auxiliary Emission Control System Vehicle Speed Control and Idle Control System Computer Output Circuits Transmission Transmission Identifies what section of the system is malfunctioning P0201 Injector Circuit Malfunction Cylinder 1 10 V checker II Professi onal The 3rd character is a numeric digit It identifies the specific system or sub system where the problem is located The 4th and 5th characters are numeric digits They identify the section of the system that is malfunctioning Preparation for Testing The V checker aids in monitoring electronic and emissions related faults in your vehi
9. es 300 mm of center of the panel on the driver s side of most vehicles It should be easily accessible and visible from a kneeling position outside the vehicle with the door open On some Asian and European vehicles the DLC is located behind the ashtray the ashtray must be removed to access it or on the far left corner of the dash If the DLC 8 V checker II Professi onal cannot be located consult the vehicle s service manual for the location About DTCs Diagnostic Trouble Codes DTCs are meant to guide you to the proper service procedure in the vehicle s service manual DO NOT replace parts based only on DTCs without first consulting the vehicle s service manual for proper testing procedures for that particular system circuit or component DTCs are alphanumeric codes that are used to identify a problem that is present in any of the systems that are monitored by the on board computer PCM Each trouble code has an assigned message that identifies the circuit component or system area where the problem was found OBD 2 diagnostic trouble codes are made up of five characters The 1st character is a letter It identifies the main system where the fault occurred Body Chassis Powertrain or Network The 2nd character is a numeric digit It identifies the type of code Generic or Manufacturer Specific Generic DTCs are codes that are used by all vehicle manufacturers The standards for gen
10. g any test or service procedure ALWAYS observe the following general safety precautions When an engine is running it produces carbon monoxide a toxic and poisonous gas To prevent serious injury or death from carbon monoxide poisoning operate the vehicle ONLY in a well ventilated area To protect your eyes from propelled objects as well as hot or caustic liquids always wear approved safety eye protection When an engine is running many parts such as the coolant fan pulleys fan belt 2 V checker II Professi onal etc turn at high speed To avoid serious injury always be aware of moving parts Keep a safe distance from these parts as well as other potentially moving objects Engine parts become very hot when the engine is running To prevent severe burns avoid contact with hot engine parts Before starting an engine for testing or trouble shooting make sure the parking brake is engaged Put the transmission in park for automatic transmission or neutral for manual transmission Block the drive wheels with suitable blocks Connecting or disconnecting test equipment when the ignition is ON can damage test equipment and the vehicle s electronic components Turn the ignition OFF before connecting the V checker to or disconnecting the V checker from the vehicle s Data Link Connector DLC To prevent damage to the on board computer when taking vehicle electrical measurements always use a di
11. gital multimeter with at least 10meg Ohms of impedance Fuel and battery vapors are highly flammable To pre vent an explosion keep all sparks heated items and open flames 3 V checker II Professi onal away from the battery and fuel fuel vapors DO NOT SMOKE NEAR THE VEHICLE DUR ING TESTING Don t wear loose clothing or jewelry when working on an engine Loose clothing can become caught in the fan pulleys belts etc Jewelry is highly conductive and can Cause a severe burn if it makes contact between a power source and ground About V checker Applications V checker is a powerful handy scanner designed for all OBD2 compatible vehicles produced after 1996 It is small in size robust in design competitive in price and easy to use This is a stand alone unit it does not need a laptop computer to operate Available Functions Display DTC descriptions in text mode Read DTC Erase DTC Data Stream Freeze Frame Data 4 V checker II Professi onal Oxygen Sensor Test On Board Monitor Request Control Test ECU Information Main Features Display DTC descriptions in text mode Read live data Support all four OBD2 protocols With professional mode With large DTC database Powered via diagnostic connector no additional power is needed Plug and play ease to use Turn off check engine light Display DTCs continuously High reliable and accurate V checker II Professi onal Appearance and Key Descr
12. iptions The appearance of a V checker is as shown in the above figure 1 2 3 n LCD screen 128 64 Diagnostic extension cable OBDII 16PIN t key select item or scroll to previous screen lt lt key confirm selection and enter cancel and return key select item or scroll to next screen 6 V checker II Professi onal Operation Instructions About OBD2 Federal law requires that all 1996 and newer cars and light trucks sold in the United States must be OBD 2 compliant this includes all Domestic Asian and European vehicles some 1994 and 1995 vehicles are OBD 2 compliant To find out if a 1994 or 1995 vehicle is OBD 2 compliant check the following The Vehicle Emissions Control Information VECI Label This label is located under the hood or by the radiator of most vehicles If the vehicle is OBD 2 compliant the label will state OBD Il Certified 2 Government Regulations require that all OBD 2 compliant vehicles must have a common sixteen pin Data Link Connector DLC V checker II Professi onal Some 1994 and 1995 vehicles have 16 pin connectors but are not OBD 2 compliant Only those vehicles with a Vehicle Emissions Control Label stating OBD Il Certified are OBD 2 compliant Data Link Connector DLC Location ari lt ai S Lasma LEFT CORNER OF DASH OF DASH The 16 pin DLC is usually located under the instrument panel dash within 12 inch
13. ored DTCs select 2 Freeze Frame Data to view the freeze data V checker II Professi onal Oxygen Sensor Test You can test the oxygen by using this function for your vehicle Select 5 Oxygen Sensor Test in the main menu for generic mode and press e key V checker will display a menu as shown below Select BANK 1 SENSOR 1 to test sensor 1 in bank 1 select BANK 1 SENSOR 2 to test sensor 2 in bank 1 Onboard Monitor Select 6 Onboard Monitor in the main menu for generic mode and press lt key V checker will display a screen like this one omponen t Han limit Test value Test Result Press lt to perform test for test ID 03 20 V checker II Professi onal Press to select previous test ID Press to select next test ID Press to cancel test and return Request Control Test Select 7 Request Control Test in the main menu for generic mode and press e key V checker will perform test for test ID 01 if the function can be supported by the tested system as shown in the figure below est ILD Bl Evaporat 1 We system leak test On commun boat Lon TESS fo start test Press e to return Test result PASS Please perform test according screen tips ECU Information With this function user can read the supported ID information of the tested module including Vehicle ID Calibration ID Calibration verification In Use Performan
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