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Controller User Manual

1. EN BROWN versions of the controllers from INTERFACE See IGNITION o 2 f Bluetooth NEXT COIL T 0 es Sraa Nell DIAGNOSTIC A A CONNECTORS Mamm INERFACE 3 sere I RS 232 or USB A i RED BLACK Lle Chose the proper type IGNITION of sensor in software SWITCH GREY VIOLET GREY VIOLET VIOLET BLACK VIOLET BLACK PETROL LPG MOLET SWITCH WHITE GREEN WHITE GREEN BLACK BLACK RED SENSOR SENSOR SENSOR2 VOLTAGE wideband before CURRENT before catalytic converter t 7 LII catalytic converter CE ATTENTION Description and connection diagram of UEGO sensor is located in the help section of controller configuration program ATTENTION Proper fuse needs to be placed V into the socket ATTENTION For a detailed description of connecting to OBD iod to the controller cram and programming manual DADA BATTERY OBD Connector 00000000 BLACK 00000000 Love UI 1 4 LI 1 LI 4
2. Y INTERFACE i Bluetooth NEXT sro c Ems Nett lt pcNosric CN A A 1 CONNECTORS IGNITION mw INERFACE COIL I RS 232 or USB PI 1 Pl 4 LI 1 L14 PETROL INJECTORS LPG or CNG INJECTORS 4 XX RED BLACK Yo BLUE RED IGNITION lt 12V SWITCH YELLOW BLACK B GREY YELLOW P pe g BLUE RED E x T OREEN BLACIC PETROLILPG or CNG R SWITCH BN Bit be Oe RED BLACK 4 GREY RED E 4 e 3J g BLUE RED U X 12V 7 ORANGE BLUE BLACK I GREY BLUE BLACK CT 04 2K SN WATER P REDUCER FILTER LPG or CNG Chose the proper type of sensor in software VIOLET VIOLET BLACK VOLTAGE SENSORS EE EE EN EEEN er ATTENTION Description and connection diagram of UEGO sensor is located in the help section of controller configuration program ATTENTION Proper fuse needs to be placed into the socket NOT CONNECTE
3. Senden 52 4 2 LED 300 401B LED 401 53 4 3 Automatic calibration Of LPG level indicator rn nnns 53 Pipe MENT 54 Zo Eee y Sanl OO dva natad See 54 ME einre ik jerzeiiiferiem 55 6 Warranty restrictions 5 2 2 55 AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc STAG Tes autogas systems 1 Controller installation 1 1 Layout diagram STAG 4 QBOX BASIC www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 MLKJHGFEDCBA ff a 0 04 LI 000000000203 zm s 5 CURTIS STAG 4 STAG BASIC LET S
4. E i ERE EERE o ad ad 28 2 8 2 Gas conog MoS Sago osrin Tm 30 2 8 3 Ero TOE I EE E EEEE E 31 eO MVO duro a E E EREE E EE E E A E EE E A E A EE A AEEA 32 2 9 1 35 Feeder 36 NEN DOO AD MNT m m m M 37 VANNES EI He fciicHeen esUnuL 38 2 13 Reducer temperature correction ananas asas 38 2 14 Gas pressure correction nd 39 0 ee M P 39 EON LT EUIINCNE 40 2 17 Ele eIDUELI 40 2 18 Injection time deviation map 42 2 19 MAP correction map autoadaptation 2 0000000000000000050000000 eese seen 42 20 ODOTA OET GE M 43 AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use any all or any part of information contai
5. Fig 42 Petrol map acquisition state x eee 3 000 11111111 PIS cm El Fig 43 Gas map acquisition state AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 41 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems 2 18 Injection time deviation map The 0 tab allows the viewer to view the difference between Petrol and Gas maps Differences between the petrol and gas injection time maps are expressed as a percentage Fig 44 Deviation map D view 2 19 MAP correction map autoadaptation map Autoadaptation systems available in STAG 4 QBOX QNEXT PLUS STAG 300 QMAX PLUS controllers are provided with dedicated maps of correction with rom and load MAP negative pressure axes to make the corrections more natural and precise The map view be accessed through the MAP correction Bx tab If autoadaptation is i
6. PETROL INJECTORS LPG or CNG INJECTORS M lm qe CO MULTI VALVE S S ISO 15765 150 14230 m aT ORANGE 18 2 HI 2 IH GREY YELLOW I T a 54 O BLACK P BLUE RED ge DS E amp 12V T GREEN BLACK GREY GREEN TEE S E CT 04 2K 4 ORANGE S L E i gue RED zu a H12V LERE RED BLACK GREY RED Lag WPG TO INLET NZD N OUTPUT m BLUE BLUE RED WATER LPG or CNG F eas U 1 412v 3 OUTPUT 2 REDUCER FILTER LPG LEVEL SENSOR BLUE BLACK GREY BLUE PRESSURE and TEMPERATURE WPGH SENSOR Fig 2 STAG 4 QBOX PLUS controller installation layout diagram FRONT VIEW ISO 9141 i ISO 14230 ORANGE Pin No 2C in ORANGE Pin No 15 OBD connector STAG 4 Q BOX connector STAG Pin No 3C in ORANGE GREEN STAG 4 BOX PLUS Pin No 7 in OBD connector 4 STAG 4 Q BOX connector Qe ORANGE GREEN A FRONT VIEW p AC ISO 15765 YELLOW BLACK Pin No 3B in YELLOW BLACK LE a Pin No 14 OBD connector STAG 4 Q BOX connector I Pin No 2B in fe in No 6 in OBD connector 4 S
7. 21110045 systems Hum eo 00000000003 Q zc cnnnannnanno Q N gt 00000000001 1 In the case of FLE FC only the yellow 5 0 cable connection is needed without STAG splitting the circuit of the floater green cable should remain unconnected STAG 4 BOX PLUS W EPP 2 Harness VEHICLE ECU float positive wire on the ECU side YELLOW float positive wire on the float terminals side FLOAT GROUND E Pinno wire colour connection description 40 e 30000 0000006000 20000600006000 PS OET 1000 0000000000 3D GREEN oat positive wire on the float terminals side M KJHGFEDCBA View of the gas controller s harness connector from the wiring side Fig 5 Wiring diagram for fuel level emulator FLE connection to STAG 4 QBOX PLUS ATTENTI
8. 5 c2 6 amp 3 b 43 43 459 49 D 5 2 ttt 5 6 6 6 6 s eee We 7 Se Se we e Fig 36 Petrol portion Map values specify the percentage of petrol while running on gas in a given operating curve point The actual petrol post injection time is based on the map values related to the petrol injection time in a given operating curve point Example 2096 for the 10ms column means 2ms petrol extra injection AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 37 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems 2 12 Gas temperature correction map The controller is provided with automatic gas injection time correction based on gas temperature The Gas temperature correction map allows the user to enter manually an additional percentage correction based on gas temperature Entering modifications 15 just like on the multiplier Parameters Autocalibration Errors Maps Recorder Diagnostic Multiplier RPM correction Petro
9. 6 1 4 Layout STAG 300 QMAX 7 1 5 Semi sequential 22 2 0000060010000000000000000 ETO A 12 OOGO O 12 1 7 Mounting the controller STAG 4 QBOX QNEXT and STAG 300 QMAX 12 1 8 Selection of pressure 0 000000 000600000000000000050000 anas ns 13 1 9 Selection of injector nozzles 13 2 The AC STAG diagnostic 13 2 1 Gontroller Compuler rebas EEEE 13 FA TG P 16 E 16 2 4 Controller Parameters isses esses 18 2 5 Signals ingectors LED switchboard 00 0000000000000505000000 24 ZION Pell 26 NM aos ntsc 27 23 ENO 27 2 8 1 EITOIS Of tie gas
10. High low rpm engine rpm is too low high check the rpm settings injection pulses no signal at the petrol injector check the connection of the emulator s wire Intake manifold pressure too high the collector pressure may be not correct check the connection of the manifold pressure sensor Unstable engine operation manifold pressure and or rpm signals show excessive variations Verify if the selected injectors match engine power check system tightness and make sure that air conditioning is off AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 26 www ac com pl info ac com pl i AG AC S A ul 42 Pulku Piechoty 50 15 181 Bia ystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 autogas systems 2 7 Oscilloscope Oscilloscope Opel Zafira STAG 4 PLUS 2014 02 21 11 51 43 0sc fg ce lite ed Se SS 4 een gusce CN dX Fw that 22 234 22 254 22 274 22 294 22 314 22 334 22 354 22 374 22 394 22 414 22 434 PJ isle FLU DI Li Fig 25 Oscilloscope window On each tab except the parameters tab there is the oscilloscope window attached to present the changi
11. Petrol map G is a collection of petrol injection times for various combinations of engine speed and suction negative pressures acquired during driving on LPG The two perpendicular yellow lines form a cursor that indicates the current operational point rom and suction negative pressure of the engine You can rotate the 3D map dragging it with the right mouse button ais de Fig 41 Petrol map G view 2 17 Map acquisition state In order to monitor the process of map data acquisition the application has been provided with a special petrol map acquisition status preview activated with the State button in B and G map windows The preview of map acquisition status is divided into square sectors which are colored when a respective map section for this area is acquired AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 40 R www ac com pl info ac com pl i Als AC S A ul 42 Putku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 Wes AUTOGAS systems
12. R STAG autogas systems Controller User Manual STAG 4 GBOX BASIC STAG 4 GBOX PLUS QNEXT PLUS STAG 300 QMAX PLUS r 67R 01 4903 8 1108 00 4904 10R 03 6616 information contained in this manual is also available in the diagnostics software help system and at the www ac com pl website ver 1 7 2 2015 08 04 AC S A 15 181 Biatystok ul 42 Putku Piechoty 50 fo 0 Op 74A OA LAQ 99 tel 46 145 01 UU 46 055 YS 03 www ac com pl info ac com pl AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Table of contents 1 Controller installation get c 4 1 1 Layout diagram 5 4 1 2 Layout diagram S TAGA QBOX PLUS Coda ciun debo 5 1 9 4 ONEXT PLUS irent uttter oett ted tide eee aud ose keen aad nt
13. autoadaptation On Off bank 1 current correction of injection time implemented by the autoadaptation Temp dev Bank 1 Momentary percentage value of petrol injection time deviation when driving on gas with respect to the reference injection recorded when driving on petrol A positive value means that the injection time on gas is longer than on the reference map ISA3 OL mode indication of autoadaptation working in an open loop mode 2 23 2 OBD mode With OBD selected the following settings and parameters can be configured and viewed Ee Auto adaptation IE x Auto adaptation jw Enabled OBD C 1543 STFT B1 STAG B1 STAG Resultant corr B1 OBD Configuration Target OBD corr map engine temp Threshold LTFT maz Collect OBD corr map Inverted STFT Autoadaptation in Fig 51 Configuration of OBD adaptation AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 48 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems The map of OBD target corrections Press the Open button to display the configuration window in which th
14. optionally PEN Bluetooth NEXT D 1 L 4 _ INERFACE 1 DIAGNOSTIC IGNITION SWITCH PETROLILPG SWITCH RS 232 or USB 1 CONNECTORS z Ela H INERFACE dS RED BLACK WHITE GREEN BLACK N BROWN Fi Pe Chose proper type E of sensor in software IGNITION 1 GREY VIOLET GREY VIOLET COIL VIOLET BLACK VIOLET BLACK VIOLET 4 EC AN ee 1 PI 1 PI 8 LI 1 18 i Ecu 1 ECU PETROL INJECTORS LPG or CNG INJECTORS a gt 1 bg LAMBDA 1 Fd SENSOR 2 i J wideband VOLTAGE i 1 CURRENT before 26 om nee converter YELLOW BLACK GREY YELLOW NOT FUEL PRESSURE i EMULATOR i ANN uai e Description of connection 1 is located in the manual ATTENTION 11 12V uu Description and connection diagram of UEGO sensor is located the help section of controller configuration pr
15. 1 First PC connection date of the first controller PC connection 2 First change of settings date of the first modufication of the controller settings If these fields do not show dates but instead the symbols it means an error occurred in the Controller Info Time information has been lost and the controller will start counting the times from the beginning 3 Mod date 1 Mod date 5 list of controller settings modifications From the most recent ones till the oldest 4 Clear errors Time stamp showing when some controller error was cleared Each event is also accompanied by a code linked to the PC on which the modification was made Thus knowing the modification date as well as the PC code it is easy to determine whether any modifications have been performed by anyone else The bottom of this window shows additional information 1 ECU S N the serial number of the controller 2 Your PC code The code of the PC on which the AcStag software is currently used AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 17 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG auto
16. fa dB _ _ _ _ _ _ _ cc c2 C2 C2 c Cc B AOA O OA O AOA O O cc c cC C2 C2 C2 c c aAa GJ G c c c c c c c c c c c c c c c c c c c Fig 45 MAP correction map If autoadaptation is active but it is not desired in certain ranges of engine operation it is possible to deactivate such ranges in the autoadaptation process Select an area of the map with a mouse and click the right button after selection context menu with Autoadaptation lock and Autoadaptation unlock commands is displayed Locked areas are marked with grey correction values Controllers for 6 and 8 cylinders STAG 300 QMAX PLUS offer two MAP correction maps one for each bank The maps can be switched only with B1 B2 buttons under the map clearing button If the Auto stop is checked ISA3 autoadaptation mode areas with successful autoadaptation will be locked automatically 2 20 OBDII EOBD reader STAG 4 QBOX QNEXT PLUS and STAG 300 QMAX PLUS are equipped with an integrated reader of parameters and faults based on the OBDII EOBD interface It is not necessary to connect an external adapter all required circuits are integrated with the controller board The tool supports the following standards ISO 15765 ext std 250 500Kbits commonly referred to as CAN 150 14230 5Baud Fast init 1509141 common
17. Gas controller settings Advanced settings Car info Pressure Bar Gas 1 52 MAP 0 45 Inj time dose ms P1 5 24 v G1 4 46 P2 5 25 G2 4 47 5 24 v G3 4 46 P4 5 25 V GA 4 47 5 25 4 47 5 24 56 4 46 5 25 v 5 4 48 0 20 v 4 48 Temperature Gas 64 Red 77 Internal 35 Engine emul 86 Other V mA 901 Battery 12 04 AUX voltage 0 00 RPM RPM RPM 2322 Engine load 96 LI Gu CNN zz e e ae ao p NN STAG 300 8 QMAX PLUS ver 2 4 0 32 4 1 2015 07 16 10 37 04 Fig 12 Parameters window Gas controller settings AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 14 www ac com pl info ac com pl AG AC S A ul 42 Putku Piechoty 50 15 181 Bia ystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 autogas systems Port Window Language Tools Help Monitor Parameters Autocalibration Errors Maps Recorder Diagnostic Car parameters Gas controller settings Advanced settings Car info engine temp RPM 4000 Pressure Bar Max Gas myecton time 20 0 VA Ims S E Jy a MAP 0 45 Inj ti
18. Service Schedule When the controller reaches the working time using LPG set in this field every time the ignition key is switched off the controller will produce an acoustic signal reminding of the inspection Clearing the Inspection Schedule is explained below To set the Service Schedule click the in the About gas ECU window The following window will pop up Fig 16 Service settings Service after mileage Inactive Time to service Inactive Service by date Inactive 2015 08 12 Alt time to service Inactive LPG CNG lock ok Fig 16 Service set window In that window you can set up the time to inspection The time to inspection is computed on the basis of the selected mileage after which the inspection is to be carried out Default conversion rate is 1h per 50 km but you can modify it In the example shown in the figure 1000 km and the 1 h per 50 km conversion rate translate into 20 hours of operation to the nearest inspection An alternative method of inspection set up is an option of inspection by date where the date of scheduled inspection is specified instead of a mileage limit To clear the service schedule select Inactive in which case the controller will not monitor the service schedule Selecting the option LPG CNG lock prevent driving on the gas beyond the set time of the review Below the working times the Controller Info lists the following types of registered events
19. Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 54 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems 5 Technical specifications Power supply voltage 12 V 20 30 Maximum power supply current for a 4 cylinder engine controller 1 O 12 5 A gas injectors Current load in the sleep mode 10 mA Operating temperature range 40 110 C Protection class IP54 6 Warranty restrictions exclusions Warranty does not cover 1 Damage resulting from installing the controller not in line with the recommended layout diagram in particular from hooking signal cables up to other terminals than those specified in installation guidelines 2 Damage resulting from installing the controller in places incompatible with installation guidelines or from exposition to water high temperatures vehicle battery vapours 3 Devices tampered with repaired without proper authorisation 4 Mechanical damage through Customers fault in particular damage of connectors including damage caused by use of inappropriate chemical cleaning agents controller housing electronics PCB 5 Electrical damage of circuitry
20. click on it By clicking on the name of a given signal you can change its colour on the oscilloscope Respective icons are displayed next to gas injectors You can click any of the icons to disable enable gas injector represented by the icon together with corresponding petrol injector That way you can easily diagnose mechanical failures of the injectors The setting is temporary and deactivated automatically after disconnection of the diagnostic application and cutting off the voltage with the key Top of the Monitor pane is occupied by LED switchboard Depending on the type of controller and selected switch in can be presented in two versions presented on figures 22 23 Fig 22 Switchboard LED 300 Fig 23 Switchboard LED 300 401B LED 401 There is a button on the LED switchboard for changing the fuel type The operating condition is signaled in case of LED 300 switches with the diode located next to the button LED 300 401B and LED 401 switches use button illumination instead Basic indications Off petrol On LPG CNG Pulsing auto mode The chapter 4 1 contain a detailed description of operating mode of the controller Gas level is indicated by LED 300 switches with a line of 5 diodes while LED 300 401B and LED 401 indicate it with 4 diodes arranged around the button The minimum level low fuel alarm is indicated by a red LED diode in LED 300 switches In LED 300 401B and LED 401 switches the status is indicated by
21. in particular photographs drawings illustrations trademarks etc 33 www ac com pl info ac com pl AC S A ul 42 Putku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems ege pe Multiplier 12 14 16 18 20 22 24 Inj time ms 0 2 4 6 10 2 244 God NOD ELEC EAE 1 X 22 0 9 0 8 1 85 2 24 54 4 4 2 1 2 07 0 6 14 152 5 24 di e yp 032 Ey Sea 0 2 eU TES 0 1 0 2 4 6 10 12 14 16 15 20 22 24 Inj time ms Fig 32 Multiplier map Suggested area of gas map acquisition AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 34 www ac com pl info ac com pl AC S A ul 42 Putku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems 2 9 1 Multiplier matching When 2 3 of the suggested area on gas a
22. Ignition switch signal missing The controller detects injection pulses with the missing ignition switch signal Check the connection of the ignition positive wire Ignition switch signal unstable The controller detected a brief loss of the ignition switched positive signal Check if the ignition positive wire is connected in the correct point AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 30 8 www ac com pl info ac com pl STAG Ts autogas systems AC S A ul 42 Putku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 2 8 3 Errors the ECU The controllers equipped with a OBD adapter STAG 4 QBOX QNEXT PLUS STAG 300 QMAX PLUS are capable of continuous monitoring of recorded and pending faults with the use of the onboard OBD2 EOBD interface The errors are displayed as codes according to OBD2 EOBD notation system with descriptions If an error occurs the Delete button can be used to erase OBD fault codes which is equivalent to error acknowledgement check engine lamp via an external OBD scanner i amp l xi BS AC STAG 0 16 15 RESTRICTED Pork Window Language Tools Help Monitor n x Parameters Autocalibration AX Errors Maps Recorde
23. Tes autogas systems 1 5 Semi sequential control PETROL INJECTORS YELLOW YELLOW BLACK GREEN BLACK com 0 RI LIE RI ACK www ac com pl info ac com pl AC S A ul 42 Putku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 LPG INJECTORS A 1 gt 1 e EN 1 s BLUE RED 12V YELLOW GREY BLUE RED 12V GREEN GREY BLUE RED 12V RED GREY BLUE_RED 12V BLUE GREY Fig 9 Semi sequential control layout diagram 1 6 Full group control PETROL INJECTORS YELLOW YELLOW BLACK GREEN BLACK RED BLACK com LPG INJECTORS 44 5 A e gt Ez e EN A gt BLUE_RED 12V YELLOW GREY BLUE_RED 12V GREEN GREY BLUE_RED 12V RED GREY BLUE_RED 12V BLUE GREY Fig 10 Full group control layout diagram 1 7 Mounting the controller STAG 4 QBOX QNEXT and STAG 300 QMAX PLUS STAG 4 QBOX QNEXT STAG 300 QMAX PLUS controller must not be installed in a place exposed to high temp
24. ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems 3 3 Collection of the petrol injection map with LPG LPG map Having collected the petrol map switch to LPG and collect the LPG map in the same way the petrol map was collected The LPG map should be collected in the same road conditions and with similar loads as the petrol map The LPG map is drawn with green points Having collected sufficient number of green points the map will be drawn with a continuous green line If the controller is set properly the multiplier characteristics selected properly the petrol and the LPG maps should match If the maps do not match the multiplier characteristic should be corrected at the points where the maps do not match the lower axis of co ordinates for injection times If the LPG map is collected with the PC connected and the diagnostic software running it is possible to immediately correct the multiplier characteristics when the collected green points do not match with the petrol map It is even strongly recommended to use the PC in this way as if the multiplier characteristics differ strongly from the required ones the controller starts to switch over and in the extreme case can activate the check signal lamp When correcting the multiplier characteristics make the points on the LPG map match with the petrol map Once bot
25. brought about by hooking communication interfaces up not in line with installation guidelines AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 55
26. current LPG level in the tank 4 green LEDs indicate a full tank a red LED indicates reserve The LED shows current operating status Off the engine runs on petrol Slow blinking once per second the engine is started on petrol and switches to autogas when the set parameters are achieved Normal blinking twice per second the engine is started on petrol and switches to autogas when the set parameters are achieved The system switches the engine to gas fueling The state may continue for up to 10 seconds depending on engine working parameters at the moment and controller settings Fast blinking 4 times per second system error prevents gas fueling e g empty gas tank LPG installation fault the engine runs on petrol the engine runs on LPG Push button for switching from one fuel type to another The controller remembers the last fuel type setting before switching the ignition switch off AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 52 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems 4 2 LED 300 401B and LED 401 switchboard Fig 54 LE
27. for the reference petrol map In other words adaptation will be attempted only if the deviation exceeds the threshold value Due to the mentioned natural distribution of petrol injection pulses as a result of the ECU control a minimum deviation setting is 4 LTFT maximum maximum limit of the correction value that autoadaptation can implement Adaptation in OL Activation deactivation of autoadaptation in an open loop mode The function requires a voltage type Lambda sensor connected and activated Fuel Loop otatus reading option see OBDII EOBD reader Chapter 2 20 autocomplete Activation deactivation of the auto switching to petrol option in areas without reference injection pulses recorded The option works within an RPM range from 1500 to 6000 AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 47 www ac com pl info ac com pl AC S A ul 42 Pu ku Piechoty 50 15 181 Bia ystok Poland I tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Auto stop checking the option will result in automatic blocking of engine operating curve points on MAP correction map when the specified deviation limit is reached see Adaptation enable threshold Active
28. green After the controller collects both maps i e the petrol and LPG maps the Deflection tab becomes active Deflection appears as a red line after pressing button The map window in Fig 30 shows also cursor which position changes vertically depending on the manifold negative pressure and horizontally depending on petrol injection times It is very useful during map collection as it shows the load and injection times of the engine After pressing button El autoselection became active which means that the multiplier points will be selected automatically so that the point next to the cursor becomes active Maps can be deleted with buttons 3 petrol injection time gas injection time map During the drive pressing the SPACE key select the point closest to the current cursor position In order to make injection time map acquiring easier on the left side of the multiplier window suggested engine load areas are presented as vertical lines The lines represent the areas of injection time maps which have not been recorded yet The blue line represents the petrol injection time map and the green one represents the gas map If a given area of the map is acquired the line section associated with this sector disappears AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document
29. illuminating the button in red After right clicking on the LED witch view its settings window is displayed Figure 24 Alternatively use the Gas level indicator configuration button on the Gas controller settings tab Gas level indicator X Bae gt gt 2008 Gas level 5 00 v Settings Gas level sensor type 50 kOhm Characteristics Decreasing Sound level 4 LED brightness level Buzzer position Lower left corner Auto brightness adjust active Switchboard type Lea 400 Fig 24 Gas level indicator configuration window AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 25 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Basic operations include configuring the type of indicator and setting the voltage values according to which LED diodes will be lit to indicate the gas level on the switch panel chapter 4 3 describes the procedure for automatic setting of threshold voltage values Select the type of gas level sensor and sensor characteristics The current voltage read from the gas level sensor is al
30. on gas pressure The Gas pressure correction allows the user to enter manually an additional percentage correction based on gas pressure Entering modifications is just like on the multiplier Parameters Autocalibration Errors Maps Recorder Diagnostic Multiplier RPM correction Petrol portion Gas temp corr Red temp cor press corr G D ISA2banki 4 50 404 Correction Gas pressure Bar Fig 39 Gas pressure correction map view 2 15 Petrol map B Two dimensional gas and petrol injection time maps are displayed on the multiplier tab based on actual 3D maps acquired versus RPM and MAP pressure 4 Fig 40 Petrol map B view The B tab presents a preview of the petrol injection time map acquired when driving on petrol The yellow cursor represents the actual operating curve point Right click and hold to turn the map around AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 39 8 www ac com pl info ac com pl STAG es autogas systems AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 2 16 Petrol map G
31. only in controllers for 6 8 cylinders See subsection 2 22 Auto automatic assignment of gas injectors to Banks 1 and 2 Gas injectors corrections Per cent correction of gas air mixture injected by gas injectors to each engine cylinder Test automatic testing of the flow on individual gas injectors Injector opening correction the window allows configuration of very precise absolute correction of gas injector Unlike the percentage correction it is constant and not dependent on time It is ideal for compensating differences in performance of injection rails resulting from their mechanical properties The procedure having auto calibrated the controller check petrol injection times in individual engine cylinders Turn one gas injector at a time to check cylinders in which the times differ after switching from petrol to LPG If necessary adjust per cent correction factors so that the times do not change after switching to LPG WARNING Use this option as a last resort i e when sure that the installation was performed properly all mechanical issues have been eliminated and injection times variations for given injectors are still present when using LPG Do not ever use injection strip collector pipes of different lengths and then the injectors calibration to accommodate this difference Also never use this option when the system is not in a perfect working condition or when some of its elements have worn out Us
32. 2 RED BLACK P mri AL Chose the proper type IGNITION of sensor in software SWITCH GREY VIOLET GREY VIOLET VIOLET BLACK VIOLET BLACK PETROL LPG VIOLET SWITCH WHITE GREEN 1 L ___________________ N BLACK BLACK X RED gt ECU 1 UEGO 1 LAMBDA SENSOR bg SENSOR 2 i wideband 1 VOLTAGE 1 CURRENT i before i E i i 1 i V 1 ee eee ee 20 into the socket ATTENTION Description and connection diagram of UEGO sensor is located in the help section of controller configuration program 15A RED BROWN ATTENTION For a detailed description of connecting to OBD refer to the controller connection and programming manual A BATTERY OBD Connector 00000000 BLACK 00000000 BLUE 1 Pl 4 LI 1 LI 4 LPG or CNG PETROL INJECTORS or CNG INJECTORS EN VE CE SS ISO 15765 150 14230 BLACK 6 ORANGE GREEN 7 YELLOW Bero YELLOW BLACK d ORANGE 15 x ci YELLOW BLACK E GREY YELLOW ORANGE iiis WATER P GREEN BLUE RED E 42V TEMPERATURE T GREEN BLACK GREY GREEN SENSOR BLACK CT 04 2K ORANGE BLACK e si
33. 2013 12 05 2013 12 05 2014 04 17 2014 04 10 2014 04 17 2014 04 17 2014 04 17 2014 04 17 2014 04 17 11H 26M 2234 DH DM 0 41H 78 DH OM 09 Time 19 28 43 19 29 27 12155143 10 04 22 12142128 12 50 58 12155 15 13 14 01 12158948 1101131125040173 4 701276 Lode 64260416 64260416 4791276 1442 29 14420 29E 791276 4791275 4791275 qCy31276 Fig 15 Gas controller info window The Gas controller info window B d mo na odnale r d a odwotania Fig 15 shows the following parameters ECU working time Fuel working time of the controller using petrol listed in the following format H hours M minutes S seconds Since last connection working time of the controller using petrol since its last connection with a PC Gas total working time of the controller using LPG AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 16 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Since last connection working time of the controller using LPG since its last connection with a PC Service
34. 4 Inj time ms Petrol 3 6 44 Inj time ms Petrol 4 6 44 Gas Dose ms Gas 1 7 92 Gas Inj Dose ms Gas 2 7 92 as Dose ms Gas 3 7 92 as Dose ms Gas 4 7 92 Fig 27 frame of injector error 2 8 2 Gas controller message Messages are prompts that are not necessarily related to detection of events limiting or preventing the operation of the autogas system but signal the required verification of the configuration Unlike the errors message prompts are displayed in blue The controller can generate the following messages Description in AC STAG application 7 Gas injectors fully open Check the Lambda Looping of gas injection i e one gas injection pulse sensor at maximum load is overlapped by another pulse If the Lambda sensor during the message display works in a rich mode the error can be ignored otherwise use larger injector nozzles to reduce the multiplier LPG CNG locking review The gas installation requires a service inspection Lock LPG CNG option checked The controller will not operate in gas fueling mode until the service message Is erased New settings The controller indicates new settings The message is uSually displayed when new firmware is installed to remind about the new options Low gas temperature Low gas temperature detected in gas fueling mode Check the condition and method of reducer installation
35. 5 743 81 00 fax 48 85 653 93 83 STAG autogas systems To move the points on the map use the following keys lt left arrow moves the point to the left change of the injection time for a given point right arrow moves the point to the right change of the injection time for a given point down arrow decreases the multiplier for given injection times up arrow increases the multiplier for given injection times insert when a point is active or right mouse button add a new point Delete delete a selected point on the map Up Rising a selected point by 10 units or the entire map if no points are selected Down lowering a selected point by 10 units or the entire map if no points are selected Ctrl lt change the active point move to the next one When the Shift key is pressed in the map movement speed is multiplied by 10 fast movement When no point is selected the arrows move the entire map Apart from the multiplier map there are two other maps in the window The blue map represents the petrol injection times with petrol The right axis Collector pressure Bar and the lower axis Injection Time ms relate to this map The map consists of blue points After collecting the data the controller turns these points into a continuous line The same applies to the so called LPG map i e the map of petrol injection times with which is
36. D LPG LEVEL SENSOR WPG BLACK BLACK WHITE RED H LPG LEVEL SENSOR LPG or CNG MULTI VALVE WPGH HL ELECTRO VALVE e RED supply ORANGE BLACK Sani eH BLACK ara 3e CE LiT Cas TO INLET MANIFOLD 2 189 iu X _ D xr oM C OUTPUT PRESSURE and TEMPERATURE SENSOR Fig 1 STAG 4 QBOX BASIC controller installation layout diagram AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 4 8 www ac com pl info ac com pl AG AC S A ul 42 Pulku Piechoty 50 15 181 Bia ystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 M 9 autogas systems 1 2 Layout diagram STAG 4 QBOX PLUS FUEL LEVEL EMULATOR Description of connection is located in the manual W EPP 2 dedicated harness ATTENTION The function is present only in new hardware PLUS U 12V m
37. D 300 401B LED 401 switchboard LED 300 401B and LED 401 LED switchboard consists of Gas level indicator four diodes in a circular arrangement showing the current gas level in the tank Four green diodes indicate that the tank is full Button with AC logo used for fuel switching and indicate current operating conditions Off PETROL mode indication that the engine is fueled with petrol Slow blinking once per second AUTO mode the engine is started on petrol and switches to autogas when the set parameters are achieved Normal blinking twice per second no acoustic signals AUTO mode the engine is started on petrol and switches to autogas when the set parameters are achieved The system switches the engine to gas fueling The state may continue for up to 10 seconds depending on engine working parameters at the moment and controller settings Fast blinking 4 times per second with acoustic signals EMERGENCY mode system error prevents gas fueling e g empty gas tank LPG installation fault the engine runs on petrol Continuous light in white GAS mode the engine is supplied with autogas Continuous light in red operation on gas low fuel level If the controller is connected to the LED 401 switch additional functions are available user can adjust LED brightness 4 brightness levels if automatic LED brightness is Off The user can adjust the volume of buzzer installed insi
38. FT trims results of a wide band oxygen sensor The window displays set of 96 parameters available in OBDII EOBD standard Parameters unavailable in a given vehicle are grey In order to add or remove a parameter from the reader select it or deselect it in the field on the left side next to its description OBD reader config Status Fuel system status m Eng Temp Engine coolant temperature 5TFT B1 Shart term Fuel trim Bank 1 v B1 Long term Fuel trim Bank 1 iv F PRESS Fuel pressure vi RPM Engine RPM v Timing advance v InAirTemp Intake air temperature TP Throttle position v O2 51B1 Tr Bank 1 sensor 1 oxygen sensor voltage she Select all Deselect all Fig 47 OBD2 EOBD reader configuration AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 44 8 www ac com pl info ac com pl STAG Tes 21110045 systems AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 2 21 Digital recorder Advanced functionality of STAG gas controller allowing observation of the electrical pulse curves in the monitor window This function records the real p
39. Gb5G7G68 Bil ITrrrrrm Reset idol Fig 49 Assignment of gas injectors to banks The Auto button enables automatic assignment of injectors to a specific bank However if the procedure fails or it is assumed that the results of previous automatic assignment are incorrect manual identification is required Start the engine and wait to establish communication between the controller and the OBD interface The engine should work on idle speed without active adaptation Reset the value of correction to zero for all gas injectors Save the STFT and LTFT correction values for Bank 1 and Bank 2 Next perform the following procedure starting from the 1st gas injector 1 Change the trim value for gas injector from O to 25 in the Gas injectors settings window 2 Observe which of the 2 banks shows changing STFT LTFT trims to lower values 3 Having identified the bank with changing trims assign the respective injector to the bank 4 Set the injector correction value to 0 After this STFT and LTFT trims should restore the initial values observed before stage 1 Repeat the described procedure steps 1 to 4 for the remaining gas injectors in the system After the assignment of gas injectors to the bank activate autoadaptation if necessary set the initial gas correction values AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any
40. Inj seq G1G2G3G4G5G6G7G8 Bom b 12 21 1 B I zie i SA n 8 80 B ALK t4 us TIT NMIFITT nj 15 sj BST TT T FTT 16 sap 16 us Ej nim Fr B F b A F I8 t 18 0 t us Injection sequence configuration Current sequence Pl Gl1P2 G2 P3 G33 P4iG4 P5155 P6 GO PZO PSS Detected sequence Status Process in progress 4 Fig 18 Automatic configuration of the injection sequence AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 20 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Banks auto assignment Eg Status Idle Fig 19 Automatic bank assignment Flow test Injector 1 Injector 5 Injector 2 Injector amp Injector 3 Injector 7 Injector 4 Injector Status Process in progress 12 Fig 20 Gas injector flow test Bank 1 2 The option allows assignment of injectors to banks available
41. OL TAP timing advance processor is installed in the vehicle The blue wire of the TAP harness should be connected to the AUX output FUEL PUMP CONTROL If the autogas system contains a fuel pump cut off relay SECOND SOLENOID VALVE CONTROL the AUX output performs a role of the second solenoid valve control This applies to new hardware versions of the controllers STAG 300 QMAX PLUS STAG 4 QNEXT PLUS STAG 4 QBOX PLUS from version 3 BO function is present only in STAG 300 QMAX PLUS controllers 5 This applies to new hardware versions of the controllers STAG 300 QMAX PLUS STAG 4 QNEXT PLUS STAG 4 QBOX PLUS from version 3 BO AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 23 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems ACTIVE WHEN ENGINE IS RUNNING the AUX output will be actuated if engine rom signals are detected ACTIVE WHEN PETROL IS USED the AUX output will be actuated if the controller is in the PETROL mode ACTIVE WHEN GAS IS USED the AUX output will be actuated if the controller is in the GAS mode In QBOX
42. ON In the case of FLE FC only the yellow cable connection is needed without splitting the circuit of the floater green cable should remain unconnected Es 67R 01 4903 110R 00 4904 10R 03 6616 www ac com pl _U 1 W EPP 2 Harness VEHICLE ECU float positive wire on the ECU side YELLOW FLOAT GROUND ABCDEFGHJKL ooogoooooO CO On 22 40008000000 OO3 0000000000 O O4 FJ A p View of the gas controller s harness connector from the wiring side Fig 6 Wiring diagram for fuel level emulator FLE connection to STAG 4 QNEXT PLUS connection description Pin no wire colour float positive wire on the float terminals side 3D GREEN AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 8 www ac com pl info ac com pl Als AC S A ul 42 P
43. QNEXT controller harnesses the AUX output pin 2L is unassigned Pre filling system if the option is activated turning the key switch will open the solenoid shortly to prefill the system with gas Ignition switch signal connected This option can be unchecked to omit the ignition switch signal connection It is only allowed for vehicles in which petrol injector fueling is coupled with the ignition switch signal fuelling of new petrol injectors is displayed upon turning on the ignition switch and disappears when the ignition switch is turned off Otherwise connect the ignition switch signal and keep the option active The Car info window lists the following groups of parameters Gas installation fitter contact details of the installation of a gas fitter Car info car data which was mounted the gas installation Gas installation general information about the components of the gas installation 2 5 Signals ingectors LED switchboard On the right side of the window there are the Monitor windows The Monitor window shows the following signals measured by the controller 1 Gas pressure bar LPG CNG pressure value the difference in the pressure regulator pressure and the suction collector pressure MAP pressure bar pressure inside the suction collector absolute pressure value 3 Injection time ms petrol injection time P1 P8 Petrol injection time for Injector 1 8 Gas injecti
44. System Too Lean Bank 2 Post Catalyst Fuel Trim System Too Rich Bank 2 Clear counter 0 Reset counter Max clears gt Select gt Delete selected Fig 29 The view of the OBD error clearing configuration window 2 9 Multiplier map The Maps tab displays various charts that visually present gas controller operational characteristics Multiplier 129 91155901 dy c Inj time ms Fig 30 Multiplier map Fig 30 shows 3 maps Multiplier map orange Petrol injection time map with petrol blue Petrol injection time map with LPG green The multiplier map is displayed in orange The left axis of the co ordinate system Multiplier and the lower axis Injection time ms relate to the multiplier map The multiplier map is used to set the multiplier for a given petrol injection time The yellow points visible at the map are used to set the multiplier To move a given point select it by clicking on it The value of a selected point is displayed at the lower right corner of the map AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 32 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 8
45. TAG 4 Q BOX connector BLACK Fig 2a Wiring diagram for STAG 4 QBOX QNEXT QMAX PLUS connection to OBD interface AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 5 8 www ac com pl info ac com pl Als AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 imum M autogas systems 1 3 Layout STAG 4 QNEXT PLUS FUEL LEVEL EMULATOR Description of connection is located in the manual dedicated harness f 7R 01 4903 1108 00 4904 10R 03 6616 WWW 8C COITI D Usi2v Al x BROWN _ catalytic converter ATTENTION Proper fuse needs to be placed a INTERFACE IGNITION Bluetooth NEXT Ree COIL f Quas No STAG mw DIAGNOSTIC m n 6 1 CONNECTORS an gt lammi INERFACE I RS 232 or USB i IF
46. The 3D view is a spatial display of the two dimensional map You can rotate the 3D map dragging it with the right mouse button Other editing operations may be performed identically as in the 2D map 2 11 Petrol portion map The Petrol portion tab offers configuration of the petrol post injection with simultaneous gas injector control Configuration of petrol post injection is made on a two dimensional map with an RPM and petrol injection time axes Like on the RPM correction map the cursor shows the engine operation curve point Navigation on the petrol portion map is identical as on the RPM correction map i e cursor keys lt 7 SHIFT CTRL keys can be used to select map areas and modify their values Parameters Autocalibration Errors Maps Recorder Diagnostic Multiplier RPM correction Petrol portion Gas temp corr Red temp corr Gas press corr B G D ISA2 bank 1 J G _ 2 _ a oo pp 5 Oo Oc oOo oOo oO oO 5 5 5 gt 6 6 eo 6 9 0 s J _ 2 a a 5 cO Oo oO oc 5 oo C C oO oO cO oO c o c5 4
47. actual values 2 The AC STAG diagnostic program 2 1 Controller computer connection Using a RS USB or Bluetooth NEXT link connect the vehicle installed STAG 4 QBOX BASIC QNEXT STAG 300 QMAX PLUS controller with a PC computer on which the Ac Stag diagnostic program is to be run Turn the vehicle ignition switch ON to supply the controller with power before launching the program This step is required since no communication with the controller is possible while it is in sleep mode into which it is automatically turned about 10 minutes after its power is disconnected As soon as the program is started the controller links with it provided the correct COM serial port is selected Successful communication is confirmed by the Status No ignition switch Status Waiting for gas Status Petrol or Status Gas message displayed at the bottom left corner of the program screen Parameters window and tabs are presented on figures 11 14 If you get the Controller Error message and No connection appears in the lower left corner of the screen select a different COM port from the Port menu at the top of the screen AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 13 8 www ac com pl info ac co
48. ap Parameters Autocalibration Errors Maps Recorder Diagnostic Multiplier RPM correction Petrol portion Gas temp corr Red temp corr Gas press corr B G D ISA2 bank 1 B 5 Qd d 466 eo e e i d d 6 oO o oc 5 Oo oO o o a o O d d dh 3 hh hh s ooo oco o o o 3 oO o o oo o o OQ O Oo o0 o0 o o o H 6 o o ooo oOo oO oc o o 3 oO oO Fig 34 view on the RPM correction The RPM correction map forms a plane One axis of the plane represents the petrol injection time ms while the other represents engine revolutions rpm The map makes it possible to calibrate the multiplier depending on engine revolutions This is shown In Fig 34 It is possible to enrich weaken the mixture for a defined petrol injection time and revolutions In order to calibrate the multiplier the area which is to be calibrated must be selected by moving the mouse with the left button pressed ov
49. automatic clearing configuration window AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 31 8 www ac com pl info ac com pl AC S A ul 42 Putku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG Tes 211100245 systems clear list configuration Allowed DTC Selected DTC O2 Sensor Circuit Slow Response Bank 1 Sensor 2 P0461 Fuel Level Sensor A Circuit Range Performance O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2 O2 Sensor Circuit Slow Response Bank 2 Sensor 2 O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2 Catalyst System Efficiency Below Threshold Bank 1 Warm Up Catalyst Efficiency Below Threshold Bank 1 Main Catalyst Efficiency Below Threshold Bank 1 Heated Catalyst Efficiency Below Threshold Bank 1 Catalyst System Efficiency Below Threshold Bank 2 Warm Up Catalyst Efficiency Below Threshold Bank 2 Main Catalyst Efficiency Below Threshold Bank 2 Heated Catalyst Efficiency Below Threshold Bank 2 Fuel Level Sensor A Circuit Range Performance Post Catalyst Fuel Trim System Too Lean Bank 1 Post Catalyst Fuel Trim System Too Rich Bank 1 Post Catalyst Fuel Trim
50. ch a case the controller will display the long injection time error message In such case make sure that the Lambda sensor indicates a rich fuel mixture 3 2 Collection of the petrol injection map with petrol petrol map Having finished the auto calibration switch over to petrol and drive the vehicle for app 4 km to collect the petrol map During the collection of the map try to drive without changing gears e g at the 4th gear and in a way making the lambda probe to work i e changing its mode from weak to rich Blue points should appear during the collection of the map To collect the map quicker adjust vehicle load in such a way causing new points to be collected in places which are still empty Collection of maps is performed without participation of the diagnostic software thus can be done with the PC disconnected However collecting the map while the PC is connected and the diagnostic software running is quicker and enables the operator to see what is actually happening to the vehicle When the controller collects sufficient number of points the map will be drawn with a continuous line and the petrol map collection is finished AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 90 www
51. connected no probe Reverse voltage reverse action voltage probe AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 18 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Injection type type of injection used in the car Standard standard indirect injection petrol injectors with no current limit Henix indirect injection system petrol injectors with Renix current limit Inj Control type type of petrol injectors control Standard standardowe sterowanie sekwencyjne Doubling petrol injectors are controlled in pairs i e 2 injectors are controlled from a single channel in the petrol controller The Gas controller settings window lists the following groups of parameters Switch over to gas parameters related to switching from petrol to LPG type type of fuel in the LPG system LPG or Switch over threshold engine rpm required for the controller to switch to LPG For rpm set to 700 the controller switches to LPG at idle run Switch over time time after starting the engine when the controller can
52. controller If the cause of the fault is eliminated the entry is moved to the Error records section In other words this means that a defect had been detected but it is not currently active A Delete button for erasing recorded controller errors from the memory is located in the bottom part of the Errors tab below the Error records section The following errors may appear during operation Gas injector missing Open circuit or fault of the specified gas injector Low gas pressure Gas pressure dropped or kept below the allowed low limit within the specified time High gas pressure Gas pressure 2x higher than the operating pressure for 60 seconds usually associated with reducer problems Supply voltage too low Controller supply voltage decreased below 9 V usually associated with a failing battery AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 28 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Gas temperature sensor missing Disconnected or disrupted circuit of the gas temperature sensor Reducer temperature sensor missing Disconnected or disrupted circuit of t
53. cuit or failure of the supply Gas level indicator WPG circuit is overloaded or short circuit for gas level indicator circuited to the ground connected load is too high Upon error detection the controller records its conditions i e operating parameters of the gas system including pressure gas temperature reducer temperature engine rpm manifold negative pressure petrol injection pulses and gas dose Such data is normally called a frozen frame of the error and allows analyzing and detecting problems in gas system operation applies to new hardware controllers STAG 300 QMAX PLUS STAG 4 QNEXT PLUS STAG 4 QBOX PLUS from version 3 BO AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 29 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Gas controller errors and messages Actual 3 No gas injector 4 0 Pressure Bar 0 54 Pressure Bar Gas 1 34 Temperature C Gas 23 Temperature Red 40 Temperature Internal 40 RPM RPM RPM 908 Other V m Battery 12 Inj time ms Petrol 1 6 44 Inj time ms Petrol 2 6 4
54. de the switch switch can be installed in any position to allow comfortable control of gas level indication and the reference position is the position of the buzzer Automatic detection of the connected switch If LED 401 is connected the application also shows LED 401 4 3 Automatic calibration of LPG level indicator The automatic calibration of LPG level indicator should be carried out when an empty tank is being filled with gas The indicator type should already be set but if necessary the procedure itself may change its type e g from ascending to descending The calibration procedure is as follows Press and maintain the switchboard push button Switch off the ignition switch during to three seconds after pressing push button Depress the button when the switch initiates level indicator calibration AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc o3 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Process of calibration is signalized on the LED in form of continuously increasing gas level When the tank filling is over switch on the ignition
55. e resulting OBD corrections for each bank are displayed as a map with rpm and negative pressure axes Map content is also automatically refreshed during controller autocalibration minimum engine temperature Engine temperature threshold read through OBD2 EOBD or emulated by the controller above which it is allowed to correct the gas dose Target DBD corr BI Fig 52 OBD target correction map Prog w czenia Warto poszerzajaca zakres akceptowanej docelowej korekcji Switch on threshold A value that extends the range of acceptable resultant target correction For example a threshold of 496 with target correction of 096 on the map means the range of 496 4 of the OBD resulting correction within which the adaptation procedure will not correct gas doses LTFT max a limit maximum trim value that the OBD autoadaptation can make Acquire OBD correction map Activation results in automatic filling of target correction maps when driving on petrol Reversed STFT In conventional fuel dose control systems OBD correction values are positive for the lean mixture and negative for the rich mixture The option should be active in vehicles in which the relation between the mixture and OBD correction positive negative status is reversed Adaptation OL OBD correction values are used if the engine open loop control is applied Activation of the option allows additional adaptation adjusted to th
56. e status of the open loop In order for the function to be activated by the controller a Lambda probe must be connected or Lambda value must be read by the OBD2 EOBD reader AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 49 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems 2 24 Controller update To update the controller connect it to the diagnostic software and turn the engine off Select Tools Devices update from the main menu All available devices are automatically found The Devices update window will pop up The Devices Parameters window shows the information on current controller firmware version The Available updates window includes a list of updates available for the connected controller Loading an update not included in the program directory requires clicking Read update and selecting the update file Loaded update should be included in the list of available updates Click Update once the update file has been selected from the list When the progress bar reaches 100 the controller will disconnect and then re connect The new
57. er this area Another method is to press the SHIFT key and while holding it to select the appropriate area by pressing arrow keys lt Left arrow TUparrow Right arrow Down arrow Having marked the area which is to be calibrated specified actions can be performed by using the combination of the CTRL key and one of the keys below 1 Arrow up higher calibration richer mixture Arrow down lower calibration leaner mixture Pressing the SHIFT key in the course of the multiplier calibration will multiply the required step by 10 The 3D tab seen on the right side of the RPM correction map windows allows activation of a 3D view Return to the classic two dimensional view is made through the 2D tab AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 36 8 www ac com pl info ac com pl STAG 211100845 systems AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 Parameters Autocalibration Errors Maps Recorder Diagnostic l Multiplier RPM correction Petrol portion Gas temp corr Red temp corr Gas press corr B G D ISA2 bank 1 B Fig 35 3D map view
58. eratures and or damp AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 12 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems 1 8 Selection of pressure regulator Install the controller according to the layout show in Fig 1 to Fig 4 In a sequential injection system pay attention to select a pressure regulator properly matched to the given car engine power and injector nozzles A pressure regulator that is poorly matched to the car engine power will not be able to provide sufficient supply of gas at large demand fully open throttle and to maintain nominal gas pressure within the system Should gas pressure drop below some preset low threshold the controller will automatically switch to petrol 1 9 Selection of injector nozzles Injector nozzles diameter must also be matched to the given car engine power see the table below Power per cylinder is engine power divided by number of cylinders in the engine Nozzle diameter mm Power per cylinder range KM reducer 1 bar 17 18 TB 1 9 2 2 17 28 The above rough values some cases not correspond to
59. exceeded you will not be able to start the engine on LPG in emergency mode Injectors heating check to enable warming up gas injectors when vehicle was parked longer time at freezing temperatures Active procedure is marked with a red line displayed on the oscilloscope screen and with blinking gas injector icon in the parameters monitor window Petrol portion a set of options to allow automatic modification of petrol share map so that for rpm higher than the value set in the minimum rpm field and injection pulses longer than the value set in the minimum petrol injection time field gas injection will be supported with petrol injection pulse equal to the value of the petrol adding time field Pressure release in the course of driving when gas injectors are not controlled e g in the cut off status gas pressure in the gas controller may rise If this option is on when pressure exceeds the set value Switch over threshold the controller will start a procedure to bring it down The procedure is switched off when the pressure drops down to 1 5 bar Pulse frequency parameter controls the frequency of the injectors opening Leaning on cold engine the cold leaning option allows eliminating the effect of jerking as a result of gas overflowing to the cold engine The problem occurs in certain vehicle models If necessary set the parameters as follows engine temperature threshold should be close to the engine
60. gas systems 2 4 Controller Parameters The controller firmware version is shown at the bottom of the screen Fig 11 Text presented on the exemplary figure means he following STAG 300 8 QMAX PLUS controller model 2 4 0 controller firmware version number 32 4 1 controller version number The Parameters window lists a number of parameters which need to be set individually for each vehicle The Car parameters group contains Number of cylinders numer of engine cylinders Engine type engine type Standard normally aspireted engine with no supercharger Turbo supercharged engine Valvetronic Source of RPM signal engine speed signal source Ignition Coil ignition coil standard option Set the number of cylinders per one coil for correct data presentation Camshaft timing belt sensor This option is very useful in vehicles in which cylinders are switched off in the cut off state and lack of ignition coil pulses might be interpreted by the controller as zero engine speed CAUTION Use that option only with a digital sensor of the timing belt Define number of pulses per one engine revolution Option active while a timing belt digital sensor feeds engine speed pulses to the controller specifies the number of pulses per one engine revolution Parameter value must be adjusted for correct engine speed readings in the controller Petrol injection pulses In older cars the engine speed brown wire
61. h maps match the characteristics are properly set 3 4 Checking if maps match verification of deviations Having collected the petrol and LPG maps both maps drawn with continuous lines check the deviation between them In the Map window there is the D button located on the right Press it to see the deviation graph drawn with a red line If the deviation fits within 10 the controller is programmed properly otherwise the multiplier characteristics should be corrected at points where maps do not match 3 5 Controller manual setting The controller may also be set up manually which provided sufficient experience has been gained may prove quicker than the above described procedure Start with the auto calibration in the same way as described above this is necessary to ensure the controller works properly see 3 1 If the auto calibration finishes properly and the multiplier values are correct for the calibration point switch the engine to petrol and take it for a ride The multiplier characteristics need to be set in the following way Drive the car with a constant load the petrol injection times should be stable Adjust the engine loads so that the injection times equal e g app 5 ms The blue marker will help determine the injection times as it is location on the horizontal axis is determined by the injection times Next switch the car to LPG and watch the blue marker for variations in injection times when compa
62. he reducer temperature sensor Gas temperature sensor circuit Gas temperature sensor shorted to vehicle grounding Reducer temperature sensor circuit Reducer temperature sensor shorted to vehicle shorted grounding Injector supply circuit failure Controller s circuit for injectors supply failed Solenoid valve supply circuit failure Overloaded or defective circuit or solenoid supply Solenoid valve missing Disconnected or disrupted circuit of the solenoid supply Peripherals supply circuit failure Overloaded circuit of peripherals supply PS 02 sensor WPG H gas level indicator Connection with the switch failed LED 400 LED 401 switch not connected Communication with the switch lost Connection with LED 400 LED 401 switch interrupted Reversed connection of the emulation circuit of the petrol injector with the indicated number Detection of a reversed connection is active only in the GAS fueling mode Channel indication is valid for sequential control Emulator not connected channel systems With semi sequential control channel J indication refers to the pair in which one or 2 emulator s is are connected incorrectly If the full group control is used the indication is not precise and channels should be manually switched to petrol to identify incorrectly connected emulator circuits Failure overload of AUX 12V circuit AUX 12V circuit is overloaded or short circuited to the ground connected load is too high Short cir
63. ine if selected switching to gas will be carried out under unloaded engine conditions This option can be useful when the injection sequence is changed to mitigate fuel switching effects Petrol switch over parameters related to switching from petrol to LPG Min gas RPM min rpm when lower the controller will switch over to petrol gas RPM engine rpm when higher the controller will switch to petrol Pressure error delay amount of time with the LPG pressure lower than minimal before the controller switches to petrol and reports LPG pressure too low Intelligent press drop service the function allows to utilize gas residues in the LPG tank Min gas temp min LPG temperature when lower the controller will switch over to petrol load on gas the maximum load value in the LPG mode above which the controller switches to petrol This option is very useful for the engines in the case of which petrol injectors can be fully opened In such a situation the LPG controller can only open LPG injectors permanently as well However corrections e g resulting from changes in the LPG pressure will be no longer possible The moment when petrol injectors are fully open corresponds to the load value of 100 96 If petrol injectors become fully open the Max load on gas parameter should be set to approximately 95 9o This will result in controller switching to petrol before full ope
64. ing this option in a manner not consistent with the above instructions may result in damage to the car Injection sequence Here you can freely configure the injection sequence which petrol injector is to control respective gas injector In 4 cylinder controllers the 180 button is used for quick switching of the injection sequence This results in switching of 1 1 2 2 3 3 4 4 configuration to 1 3 2 1 3 4 4 2 Configuration automatic checks of the petrol injection sequence AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 21 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Bialystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Reducer temperature sensor pressure regulator temperature sensor type selection Gas temp sensor gas temperature sensor type selection Extra injection off threshold petrol injection pulses shorter than the set value will be ignored by the controller gas injection pulses will not be generated for them Intelligent extra injection handling checking the option will result in leaning of the post injection pulses It should be used for extra injection pulses that are too l
65. istribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 27 8 www ac com pl info ac com pl AC S A ul 42 Putku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG 211100845 systems STAG 0 15 7 Port Window Language Tools Help 10 x Parameters Autocalibration Errors Maps Recorder Diagnostic Gas controller errors and messages Engine controller errors Actual Pending Pressure Bar Registered Registered S P1 2 91 iv G1 P2 2 91 G2 2 92 G3 P4 2 92 iv G4 0 00 P p p Temperature Clear Clear Gas 24v Red Oscilloscope Internal 72 5 Other V 96 ry 45 Lambda 1 0 03 Battery 13 46 3 RPM RPM amp 25 RPM 680 Engine load se 10 20 30 40 51 60 70 680 90 100 110 120 130 140 150 160 170 180 190 200 D mj si xi Hj Status Petrol STAG 4 QBOX PLUS ver 2 1 1 33 1 0 2014 04 28 15 53 16 Fig 26 The view of Errors tab 2 8 1 Errors of the gas controller Detection of events that restrict or prevent correct operation of the autogas system 15 indicated by messages with descriptions in red oection Active errors lists the codes of current faults detected by the
66. l portion Gas temp Red temp corr Gas press corr G D 1 2 1 Correction 1 Fig 37 Gas temperature correction map view 2 13 Reducer temperature correction map Reducer temperature map calibration allows for additional percentage matching of the multiplier Adjustment of the reducer temperature map calibration is similar to the multiplier map Modification of the correction line of the regulator temperature can be used in vehicles where petrol fuel dosing strongly depends on the degree of the engine temperature Parameters Autocalibration Errors Maps Recorder Diagnostic Multiplier RPM correction Petrol portion Gas temp corr temp corr Gas press corr B G D ISA2 bank 1 3 5 res e X 40 00 Y 15 00 Fig 38 Reducer temperatur correction map view AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 38 www ac com pl info ac com pl AC S ul 42 Pu ku Piechoty 50 15 181 Bia ystok Poland 1 tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems 2 14 Gas pressure correction map The controller is provided with automatic gas injection time correction based
67. ly referred to as K line The reader is initiated by selecting the OBD reader option on the gas settings tab If the controller operates in auto mode it will attempt to connect to the OBDII EOBD diagnostic system upon activation of the ignition switch AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 43 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems f OBD reader A value 3 10 94 9 9 2 34 0 898 rpm O2 S1B1 Tr 0 68 V 10 94 Connected Fig 46 OBD2 EOBD reader The reader window can display maximum 7 parameters at the same time Navigation is realized with buttons which are used to scroll through the parameters read via OBDII EOBD For showing or hiding the parameters of OBD reader on the oscilloscope in the application use the button The button eb opens the parameters configuration window Figure 47 which allows creating any sets of displayed parameters thanks to which it is possible to display a set including only parameters that are required for system calibration such as fuel loop status STFT and LT
68. m pl S A ul 42 Pu ku Piechoty 50 15 181 Bia ystok Poland 1 tel 48 85 743 81 00 fax 48 85 653 93 83 STAG es 211100245 systems STAG 0 17 11 SEE Port Window Language Tools Help FE Monitor x Autocalibration Errors Maps Recorder Diagnostic Car parameters Gas controller settings Advanced settings Car info Engine parameters Engine type Standard andard Pressure Bar amp Source of RPM signal Ignition Coil v EE 1 36 Number of cyl per coil single col MAP 1 79 RPM signal 1 0 Inj time dose ms RPM signal filter P1 7 71 G1 P2 7 72 V G2 7 i 7 72 M Not connected PA 7 72 G4 Not connected 5 7 72 G5 P6 7 72 6 7 12 4 73 7 12 4 43 7168 7 13 Temperature Gas 22 Red 60 Internal 37 Engine emul 90 Other V mA Battery 13 49 RPM RPM 2913 Engine load 96 NECENN gt Sensors and actuators Lambda sensor 1 MM NUM h h mh S S ISTIS ST IST ISTIS E lt Lambda sensor 2 Advanced settings Injection type Standard Inj control type Standard Status Gas STAG 300 8 QMAX PLUS ver 2 3 0 32 4 1 2015 03 24 09 00 20 Fig 11 Parameters window Car parameters Window Language Tools Help Parameters Autocalibration Errors Maps Recorder Diagnostic Car parameters
69. me dose ms P1 5 25 v G1 4 46 P2 5 25 G2 4 46 P3 5 25 v G3 4 47 5 25 GA 4 48 P5 5 25 G5 4 47 5 24 6 4 46 5 25 1 4 47 525 4 48 Temperature Gas 65 Red 78 Internal 37 Engine emul 90 Other V mA 96 LI Battery 12 05 AUX voltage 0 00 RPM RPM 2322 Engine load load STAG 300 8 QMAX PLUS ver 2 4 0 32 41 2015 07 16 10 37 04 Fig 13 Parameters window Advanced settings GE STAG 0 17 11 Port Window Language Tools Help PE Monitor Parameters Autocalibration Errors Maps Recorder Diagnostic 3 Gas controller settings Advanced settings info Pressure Bar Gas MAP Inj time dose ms 7 71 V G1 7 71 V G2 7 72 7 72 7 43 G5 4 73 v G6 7 13 v1 G7 ZIM Temperature C Gas 22 Red 60 Internal 37 Engine emul 90 Other V mA 96 Battery 13 49 RPM RPM A RPM 2912 Engineload load 96 STAG 300 8 QMAX PLUS ver 2 3 0 32 4 1 2015 03 24 09 00 20 Fig 14 Parameters window Car info AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 15 STAG autogas system
70. nactive the map can be used for additional manual corrections of gas fuel dosing AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 42 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Parameters Autocalibration Errors laps Recorder Diagnostic Multiplier RPM correction Petrol portion Gas temp corr Red temp corr Gas press corr 1 G B1 D B1 corr B1 SQUE 04 045 02 025 03 035 04 045 05 055 06 065 07 075 08 085 09 095 1 a pi qi 0 i 0 i o pi o i gj OA O OA gt O OG mm c A Se c3 3 3 c3 C3 c G cC cC Cc c3 c3 m c AS 3 3 3 3 3 c2 c3 c 3 C c Cc C3 44 44 44 O O OA AOA O OG cc c C2 C2 C2 C2 cB c3 coc c C2 C2 C2 C2 cC C cC tJ cJ cc Cc C2 C2 C2 C2 L Ij
71. nce is kept within 0 6000 FLE JC emulator type designed for vehicles mainly Japanese models in which float resistance is kept within 100 5500 Prior to selection of the emulation type connect the controller to the float circuit figures 5 7 using a dedicated harness type W EPP 1 STAG 300 QMAX PLUS or W EPP 2 STAG 4 QBOX QNEXT PLUS In the case of FLE FC emulation connect only the yellow line without cutting the float circuit Fuel pressure emulator FPE this option activates the integrated petrol pressure emulator required for vehicles that generate fuel pressure errors when the engine is fuelled by gas In order to use the option connect the controller to the petrol pressure control circuits as shown on figure 8 according to recommendations presented in Table 1 Next perform emulator calibration Figure 21 In order to initiate the procedure press the otart button and start the engine that has been warmed up earlier The calibration is an automatic process and takes about 3 minutes Correct calibration will end with the Completed successfully message FPE calibration Status Process in progress 28 Fig 21 Calibration of the fuel pressure emulator AUX output configuration enables operating mode to be selected for universal control output This output can provide voltage close to that of the battery Output current capacity of 0 25A Possible configurations TAP CONTR
72. nd petrol map is acquired button tor multiplier matching function is activated The operation modifies the multiplier based on a deviation between the recorded maps for petrol and gas injection If map differences are minor the multiplier is not modified It is recommended to acquire injection time maps for the full suggested range of engine operation Multiplier matching is locked when autoadaptation is active 15 OBD 24 pm IU ER 22 o 0 8 llc 07 E s Spa wei Nee 05 4 a a 042 EN pem E 01 1 12 14 16 18 20 22 24 Inj time ms 2 4 8 10 Multiplier 12 14 16 18 20 22 24 Inj time ms DEC RE SE ES Fig 33 Multiplier map Operation of the multiplier matching function AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 35 8 www ac com pl info ac com pl AC S A ul 42 Putku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG en autogas systems 2 10 RPM correction map In the RPM correction tab an additional correction map is displayed to supplement the multiplier m
73. ned within this document in particular photographs drawings illustrations trademarks etc www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems NI ea eee EE OE 45 2 22 Assignment of gas injectors to 45 ee ee eee 47 225 A MEE 2 25 4 2202 ORO 48 PL NU Ses 50 3 STAG 4 QBOX QNEXT STAG 300 QMAX PLUS controller programming 50 vm MP Teller m 50 3 2 Collection of the petrol injection map with petrol petrol 20 7 270006000010000 50 3 3 Collection of the petrol injection map with LPG LPG 51 3 4 Checking if maps match verification of eese enean nhanh nnns naar nnns snas 51 EAA 51 3 6 LFG temperature CorfeClol 52 4 LED switchboard operation and acoustic signals User Manual 52 U0 SWCD OAC M
74. ng monitor parameters described in section 2 5 In the bottom left part there are control buttons with the following functions from the left Start the oscilloscope Stop the oscilloscope Save current oscilloscope display Load saved oscilloscope display file Decrease the number of displayed points only for loaded graphs Increase the number of displayed points only for loaded graphs Display oscilloscope file information data logging start stop total number of stored samples application version controller version controller serial number Continuous green line is displayed at top of the oscilloscope screen while the controller operates in the L PG mode red line indicates operation of the injectors heating function The oscilloscope is an excellent tool to analyze vehicle working conditions Recorded parameters can be saved and reviewed In order to make the analysis of records easier the window includes navigation tools for effortless searching of the contents The curve is moved with the cursor on the oscillator window bottom cursor buttons and clocking on the left or right side of the window 2 8 Errors The tab is split into areas Figure 26 by the type of displayed information Gas controller errors and messages o Actual Registered Engine controller errors o Pending o Registered AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish d
75. ning of LPG injectors AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 19 www ac com pl info ac com pl AC S A ul 42 Putku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Calibration parameters parameters related to controller calibration Operational pressure LPG pressure at which the controller was calibrated This setting can be altered manually However each change of the operational LPG pressure requires multiplier map calibration Minimum pressure when the pressure is lower than minimum the controller will switch to petrol if the duration of min pressure exceeds the Pressure error delay Gas temp gas temperature at which the controller was calibrated It is impossible to manually change this parameter Remaining parameters in the LPG Controller Settings group Gas injector type type of the LPG injector Changing the injector type requires re auto calibration or multiplier map calibration Clicking the Gas Injectors Settings button gt will open up the following window which the LPG injectors can be calibrated injectors settings Bank 1 2 Flow carr Open corr
76. ogas systems STAG 300 8 5 PLUS www ac com pl Detailed description VIOLET can be found in the TAB 1 Table of versions 6 3 4 5 gt DON T USED Qo 2 z i 9 m m O 9 gt QO FUEL PRESSURE FUEL PUMP CONTROL SIGNAL ECM WIRING INN Fig 8 Wiring diagram for fuel pressure emulator FPE connection to STAG 300 QMAX PLUS AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 9 www ac com pl info ac com pl AG AC S A ul 42 Piechoty 50 1 15 181 Bia ystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 pee autogas systems Tab 1 Table of versions VOLVO 540 Year of Petrol ECM harness manufac Conne Installation notes ctor BE Fuel pressure sensor signal N EE Fuel pressure sensor signal VOLVO S60 Petrol ECM harness manufac Installation notes ECM VOLVO 560 Year of Petrol ECM harness manufac Installation notes ECM location Fuel pump control signal 2 5T 2009 2 green grey Fuel pressure sensor signal VOLVO S80 Year of Petrol ECM harness manufac LI Installation notes Fuel pump control signal ECM location Fuel pressure
77. ogram ATTENTION Proper fuse needs to be placed RED BLACK GREY RED into the socket E me n 42V GREY BLUE nd B E R xD L BLUE RED P SS L Rial COI A ORANGE BLACK GREY ORANGE uU ORANGE E BLACK LPG or CNG WATER ELECTRO VALVE MULTI VALVE C i BLUE RED jhoy U RZ SENSOR 6 CYLINDERS VIOLET BLACK GREY VIOLET X CT 04 2K __ VERSION b VPp OO 9 w ORANGE BLACN BLACK e REN pressure WHITE ul 1 213 5 BROWN BLACK GREY BLACK LE ai I NOT CONNECTED 5G LEVEL SENSOR TO INLET C WPG MANIFOLD v AN a D GREY E rT r 1 ED OUTPUT En WATER 12V GAS LPG or gt oS OUTPUT ET BLACK S CYLINDERS paii PRESSURE and TEMPERATURE RD VERSION SSURE and LPG LEVEL SENSOR SENSOR WPGH Fig 4 STAG 300 QMAX PLUS controller installation layout diagram AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 7 8 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG
78. on dose ms Gas injection time G1 G8 Gas injection time for Injector 1 8 5 Gas temperature C LPG temperature at the pressure regulator output 6 Reducer temperature liquid temperature at the reducer 7 Internal temperature C internal temperature in controller 8 9 gt Emulated engine temperature C estimated engine temperature Lambda 1 voltage V voltage at the lambda probe 1 10 Current type oxygen sensor 1 mA current in the wide band probe 11 Lambda 2 voltage V voltage at the lambda probe 2 12 Battery V voltage at the controller s power supply 13 RPM rpm engine revolutions 14 Engine load current engine load value expressed in per cent This applies to new hardware versions of the controllers STAG 300 PLUS STAG 4 QNEXT PLUS STAG 4 QBOX PLUS from version 3 BO AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 24 www ac com pl info ac com pl AC S A ul 42 Putku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems All the above described signals are also visible on the oscilloscope To turn off a given signal on the oscilloscope
79. ong to omit them with the option of Extra injection switch off threshold For the option to perform correctly the injection pulses must not be the source of RPM signal In some Mazda cars injection strategy varies from time to time to resemble semi sequential injection which may cause the effect of jerking It is recommended to activate the Intelligent extra injection handling for such cars Parameters in the OBD group settings of the connection between the controller with the onboard diagnostic interface available in STAG 4 QBOX NEXT PLUS STAG 300 QMAX PLUS controller Configuration selecting the OBD reader option results in an attempt to connect to the onboard diagnostic interface after each key switching if the controller operates in Auto mode Interface type Indicates OBD2 EOBD communication type available in the vehicle The default AUTO mode enables scanning and automatic selection of proper OBD interface If despite of AUTO mode selected no OBD communication can be established an appropriate interface type shall be selected individually The Advanced settings group offers the following options Emergency starts check to restrict the number of permitted emergency start ups on LPG and enter that limit into the Allowed textbox The number of the start ups already done in the past is displayed in the Performed field You can reset that counter using the Clear button Once the pre set limit is
80. r Diagnostic as controller errors and messages ngine controller errors Actual Pending Pressure Bar Gas 1 04 iv MAP 0 32 iv Registered Registered Inj time dose ms 0300 Random Multiple Cylinder Misfire Detected 0 P1 2 90 V G1 3 96 200 Injector Circuit Open 0 P2 2 291 k G 3 96 0301 Cylinder 1 Misfire Detected 0 P3 291 F 396 2917 G4 3 97 Clear Auto clear list Gas 26 i Red 64 Internal A3 Iv Engine emul 90 4 Other V mA 9 amp Li 35 Lambda 1 0 13 3 Battery 13 67 M E RPM RPM e M RPM 680 7 Engine load 24 05 0 10 20 30 40 50 70 50 40 100 1710 121 130 140 150 160 170 180 190 200 Status Gas STAG 4 PLUS ver 2 2 0 33 1 0 2014 11 12 16 04 51 222 Fig 28 view of Errors tab OBD faults Auto clear list button allows configuration and activation of automatic clearing of OBD2 EOBD errors The configuration window is split into two panels The left one contains a list of all errors that can be cleared In order to activate the automatic clearing function move the selected errors to the right panel by using the Select button Errors from the right panel can be removed only with the Clear selected button The errors will be cleared when the ignition is put to the ignition switch on the condition that there are recorded errors displayed in the right panel of the
81. rature calibration must be corrected The correction may be made by means of the LPG temperature calibration map see 2 12 However it must be remembered that this operation may be performed if the auto calibration and the multiplier setting while driving have been carried out correctly In order to make the correction in a proper way the car must be started with a cold engine Then beginning with the temperature of switching to LPG the petrol injection time must be checked and after switching to LPG the petrol injection time should be compared If the petrol injection time value is bigger after switching to LPG the positive correction must be made for this LPG temperature value the LPG temperature calibration map must be brought up If the petrol injection time value is lower after switching to LPG the calibration map for a given LPG temperature value must be brought down The calibration map must be set in such a way as to ensure that the petrol injection time remains the same after switching from petrol to LPG In order to set the LPG temperature calibration map correctly the procedure described above must be repeated for the full range of LPG temperature values in 5 C steps 4 LED switchboard operation and acoustic signals User Manual 4 1 LED 300 switchboard Fig 53 LED 300 switchboard The LED switchboard consists of Przycisk LED line indicating LPG level the LED indicating type of fuel button LED line shows
82. red with the earlier petrol injection times If the injection times decreased the marker moved to the left it means that for the selected injection times the multiplier is too high the mixture is too rich In this case lower the multiplier value for the 5 ms injection time in our case If upon switching to LPG the blue marker moves to the right it means the mixture is not reach enough and the multiplier needs to be brought up for given injection times The procedure described above should be performed for a few different injection times starting at the calibration point all the way until heavy load injections You can check the multiplier map e g every 2 ms starting at the calibration point If necessary add a point at the multiplier map to set it more precisely Once the manual setting is complete both maps petrol and LPG should match AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 51 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems 3 6 LPG temperature correction If the petrol injection time changes when the LPG temperature is changed in the LPG mode the LPG tempe
83. s 2 2 AC STAG version After the diagnostic application startup the version the examples figure 11 14 present version 0 17 11 0 18 11 2 3 Main menu The main menu consists of the following options www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 info is presented on its top bar Port options be used to select COM port set up the communication link terminate communication with the controller m Window options may be used to open program screens such as oscilloscope monitor parameters monitor autoadaptation reader OBD digital recorder if they have been closed options be used to select user interface language version Tools option may be used to update hardware devices setup program settings load store settings store modified settings Help options may be used to display info on the program the controller and documentation including this manual restore default factory settings 7 To bring up the About gas ECU window select Gas controller info in the Help menu Gas controller info ECU working time Fuel Since last connection as Since last connection Service First connection First change of settings Last PC connection date 1 date 2 date 3 date 4 date 5 Clear errors Other ECU SIN Your PC code Date
84. s need not to be connected since the controller can calculate current speed from injection pulses When RPM readings are disrupted RPM changes significantly but the engine operation is stable specify the minimum injection pulse time to ensure filtering the extra injection pulses and stabilize the RPM readings RPM signal RPM signal source HPM detection threshold in Volts Set the detection threshold to a value ensuring proper revolutions reading from the controller E g for impulses originating in a petrol engine usually equal app 5 V set the detection threshold to app 2 5 V For impulses originating from the ignition coil set the threshold to app 7 V Nissan Micra is an exception Its computer ignition impulses equal app 1 4 V in which case the detection threshold needs to be set at app 1 0 V For some Renault Megan models the detection setting needs to be set at app 10 V RPM signal filter Switching on YES and switching off NO of RPM signal filtration In case of cars from the U S A correct reading of RPM value can be difficult so this option should be switched on In other cases it should be switched off Lambda sensor 1 Available options Voltage standard voltage probe UEGO UEGO wide band current probe Sensor is not connected no probe Reverse voltage reverse action voltage probe Lambda sensor 2 Available options Voltage standard voltage probe Sensor is not
85. sensor signal AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 10 www ac com pl info ac com pl AG AC S A ul 42 Pulku Piechoty 50 15 181 Bia ystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 pee autogas systems VOLVO XC70 manufac Conne Installation notes Fuel pump control signal ECM location bud green grey Fuel pressure sensor signal 2 5 I 2007 m 2011 m blue brown Fuel pressure sensor signal E yellow orange Fuel pump control signal VOLVO 90 Petrol ECM harness Year of Installation notes manufac conne ECM location yellow Fuel pump control signal green grey Fuel pressure sensor signal 21 yellow Fuel pump control signal 2007 2011 71 green grey Fuel pressure sensor signal 2004 2 5 2011 2007 location 20 yellow Fuel pump control signal 71 Fuel pressure sensor signal 2011 AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 11 STAG
86. si WHITE GREEN li WRITERED L RED BLUE RED 9 a NN WU V I NOT CONNECTED LPG LEVEL SENSOR RED BLACK l GREY RED WPG TO INLET gt MANIFOLD L ON WATER OUTPUT p gt 9 mE BLUE RED LPG or CNG GAS WHITE U T 12 REDUCER FILTER OUTPUT RED LPG LEVEL SENSOR BLUE BLACK GREY BLUE PRESSURE and TEMPERATURE WPGH SENSOR Fig 3 STAG 4 QNEXT PLUS controller installation layout diagram AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 6 8 www ac com pl info ac com pl AG AC S A ul 42 Pulku Piechoty 50 15 181 Bia ystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 pee autogas systems 1 4 Layout STAG 300 QMAX PLUS FUEL LEVEL EMULATOR Description of connection is located in the manual ATTENTION For a detailed description of connecting to OBD refer to the controller connection and programming manual www ac com pl 00000000 00000000 CAN K line ISO 15765 150 14230 W EPP 1 BLACK 6 ORANGE GREEN 7 INTERFACE dedicated harness YELLOW BLACK 14 ORANGE 15
87. so displayed With the LED thresholds setting window displayed gas level change on the sensor results in immediate indication of the LED diodes It is also used for checking the correct operation of the indicator and the switch When the window is closed normal operation changes in gas level are updated on the LED switch with a delay In LED 400 and LED 401 switches it is also possible to change the sequence of gas level diode activation the left one is considered as the first one bottom one with respect to the buzzer adjust the buzzer volume 1 minimum 4 maximum adjust the diode brightness LED 401 also allows automatic adjustment 2 6 Auto calibration The auto calibration window is used to calibrate the engine at idle run After starting and warming up the engine when Lambda sensor starts operating start the auto calibration During the auto calibration the engine should work at idle run Switch off air conditioning and lights and do not turn the steering wheel During the calibration the controller will automatically switch from petrol to LPG The controller will be automatically switching on selected LPG cylinders Once the auto calibration is complete the controller displays a message informing the auto calibration has finished successfully The following messages may appear during the calibration During calibration the following messages may appear No ignition switch check the connection of the ignition switch
88. switch thus terminating the calibration procedure Successful calibration is signaled by smooth ascending followed by smooth descending of the gas level indication on the LED line from fuel reserve to maximum fuel level and back twice In the case of calibration failure the level indication on the LED line will change five times from reserve to maximum 4 4 Acoustic signals The controller may emit the following acoustic signals Three beeps if it had to switch over to petrol because of a too low level in LPG tank Three short beeps and one long beep in case of a controller error Two short beeps and one long beep each time the ignition switch has just been turned is a warning that the system needs to be inspected Three long beeps repeated every minute is a reminder that the engine is operating in emergency mode 4 5 Emergency start on gas In order to start the engine on gas emergency mode e g when the fuel pump fails position the key ignition mode then press and hold the button on the switch LED will be switched on in a continuous light mode and a buzzer sound will be generated When RPM is detected the controller opens the solenoids and the engine is started on gas fuel It is not possible to switch to petrol in the emergency mode The emergency mode is deactivated when the engine is turned off Operation in the emergency mode is indicated with occasional buzzer sounds AC S A all rights reserved
89. switch to LPG Reducer filling time delay between opening solenoid valve and gas injectors The function used to pre fill the system with gas Switch over temp time after starting the engine when the controller can switch to LPG Cylinder switch over time elapsing between the switching of subsequent cylinders E g with the setting at 200 ms for a 4 cylinder engine the switching from petrol to LPG or LPG to petrol will take 4 200 ms This works regardless of whether the petrol injection system is the so called full sequence or not Setting the switching time to 0 will result in the switching from petrol to LPG or vice versa and turning on and off of the solenoid valves without any delay Fuel overlapping activation results in single time simultaneous injection of gas and petrol pulse length configured to 5 ms when fueling is switched to gas The option eliminates the problem with switching on fouled gas which can be the case in systems with long gas lines Hot start if checked warm engine may be started directly from LPG Check that option also in vehicles equipped with the Start Stop function e g Fiats The option is used if the engine is started with the reducer temperature equal to or lower than the switching temperature but not lower than 20 and gas temperature not lower than 10 Switching to gas sound checking the option will result in a beep upon switching to gas fueling At unloaded eng
90. temperature at which jerking stops NOTE Engine temperature threshold influences the time of function operation Always note if the ratio represents a rich fuel mixture for the warmed engine under high load Failure to follow this note may result in engine damage Max rom threshold should be set by experience so that there is no power drop under maximum acceleration at higher rom and there is a rich air to fuel mixture in open loop conditions AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 22 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems Max gas injection time is set when driving on cold engine so that sudden pressing of the acceleration pedal does not cause jerking while keeping the maximum dynamic performance of the vehicle Switch off the solenoid When selected the gas solenoid valve is closed if ISA3 switches to petrol The option is helpful when using a timing advance processor TAP Fuel level emulator fuel level emulator installed in the petrol tank FLE FC emulator type designed for vehicles mainly French models in which float resista
91. ulsing of petrol injectors gas injectors or rom signals vs time like in advanced measuring tools e g an oscilloscope Digital recorder 100 00 150 00 Time m Fig 48 Digital recorder window 2 22 Assignment of gas injectors to banks In V engines and boxer engines the controller can include 2 banks Bank 1 and Bank 2 correction values for OBD STFT B2 and LTFT B2 are other than zero In such case gas injectors should be assigned to respective banks Press the gas injectors configuration button in the gas controller settings tab group Sensors and actuating devices Gas injector type AC Wilt The Gas injectors settings will be displayed AC S A all rights reserved Under penalty of law and or liability claims it is forbidden to copy publish distribute make available and or use in any way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 45 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 autogas systems Gas injectors settings Flow corr 1 lt 12 5 14 15 I5 lf e a rd rd ed m E ES B3T T I T T T TT BA n o n n n BST TT T err k Pe Pe Pte dE E EE c T E Inj seq 1 GlG2ZG3G4G5
92. utku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 imum M autogas systems G7R 01 4259 110R 00 4534 Quiogas systems STAG 300 8 ae PLUS www ac com pl ATTENTION In the case of FLE FC only the yellow cable connection is needed without splitting the circuit of the floater green cable should remain unconnected W EPP 1 Harness VEHICLE ECU DELI r3n float positive wire D CIL IT Vr T float positive wire on the float terminals side E 44 43 42 FLOAT li E n 76 75 O00146 45 31 146 450000000120 FLOAT GROUND S z View of the gas controller s harness connector from the wiring side Pin no wire colour connection description 44 GREEN float positive wire on the float terminals side Fig 7 Wiring diagram for fuel level emulator FLE connection to STAG 300 QMAX PLUS ECM ENGINE CONTROL MANAGEMENT AUTOGAS CONTROLLER 67R 01 4289 110 00 4534 aut
93. version number should appear at the bottom of the screen and should reflect the version number of the update file Should the update go wrong the update window will be opened automatically upon connecting with the controller Perform the update procedure again 3 STAG 4 QBOX QNEXT STAG 300 QMAX PLUS controller programming The controller may be programmed using the acquired petrol map and the gas map The procedure Auto calibrate the controller Acquire petrol map B Acquire petrol map G Check deviations between both maps 3 1 Auto calibration Prior to starting the auto calibration start the engine and wait until the lambda probe begins to work During the auto calibration the engine should work at idle run do not increase rpm switch off air conditioning and lights and do not turn the steering wheel as this may cause errors during the auto calibration During the auto calibration watch carefully petrol and LPG injection times If LPG injection times are shorter than petrol injection times the injector nozzles may be too large and should be replaced with smaller diameter ones When auto calibration is completed the multiplier map will be preset The multiplier s value for this point should be between 1 2 and 1 8 if the value is greater than 1 8 longer times of petrol injection i e greater load and high rpm may cause overlapping of injection times i e one LPG injection will begin before the previous one ends looped injections In su
94. way all or any part of information contained within this document in particular photographs drawings illustrations trademarks etc 46 www ac com pl info ac com pl AC S A ul 42 Pulku Piechoty 50 15 181 Biatystok Poland tel 48 85 743 81 00 fax 48 85 653 93 83 STAG autogas systems 2 23 Autoadaptacion STAG 4 QBOX NEXT PLUS and STAG 300 QMAX PLUS controllers are provided with a mechanism that corrects gas dosing in real time during driving Activation selection of autoadaptation mode and configuration is performed in the Autoadaptation window accessed through the Window menu There are 2 modes available SA3 The controller adjusts the gas dose based on the reference map acquired earlier for petrol injection pulses Correction of gas dosage is based on the readings of parameters from the on board diagnostic interface compliant with the OBD2 EOBD standard 2 23 1 ISA3 mode With ISA3 selected the following set of parameters and settings is available Ee Auto adaptation 10 x Auto adaptation Iw Enabled C OBD 1543 Params e STFT bank1 0 000 I Temp dev bank1 ISA3 OL mode Inactive Configuration Adaptation switch on threshold 5 LTFT max Es 5468 Adaptation in OL autocomplete Auto stop r Fig 50 Configuration of ISA3 adaptation Adaptation switch on threshold Accepted deviation between the actual petrol injection time and time recorded

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