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Capelec EOBD, User Manual

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Capelec EOBD User Manual Download Page 54

 

23/04/2019 

 

Rev 3  

51 

IV.

 

EOBD MODULE 

 

IV.1.

 

Overview  

 

 

 

 

 
 

The Scantool is a tool allowing access to the internal data of on-board systems. It connects to the 
OBDII auto diagnostic plug (SAE J1962 standard) of the vehicle and scans the information stored in 
memory or current data made available and accessible by one of the 5 standardized protocols. 

 

- ISO 11519-4 (SAE J1850) at 41.6 Kbps PWM (FORD). 

 

- ISO 11519-4 (SAE J1850) at 10.4 Kbps VPW (CHRYSLER- GM). 

- ISO 9141-2 at 10.4 Kbps (European vehicles). 

- ISO 14230-1.2 to 10.4 Kbps or Keyword 2000 (CAN equipped vehicles). 

- CAN (Controller Area Network; Keyword 2000 layer) (system which will be applied 
generally to European vehicles in the coming years). 

Since the 1st January 2000, all petrol vehicles sold in Europe must compulsorily be equipped with 
an on-board computer controlling engine and drivetrain operation and capable of communicating 
its  internal  information  to  diagnostic  devices  according  to  at  least  one  of  the  4  protocols  cited 
earlier. 

 
 
 
 
 

Summary of Contents for EOBD

Page 1: ...PRO03479 Rev 3 1130 rue des Marels 34 000 MONTPELLIER France Tél 33 04 67 156 156 Fax 33 04 67 224 224 e mail contact capelec fr www capelec fr USER S MANUAL GAS ANALYZER SMOKE METER EOBD ...

Page 2: ......

Page 3: ...s Do not use the equipment if the power cord or any of the accessories seem to be damaged or if the equipment seems not to work properly Disconnect the power cord before making any change of fuse on the power filters S Y M B O L S In compliance with European Directives Earth plug Important instructions related to the use and maintenance inside of the enclosed manual Electric danger sign In complia...

Page 4: ...ERATING PRINCIPLE 39 III 2 OPERATING CONDITIONS 40 III 3 TECHNICAL FEATURES 41 III 4 INSTALLATION AND CAUTIONS 42 III 5 OPACITY TESTING PROCEDURE 43 III 6 OPACIMETER MESSAGES 49 IV EOBD MODULE 51 IV 1 Overview 51 IV 2 Principle 52 IV 3 Measure and control 52 V CONFIGURATION 54 V 1 Clock date 54 V 2 Garage Header 54 V 3 Operator 55 V 4 Gas analysis 55 V 5 Smoke meter 61 V 6 Centralization 63 V 7 Pr...

Page 5: ...04 2019 Rev 3 2 I STATION OVERVIEW I 1 OVERALL DIAGRAM The diagrams presented below allow to understand the menu hierarchy the user can thus easily follow the various sub parts architecture I 1 1 Main menu ...

Page 6: ...23 04 2019 Rev 3 3 I 1 2 Configurations I 1 3 Secured access Strategical parts of the software are locked by password Only maintenance have the access ...

Page 7: ...23 04 2019 Rev 3 4 I 2 Overview I 2 1 The Station ...

Page 8: ...ltage for the direct power part They are all protected All the accessories supplied are exclusively dedicated to the CAPELEC equipment they have been designed for Furthermore they exclusively have to be used in Very Low Voltage situations CAPELEC responsibility cannot be engaged in case of use of the equipment not complying with the instructions hereby For smokemeter Description Smoke meter cell E...

Page 9: ...measured GAS _6_ surrounding air intake for zero setting _7_Intake of calibration gases CAL _8_Ventilator filter FV _9_Mains filter with fuse 230V switch _10_Serial Port COM1 _11_gas pump protection filter FG _12_Condensate pump protection filter FC _13_Activated carbon filter FCC _14_Oil temp connector _15_Protection box for O2 NOX sensors 1 11 2 3 4 5 6 13 14 4 15 7 12 9 8 10 2 ...

Page 10: ...23 04 2019 Rev 3 7 I 2 4 Smoke meter Exhaust probe ...

Page 11: ...cal features Measurement characteristics Automatic initialization Measurement range 400 9 990 rpm Maximum error 20 rpm at speeds below 2000 rpm 2 in other cases Response time 1 second Measurement update rate 10 s Initialization time 17 seconds I 2 5 2 List of kit contents CAP85XX One battery connection cable One cigar lighter connection cable One vibration Sensor ...

Page 12: ...asurement Select RPM mode by pushing the rpm key Choose the RPM mode called Battery After three seconds it is required to select a cylinder number This number is corresponding to 4 stroke engine by default If you want to measure a 2 stroke engine see the picture below This counter is equipped with an automatic detection of cylinder number In case of RPM loss when switching the device on or when ch...

Page 13: ...23 04 2019 Rev 3 10 CAP4XXX RPM via the EOBD Allows to measure the RPM from the vehicle embedded computer ...

Page 14: ...omposed of 1 remote control with IR emitter knob box 1 USB dongle with IR receiver with led active on data activity REMOTE CONTROL IR IR USB RECEIVER Equipement Selection 1 from 4 Function Keys Equipement Selection 1 from 4 Navigator Customisation area by user ...

Page 15: ...oftware F1 F2 etc 1 Selection press F1 to launch the selection page in gas analysis mode press F2 to launch the selection page in opacimeter mode press F3 to launch the selection page in EOBD scantool mode 2 browsing Use the arrow keys to select the function desired The active one is blue lighted The up and down keys are used to switch from one active zone to the other The right and left ones to c...

Page 16: ...an earth plug and having been checked by an agreed technician Also check that the power cord is not damaged whatsoever The machine and smoke head power supplies are protected by filters equipped with fuses In case of replacement use T2AL 250V fuses kind When working properly When the screen is turned on the fan starts refreshing The OS is downloaded The main menu will appear after a few seconds Us...

Page 17: ... a simple touch The touch function can also be replaced by the use of a remote control giving access to the same functionalities Useful when tests are running remotely from the inside of the vehicle for instance A PC keyboard and a mouse can also be used for the navigation through the interface When necessary to dial information a virtual keyboard will automatically appear ...

Page 18: ...d excepted by an approved person They guarantee the equipment conformity Electric Risks Caution in case of gas analyzer or opacimeter opening be careful to electric risks of electrocution Any manipulation should be done by a skilled person I 4 2 Cables and surfaces cleaning Station screen keyboard cell and cable can be cleaned with a clean rag and some alcohol Do not use any other product and espe...

Page 19: ...measurement of CO CO2 and HC is carried out using non diffusing infrared radiation The gas passes through a measuring chamber at the ends of which there are three infrared detectors and three transmitters Each transmitter emits a specific wavelength associated with one of the three gases Each of the detectors transmits an electrical signal corresponding to the received radiation intensity Measurem...

Page 20: ...gas such as the exhaust gas coming from a car Some gases might have an absorption spectrum masking CO2 presence A specific collection of gases CO2 C6H14 CO is measured as follows a unique range of wavelengths in the infrared spectrum is selected for each gas in order to measure the point where its absorption is high and where there is no other basic gas which is equally absorbent Optical filters t...

Page 21: ...as follow Where concentration in per cent volume K1 conversion factor for NDIR measurement to FID measurement H cv Atomic ratio of hydrogen to carbon a for petrol E5 1 89 b for petrol E10 1 93 c for LPG 2 53 d for NG biomethane 4 0 e for ethanol E85 2 74 f for ethanol E85 2 61 O cv Atomic ratio of oxygen to carbon a for petrol E5 0 016 b for petrol E10 0 033 c for LPG 0 0 d for NG biomethane 0 0 e...

Page 22: ... CNG LPG EFFECT Only on special version On special version on the measure page you can select LPG CNG or PETROL cars The only effect is to change HC calculation LPG involves HC 0 5 CNG involves HC 0 3 PETROL involves HC 1 ...

Page 23: ...23 04 2019 Rev 3 20 II 1 3 Gas flow circuit diagram ...

Page 24: ...lyzer automatically prevents any measurement from being performed until operating conditions are stabilized Failure to observe operating conditions may lead to the equipment degradation or to a temporary withdrawal of it Atmospheric pressure 1000 mbar 10 25 Power supply 230 VAC 10 15 50 Hz 2 Ambient temperature from 10 to 55 C Gas temperature 200 C tolerated by the probe Storage temperature 32 to ...

Page 25: ... 115 230V 1 5A 47Hz à 63Hz Fuses T2AL 250V o Gas table Specified ranget Display range Resolution CO 0 to 5 vol 0 to 15 vol 0 01 vol or 0 001 vol CO2 0 to 16 vol 0 to 20 vol 0 1 vol HC C6H14 0 to 2000 ppm vol 0 to 10000 ppm vol 1 ppm vol 0 2000 ppm and 10 ppm above O2 0 to 21 vol 0 to 25 vol 0 01 vol 0 4 vol 0 1 vol above λ 0 8 to 1 2 0 8 to 1 2 0 001 o Measurement ranges NOx 0 à 5000 ppm Engine sp...

Page 26: ...those described below must be entrusted to a certified CAPELEC agent On the other hand failing to maintain the machine in conformity with these instructions may lead to the warranty abolition The subsequent verification shall be carried out using suitable testing means and certified reference gases The interval for subsequent verification is subject to national or regional legislation This Recomme...

Page 27: ...r testing II 4 2 3 Probe maintenance The small holes at the end of the probe must never be connected If condensation is generated or if too much residue is produced remove the probe from the tube and blow compressed air in the opposite direction to that of suction Perform the same operation with the sampling hose II 4 2 4 Separator maintenance The separator includes a filter Replace the filter it ...

Page 28: ...erred in the user manual to a filter replacement the following actions must be done Turn the machine off Remove the filter to be replaced behind the location designated for each filter the reference is silkscreen printed on the case Replace the old filter with the new one Turn the machine on Perform a leak test ...

Page 29: ...g day Select GAS Free Test and press OK II 5 1 Customer data entry From the moment the test procedure is launched the user may if he wants enter information about the client and his car name vehicle brand mileage and ID plate number These data will then appear on the test report This operation is not mandatory Click or press the variable slots to fill the information in A window to be filled in wi...

Page 30: ...O Carbon monoxide expressed in by volume COcorr Corrected CO O2 Oxygen expressed in by volume CO2 Carbon dioxide given in by volume λ Displays Lambda value This value has no particular unit We say that it is a coefficient or a ratio rpm Engine speed in revolutions per minute C Oil temperature measurement or engine if CAP13XX used expressed in degrees Celsius ...

Page 31: ...te that the device automatically launches an auto zero operation when necessary and periodically every 30 minutes When an auto zero operation occurs the solenoid valve switches on so that the air sucked up by the gas module is pure and thus is filtered by an activated charcoal filter 1 The pump key The pump key Activates or deactivates the pumps Pressing this key puts the machine either in STANDBY...

Page 32: ...aged for vehicles with manual or semi automatic transmissions the selector should be in neutral for vehicles with automatic transmissions or in accordance with the instructions of the vehicle manufacturer Accessories and optional equipment that influence the engine speed at idle must not be activated barring manufacturer s instructions or regulation to the contrary The engine must be at normal ope...

Page 33: ...O B D This mode will retrieve the RPM value from the vehicle embedded computer Battery this mode will retrieve the RPM value from battery signal noise Vibration this mode will retrieve the RPM value from engine vibration In case of difficulties to get a coherent value turn the high beam lights on as well as the rear defrosting system and turn all the other tools off ...

Page 34: ...or tube into which the probe is inserted For analysis of the catalytic converter gases upstream the entire length of the flexible sampling tube must be used Start the measurement by pressing the PUMP key if the pumps are not on Start the engine Before the probe is inserted it is preferable to activate the pumps and to wait for zeroing to finish before inserting the sampling probe as indicated abov...

Page 35: ...ng is displayed The pumps are running Calibration auto zero check Stand by mode Pumps resting no measurements No gas measurements for a certain time standby time Touche Auto zero Pumps active Touche Elapsed time 30 min and no measurement in progress OR values drifting Operating diagram ...

Page 36: ...ailable We can note the following cases The temperature probe is not connected to the analyzer oil temperature measurement is not available The NOx option is not present NOx measurement is not available Concentrations of HC CO CO2 and O2 give values for LAMBDA out of bounds LAMBDA is not available One of the gas measurements is invalid NOTICE At any time during this phase it is possible to stop th...

Page 37: ...test disconnecting the probe from the device and plugging the gas entry port on the separator If the problem disappears the leak is in the probe tubing Otherwise it affects the machine Check the filter connections Check that the separator is correctly installed and adequately tightened Test the various parts of the pneumatic circuit with leak tests moving the plug progressively upstream up to the ...

Page 38: ...bounds Out of range Check that the ambient air is not polluted and re zero Check sensor connections II 6 7 NOx out of bounds Out of range Check NOx sensor connections optional Replace the NOx sensor if the message persists after several attempts to zero II 6 8 Flow too low Check that the flexible tubes Check that they are not kinked twisted or plugged Disconnect the sampling probe to see whether t...

Page 39: ...esidues may also be in the ambient air One must therefore ensure that the work area is well ventilated It may be necessary to clean the probe If the problem appears again clean the separator If the HC measurement drops back to a level below 20 ppm for more than 20 seconds this message disappears a zero operation is carried out and the message measurement in progress appears II 6 10 Error com bench...

Page 40: ...following points Check that the separator is correctly connected Check the flow at the condensate exhaust connector Check the internal parameters in the maintenance menu Perform a leak test Depending on the results obtained notify Maintenance which will undertake the replacement of the defective part II 6 14 Heating problem If the estimated warm up time of the machine elapsed time between the time...

Page 41: ... ambient temperature is below 0 C or if a measurement is in progress this means that the measured value is outside the range 0 150 C If not check that the oil temperature probe is correctly connected to the connector assigned to it If not replace the sampling probe ...

Page 42: ...which reaches the receiver is inversely proportional to the concentration of particles in suspension in the gas The measurement obtained is digitally corrected The opacity of a vehicle is the maximum opacity value measured during free acceleration cycle 3 4 5 1 2 6 7 Air pur Gaz d échappement 8 1 Transmitter 2 Receiver 3 Temperature sensor chamber 4 Heating elements 5 Gas temperature sensor 6 Gas ...

Page 43: ...ING CONDITIONS The opacimeter automatically checks the parameters that have an influence on the measurement If at least one of these parameters is out of bounds hence threatening to metrologically alter the results the opacimeter disables itself and prevents any measurement from occurring until operating conditions are re established The following problems result in the system being disabled Detec...

Page 44: ...er at around 50 Ambient temperature range for operation 5 to 40 C Humidity 30 to 90 Storage temperature 32 C to 55 C Measurement range of the measured value Opacity 0 00 to 9 99 m 1 0 0 to 99 9 Resolution 0 01 m 1or 0 1 Maximum relative error Measurement range of influencing factors which allow correction of the opacity value Temperature of the gas being measured 0 256 C resolution 1 C Physical re...

Page 45: ... III 4 2 Cleaning and cautions during operation Occasionally large carbon particles enter the chamber while the engine is being tested The great inertia of these particles will cause them to be thrown against the windows located on each side of the chamber A monthly inspection is recommended to determine whether the two windows have an excessive coating Gas input do not clean gas temperature senso...

Page 46: ...acity check for official test procedure Smoke free Test for to determine the opacity of the vehicle III 5 1 Client data entry From the moment the test procedure is launched the user may if he wants enter information about the client and his car name vehicle brand mileage and ID plate number These data will then appear on the test report The entry window appears this way ...

Page 47: ... opacity units One is given per meter m 1 and the other in percent The message box It directs the operator through the procedure Messages displayed here are of two types Error messages Every detected error or timeout results either in cancellation of the procedure or invalidation of the free acceleration In both cases the message window contains the type of error that caused the problem Instructio...

Page 48: ...the operator knows the operating speed mode that is selected RPM mode can be changed by pressing the rpm key E O B D This mode will retrieve the RPM value from the vehicle embedded computer Battery this mode will retrieve the RPM value from battery signal noise Vibration this mode will retrieve the RPM value from engine vibration In case of difficulties to get a coherent value turn the high beam l...

Page 49: ... THE SAMPLING PROBE MUST NEVER BE INSERTED INTO THE EXHAUST LINE OF A RUNNING ENGINE Before this procedure is launched a general check of all the parameters of the cell is automatically carried out Three cases could then occur 1 The opacimeter was just started and the preheating phase is still in process In this case it is necessary to wait for the measuring chamber to reach its operating temperat...

Page 50: ... tachometer in place III 5 6 1 The probe To do this move the cell near the exhaust pipe outlet The probe must be inserted to a depth at least equal to 5 cm If the layout of the exhaust line allows it it is preferable to insert it as deep as possible Ensure that the probe is not kinked which might alter the flow of gas arriving at the measuring chamber The sliding clip on the probe allows the probe...

Page 51: ...he operator must satisfy himself that the engine is operating correctly Opacity measurement being a rather demanding procedure for the engines it is imperative that this step be carefully followed to avoid engine damage and to obtain a valid opacity measurement The following points are to be observed The vehicle exhaust line must be gas tight This check can be carried out by partially blocking the...

Page 52: ...service III 6 1 4 Sensor problem A temperature sensor is defective call the Maintenance service III 6 1 5 Warming Tube temperature must be 80 C It is therefore necessary to carry out a warmup operation whose duration can vary from 3 to 6 minutes III 6 1 6 Detector Temp out of range The temperature of the optical detector must be between 25 ºC and 45 ºC After a preheating period this error resolves...

Page 53: ... that the procedure for resetting opacity to zero is in progress Wait III 6 2 2 Acceleration No X This message indicates the beginning of a new acceleration The user must therefore push the accelerator pedal all the way down as soon as this message is displayed III 6 2 3 Measure in progress Acceleration has been detected the accelerator pedal must be kept pushed to allow acquisition of opacity dur...

Page 54: ... ISO 11519 4 SAE J1850 at 10 4 Kbps VPW CHRYSLER GM ISO 9141 2 at 10 4 Kbps European vehicles ISO 14230 1 2 to 10 4 Kbps or Keyword 2000 CAN equipped vehicles CAN Controller Area Network Keyword 2000 layer system which will be applied generally to European vehicles in the coming years Since the 1st January 2000 all petrol vehicles sold in Europe must compulsorily be equipped with an on board compu...

Page 55: ...ide in the glove compartment or under the main ashtray It is therefore easy to make measurement while staying the Scantool in hand inside of the vehicle This is especially appreciated in the context of measurements carried out on the road The connector is shaping as following and the CAP4XXX is connecting as following Certain vehicles manufactured between 1996 and 2000 are equipped with this conne...

Page 56: ...kdowns detected but not confirmed yet This breakdown exits but the computer will wait for several driving cycles to store it and turn the related led on Current values list of measures done by the sensors in charge of regulating and controlling motorization Fixe values internal breakdown values Oxygen sensor data from lambda sensors Test procedures Reset procedure erases memorized breakdowns and t...

Page 57: ...e selected using the OK key to change the value press the UP and DOWN arrows Finally to save the new values press OK Exit with the ESC key V 2 Garage Header This application requires information related to the garage to be filled in and personalized This information will appear at the beginning of the test report ...

Page 58: ...le is identical to the entry of the garage header and client entry In the main menu to select the current operator name just click the name area This name will appear on the printed report at the end of test V 4 Gas analysis When the operator selects Gas analysis the following window will appear ...

Page 59: ...esult is graduated from 0 to 100 100 corresponding to the most satisfactory status V 4 4 Leak test The leak test is a procedure allowing the detecting of any seal problems that might occur in the pneumatic circuit It is imperative to carry out this test at least once every three months It is also preferable that it be carried out at least once per month by the user The presence of a leak involves ...

Page 60: ...key to exit The presence of a leak disables measurement until a new test is carried out with a final result of Leak absent V 4 5 Routine check This page shows operational data from the gas measurement cell Gas pressure ambient temperature temperature of lamps and detectors Also gives the Bench software version as well as its serial number All these data can be useful to your maintainer ...

Page 61: ...uipment itself periodic inspection V 4 6 1 HC Gives access to a sub menu allowing to choose to display HC values either in equivalent value of propane or hexane At the moment of calibration the HC value automatically gets back to the equivalent in propane Choosing propane allows a multiple gas check Note the PEF displayed by the device is for e propane HC value close to 2000 ppm vol V 4 6 2 Calibr...

Page 62: ...TER must be pressed Launching the adjustement procedure The operator is guided throughout the procedure by messages indicating the various steps that the machine carries out during an adjustment procedure b O2 initialization New O2 sensor This tab is used for installing a new O2 sensor It is necessary to follow the procedure which requires changing the O2 sensor first then pressing OK Once this st...

Page 63: ...23 04 2019 Rev 3 60 ...

Page 64: ... sub menu allows the operator to control the smoke meter is working properly by accessing the various cell parameters This window provides useful information Information about the cell status Current status Information about version Available commands Fan stop Zero Transmitter adjustment Push the TEST key to have the test results ...

Page 65: ...T It is about an automatic check done by electric filters around 50 and allowing to verify measures accuracy The error is considered acceptable if not over 5 Press TEST to launch this operation Before launching the test proceed an autozero if opacity values are not equal to 0 A window will appear showing the result If this last shows smoke meter not conform clean the cell and launch the test again...

Page 66: ...o print 1 2 or 3 reports once the test is finished Printer for the operator to choose to printer to be used V 8 Impression Test All the tests printed or transmitted are stored in the PC hard disk It also allows the access the tests database and print them again when necessary The files are stored in pdf format They can also be downloaded on a USB key by pressing STORE ...

Page 67: ...he configuration values V 11 PC keyboard Declare here whether the virtual or physical keyboard will be used Programming absent keyboard means the operator will preferably use the virtual keyboard V 12 Info Maintenance This menu access is secured by a maintenance code It is possible here to fill in the information about the maintenance company to add a logo but also to set the commissioning date At...

Page 68: ...v 3 65 V 13 Information This window includes the manufacturer and maintenance company details as well as information about software version For more information on our products visit our Internet site www capelec fr ...

Page 69: ...e when you acquire of a new product of the same type as the old one Any deviation compared to these recommendations of elimination of this type of waste can have negative effects on the environment and the public health because these products EEE generally contain substances which can be dangerous In parallel your whole co operation with the good reject of this product will support a better use of...

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