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1. drive wheels 9 Always follow vehicle manufacture s warning and service procedures O6bopyaoBaHe ana aBTocepBuca 4 Website http www motodok com V Checker Code Reader User Manual 5 About OBD II OBD II stands for second generation onboard diagnostics OBD II is a system developed by Society of Automotive Engineers SAE to reduce engine emission and standardize automotive electronic diagnosis Beginning with the 1996 model year all domestic and import cars and light trucks sold in USA and Canada must be fully OBD II compliant 5 1 OBD II Terminology To better understand OBD II logic you should know a few basic terms and their definitions Powertrain Control Module PCM PCM is the on board computer controlling the engine management and emissions systems Some vehicles also have electronic transmission functions as part of the PCM responsibilities Malfunction Indicator Lamp MIL Malfunction Indicator Lamp is also called Check Engine or Warning Light The MIL illuminates when OBD II detects a failure of the emission related components and systems The MIL may come on immediately with some faults but may not come on with others until a failure has occurred on two or three consecutive trips The light will generally remain on until there are three consecutive trips without the fault reoccurring Monitor Monitors are a set of diagnostic evaluations OBD II runs these diagnostic tests to monitor the performance of the vehi2. is also a two trip monitor 3 Evaporative System EVAP Monitor This monitor is designed to monitor the evaporative emission control system The EVAP detects the level of hydrocarbon HC loss to prevent the HC vapors from evaporating into the atmosphere OBD II vehicle must be equipped with the EVAP system EVAP Monitor is a two trip monitor 4 Secondary Air System Monitor This monitor is designed to monitor the secondary air injection system The secondary air system injects air into the exhaust manifold to reduce cold start emissions The Secondary Air System Monitor is a two trip monitor OG6opyAoBaHve ana aBTOcepBuica 7 Website http www motodok com V Checker Code Reader User Manual 5 Air Conditioning A C System Refrigerant Monitor This monitor is designed to monitor the leaks of refrigerant in air conditioning system 6 Oxygen Sensor Monitor This monitor is designed to monitor the oxygen sensor The PCM checks the amplitude of the oxygen sensor signal to adjust the air fuel mixture Oxygen Sensor Monitor is a two trip monitor 7 Oxygen Sensor Heater Monitor This monitor is designed to monitor the oxygen sensor heater The PCM checks the performance of the oxygen sensor heater to ensure that it is heating the sensor during cold start conditions Oxygen Sensor Heater Monitor is a two trip monitor 8 Exhaust Gas Recirculation EGR Monitor This monitor is designed to monitor the Exhaust Gas Recirculation EGR system T
3. of the on board diagnostics Warm up Cycle A Warm up Cycle is defined as vehicle operation where coolant temperature must reach at least 160 F 70 C and rise at least 40 F 22 C 5 2 Diagnostic Trouble Code DTC An OBD II equipped vehicle will turn on the MIL and log a Diagnostic Trouble Code DTC if OBD II detects the degradation or failure of the emissions related components and systems The MIL may not come on when the vehicle fails a test for the first time Instead a Pending Code is set along with the related freeze frame data If the test fails on a second or even third consecutive trip however the MIL is illuminated and a DTC is stored A typical DTC is shown above It consists of five characters four digits proceeded by one letter The first letter indicates the main system where the fault is located Powertrain Body Chassis or Network The second character is a number and it identifies whether the code is an SAE standard O6bopyaoBaHe ana aBTocepBuca 9 Website http www motodok com V Checker Code Reader User Manual code Generic or manufacture specific code The remaining three numbers provide information regarding the sub system and section that are malfunctioning P0301 P Powertrain 5 Body C Chassis U Network 0 Generic 1 Manufacturer Specific Fuel and Air Metering Fuel and Air Metering Injector Circuit Malfunction only Ignition System or Misfire Auxiliary Emission
4. warranty applies only to the original purchaser and is not transferable O6opyaoBaHe ana abrocepauca 16 Website http www motodok com
5. will display No trouble code 7 Otherwise the first DTC will be displayed on the screen Press Y to read next DTC if there it is Press t to read last DTC Press come back to step 5 6 3 Erase Diagnostic Trouble Codes Try PWM mode Waitting 1 Generic Mode 2 Professor Mode 03 Chrysler 05 BMW 06 VW 1 Read DTC 2 Erase DTC 3 Data Stream 2 Pend DTC P0107 Manifold A bsolute Pressure Barometric Pres Sure Circuit EIE CAUTION When the Code Reader s ERASE function is used to erase the DTCs from the vehicles on board computer Freeze Frame data and manufacturer O6opyaoBaHe ana abrocepauca 13 Website http www motodok com V Checker Code Reader User Manual specific enhanced data are also erased and the I M Readiness Monitor Status for all vehicle Monitors is reset to not RUN or not COMPLETE status o 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 o Use your judgment and always keep the above in mind when erasing DTCs Erase clear Diagnostic Trouble Codes from the computer s memory as follows 1 Turn the ignition off Locate the 16Pin Data Link Press any key to Conmnector OBD DLC and plug into the V Checker A eee cable connector wait for the screen display that is shown Press any ke
6. 7 For Code Reader Calculated LOAD Value Engine Coolant T Emperature Ec User Manual htto www motodok com Table of Contents 1 Descriptio A A cadena castionas 2 e llo a do et do e ba de a te 2 AE A O 3 1 Connect Code Reader to Vehicle s Test Connector c oocccoccccnnoccccnocncinaannnnnrnnnnn 3 2 Read Diagnostic Trouble COUEBS cccccccccnccoconccoconcnnnonananncnncnncncnnnnnnonnnncnrnnnnnnnns 3 3 Read Engine Data SIM a avenue nd 4 A e o III 4 ADOBE ada 5 Sl OB DAE Te Mino ai A 5 5 2 Diagnostic Trouble Code DTi dios 9 6 How to Use the Code SCanner ceeecccceeeeeceeeeeeeeceeeeeeeeeeeeesesaaaeeeeeeaeaeeeeeneeaeeeeneas 10 6 1 ABOUT THE CODE READER cwviascycdacsiesiet not canderdadcninith ido 10 6 2 Read Diagnostic Trouble Code cccccceccceeeeenecceeeeeeeeeeesennaeeeeeeeeessennnaes 11 6 3 Erase Diagnostic Trouble Codes oooooooccccccccnconoconcncnnccccnnannnnnnncnnnnccnnnnnnoncnnnnos 13 6 4 Data Ol unto Enero SLI SINE 15 7 One Year Warranty a Ri to RA 16 V Checker Code Reader User Manual 1 Description All vehicles manufactured after 1996 are equipped with OBD II second generation On Board Diagnostics This change in vehicles has created a need for a tool to retrieve the diagnostic information for these newer vehicles The V Checker OBD II Code Reader is the tool you need to retrieve important repair information from your vehicle s computer system This sophisticated new tool detects f
7. Controls Vehicle Speed Control and Idle Control System Computer Output Circuits Transmission Transmission Identy the Fault Section A typical DTC is shown above It consists of five characters four digits proceeded by one letter The first letter indicates the main system where the fault is located Powertrain Body Chassis or Network The second character is a number and it identifies whether the code is an SAE standard code Generic or manufacture specific code The remaining three numbers provide information regarding the sub system and section that are malfunctioning 6 How to Use the Code Scanner 6 1 ABOUT THE CODE READER This OBD II Code Scanner is designed to read and clear vehicle s DTCs and Pending DTCs Read the engine current data check vehicle s Monitor status Since it O6opyaoBaHe ana aBTocepBuca 10 Website http www motodok com V Checker Code Reader User Manual supports all major OBD2 protocols ISO 1941 2 KWP2000 VPW and PWM you will be able to use it on any 1996 or newer car 6 1 1 Code Scanner Button Function 1 t Up or Page Up 2 y Down or Page Down 3 ox 4 amp Exit 6 1 2 DISPLAY FUNCTIONS P0107 ManifoldA Calculated LOAD bsolute Pressure Value Barometric Pres Engine Coolant T Sure Circuit Emperature TEC The graphic LCD can display graphics and letter in lattice 128x64 The DTC and the DTC content text all displayed in the screen 6 2 Read Diagnostic Trouble Co
8. ailures in various vehicle systems including fuel injection ignition catalyst and EGR If a problem is found the computer turns on the Check Engine light to warn the driver and sets a Diagnostic Trouble Code to identify the system or circuit where the problem is The V Checker OBD II Code Reader can read the data stream of the engine including engine speed calculated load value engine coolant temperature throttle open state preignition angel etc from this you can know the work status of you Car engine well 2 Features 1 Data stream read 2 DTC text content display backlit 4 line LCD display 3 Support 4 types of Standard OBD II protocol 4 Professor mode included 5 Data base of DTCs is expanded 6 Highly reliable and accurate 7 Easy to use with one plug in OGopy10BaHne JIA ABTOCepBuca 2 Website http www motodok com V Checker Code Reader User Manual 8 Works on all 1996 and newer cars amp trucks that are OBD II compliant 9 Automatic refresh updates data every 15 seconds when connected to the vehicle 10 Will clear and turn off Check Engine light 11 Stand alone unit with no need for an additional laptop computer to operate 12 Small in size and conveniently fits in your palm 13 Specially designed for DIYers and car owners 14 Safely communicates with the on board computer 15 No batteries needed power provided via detachable OBD II cable 16 One year warranty 3 Getting Started 1 Connect Code Read
9. cle s emissions related components and systems O6bopyaoBaHe ana aBTocepBuca 5 Website http www motodok com V Checker Code Reader User Manual Most diagnostic monitors do not turn the MIL on when the vehicle fails a test for the first time Instead a Pending Code is set along with the related freeze frame data If the test fails on a second or even third consecutive trip however the MIL is illuminated and a DTC is stored As of this writing there are only eleven Monitors in OBD II system and not all of these monitors apply to every vehicle Continuous Monitors The Continuous Monitors continuously monitor their related components and systems when the engine is in operation There are three Continuous Monitors Following is a brief explanation of each Continuous Monitor 1 Misfire Monitor Misfire Monitor is designed to continuously monitor engine misfire A misfire occurs while a lack of combustion or an instability of combustion Misfire Monitor detects engine misfire by checking crankshaft speed fluctuations Misfire Monitor is either a one trip or a two trip monitor 2 F uel System Monitor Fuel System Monitor is designed to continuously monitor fuel meter system This monitor checks the fuel system to optimize engine combustion condition by using the feedback from the oxygen and other sensors Fuel System Monitor is either a one trip or a two trip monitor 3 Comprehensive Component Monitor CCM CCM is designed to continuously mon
10. de 6 2 1 About Generic Mode and Professor Mode o Generic Mode In this mode the code reader will scan you car automatic you can t do the Erase DTC and Data Stream o Professor Mode In this mode you can choose which type of your car what are you want do Read DTC Erase DTC Data Stream which type of DTC 6 2 2 Before You Begin Fix any known mechanical problems before performing any test Perform a thorough vehicle inspection before starting any test procedures Loose or m h wiring or electrical conn rs are often r nsible for r engin O6opygosBanne ana aBTOCepBnCa 11 Website http www motodok com V Checker Code Reader User Manual performance and in some instances they may cause a false fault code Please read your vehicle s service manual for proper connection of vacuum hoses electrical wiring and wiring harness connectors Check the following areas o All fluid levels check the engine power steering transmission if applicable coolant and other engine fluids o Air cleaner and ducts check for holes rips cracks excessive dirt in filter and for disconnected ducts o Belts check for cracked torn brittle loose or missing belts o Mechanical linkage throttle gearshift position transmission etc associated with sensors refer to your vehicle s service manual for locations o Rubber and steel hoses vacuum fuel check for leaks cracks blockage or any other damage and for
11. er to Vehicle s Test Connector 1 Stop the car and apply the parking brake Turn the ignition key to the OFF position 2 Connect the Code Scanner to vehicle s 16 pin Data Link Connector DLC 3 Turn the ignition key to the ON position 2 Read Diagnostic Trouble Codes P0107 Manifold A e Choose Generic Mode or Professor Mode and bsolute Pressure then choose Read DTC Barometric Pres The codes and DTC text content are displayed on the Sure Circuit O6opygfoBaHve ana aBTocepBuca 3 Website htto Awww motodok com V Checker Code Reader User Manual Code Reader s LCD display screen 3 Read Engine Data Stream By choose Data Stream and start engine Calculated LOAD The car engine current data are displayed on the Code Value Engine Coolant T Reader s LCD display screen Emperature Ec 4 Safety Warning 1 Do all testing only in a well ventilated area 2 Do not smoke Keep sparks open flames away from fuel system and the battery 3 Always wear safety eye protection 4 Don t contact with hot engine parts 5 Keep people tools and test equipment away form moving parts 6 Turn the ignition OFF before connecting or disconnecting the scanner 7 Do not wear watches rings and loose clothing when working on the engine 8 Before performing any troubleshooting place the transmission in Neutral manual transmission or Park automatic transmission Apply the parking brake and block the
12. he ERG system helps reduce the combustion chamber temperature thereby reducing Nox emissions Exhaust Gas Recirculation EGR Monitor is a two trip monitor Enable Criteria Each Monitor has a certain number of conditions or driving procedures that need to be met before it is executed The requirements and conditions vary for each Monitor Some common Enable Criteria are engine speed engine temperature vehicle speed barometric pressure ECT MAF MAP IAT TPP canister purge fuel trim TCC enable and A C on signal Trip A Trip for a particular Monitor is a key on key off drive cycle allowing the vehicle to satisfy the Enable Criteria to run and complete its diagnostic testing Monitor Complete Monitor Not Complete O6opyaoBaHe ana aBTocepBuca 8 Website http www motodok com V Checker Code Reader User Manual Monitor Complete indicates the OBD II has utilized the particular Monitor to run and complete the required diagnostic testing on the related system and section That also means the Trip for that particular Monitor has run and completed Monitor Not Complete means the OBD II has not yet completed the required diagnostic testing for that particular Monitor OBD II Drive Cycle The OBD II Drive Cycle is a key on key off cycle that must satisfy all the Enable Criteria for all the applicable Monitors on a particular vehicle to run and complete their diagnostic testing The purpose of OBD II Drive Cycle is to run and complete all
13. ignition on then press any key to continue NOTE If the Code Reader is already connected and linked to the vehicle s computer proceed directly to step 5 If not continue to step 2 2 Now V Checker will scan 4 types of OBD Try PWM mode ee mw Waitting communication protocol please waiting iS ae 1 Generic Mode 3 After scanning is finished the screen will display the 2 Profesor Mode menu for test mode selection choose professor Mode then press O6bopyaoBaHe ana aBTocepBuca 15 Website http www motodok com V Checker Code Reader User Manual 4 V Checker will let you choose which type of your car 03 Chrysler 04 Benz 05 BMW is 06 VW l f 1 Read DTC 5 The screen should display the menu for function 2 Erase DTC 3 Data Stream selection Start engine then choose Data Stream 6 The current data of our car will be dispayed on the Calculated LOAD Value t y Engine Coolant T screen Use and to scroll screen Emperature Ec 7 One Year Warranty This OBD II Code Scanner has one year repair or exchange warranty for any defects in materials and workmanship This warranty does not apply to improperly installed handled abused damaged in crash nor to any unit that has been repaired by unauthorized agencies Under no circumstances will the buyer be entitled to consequential or incidental damages This limited warranty gives you specific legal rights you may have other rights that vary from state to state This
14. itor all electronic components and systems PCM checks all inputs and outputs to detect the malfunctions for lack of circuit continuity open circuit internal shorts short to ground and rationality out of range value CCM is either a one trip or a two trip monitor Non Continuous Monitors Non Continuous Monitors monitor their related O6opyAoBaHve ana aBTOcepBuca 6 Website http www motodok com V Checker Code Reader User Manual components and systems only under specific conditions Usually they run their diagnostic tests once per trip There are eight Non Continuous Monitors Following is a brief explanation of each Non Continuous Monitor 1 Catalyst Monitor This monitor is designed to monitor the conversion efficiency of the catalytic converter The catalytic convert installed downstream of the exhaust manifold is used to convert the exhaust pollutants HC CO and NOx into carbon dioxide CO2 water H2O and nitrogen PCM checks the catalytic converter by comparing the signal between the upstream and downstream O2 sensors Catalyst Monitor is a two trip monitor 2 Heated Catalyst Monitor This monitor is designed to monitor and optimize the performance of the heated catalytic converter The heated catalytic converter is similar to the catalytic converter described above The only difference is that a heater element is added so the heated catalytic converter can reach its operating temperature more quickly Heated Catalyst Monitor
15. proper routing o Spark plugs and wires check for damaged loose disconnected or missing spark plug wires o Battery terminals make sure battery terminals are clean and tight check for corrosion or broken connections Verify proper battery and charging system voltage o Electrical connectors and wiring make sure wire insulation is in good condition and there are no exposed wires o Verify that the engine is mechanically sound If necessary perform a compression check engine vacuum check timing check if applicable etc 6 2 3 Read Diagnostic Trouble Code 1 Turn the ignition off Locate the 16Pin Data Link Press any key to Conmnector OBD DLC and plug into the V Checker 7 Cla OG6opyAoBaHve ana aBTOcepBuca 12 Website http www motodok com V Checker Code Reader User Manual cable connector wait for the screen display that is shown Press any key to start diagnosis turn the ignition on then press any key to continue 2 Now V Checker will scan 4 types of OBD communication protocol please waiting 3 After scanning is finished the screen will display the menu for test mode selection press t and Y to choose the test mode you want then press 4 If you choose professor Mode V Checker will let you choose which type of your car is 5 The screen should display the menu for function selection Choose Read DTC 6 Choose All DTC or Pend DTC after communication if there isn t any DTC exists the screen
16. y to start diagnosis turn the ignition on then press any key to continue NOTE If the Code Reader is already connected and linked to the vehicle s computer proceed directly to step 5 If not continue to step 2 1 Now V Checker will scan 4 types of OBD Try PWM mode ai a Waitting communication protocol please waiting 1 Generic Mode 2 After scanning is finished the screen will display the gt Profonaor Moda menu for test mode selection choose professor Mode then press 03 Chrysler 04 Benz 3 V Checker will let you choose which type of your car 05 BMW 06 VW is O6bopyaoBaHe ana aBTocepBuca 14 Website http www motodok com V Checker Code Reader User Manual 1 Read DTC 2 Erase DTC 3 Data Stream 4 The screen should display the menu for function selection Choose Erase DTC 5 You can erase DTCs of your car DTCs erased 6 4 Data Stream The V Checker OBD II Code Reader can read the data stream of the engine including engine speed calculated load value engine coolant temperature throttle open state preignition angel etc_ifrom this you can know the work status of you car engine well Read the data stream from the engine as follows 1 Turn the ignition off Locate the 16Pin Data Link Press any key to Connector OBD O DLC and plug into the V Checker vat Pia Far aca cable connector wait for the screen display that is shown Press any key to start diagnosis turn the
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