AFK documentation
Contents
1. F CON Red IG Power A F Knock Amp A F Knock Amp Black Ground for Sensors Amp Unit Monitor Unit 5 Black Ground for Power T Brown Spare Signal Line Monitor Harness lI a GCC Connector A F Voltage Output 1 1 Female and Male Bullet Connectors are shown in the aT diagram below A F SENSOR HARNESS FX 5 GCC Connector Knock Voltage Output Female Bullet Male Bullet H HHH Connectors Connectors Black Ground for Sensors S White 02 Heater Dummy Output 1 White Black 02 Heater Dummy Output 2 le Yellow O2 Dummy Output 1 I gt ECU Yellow Black 02 Dummy Output 2 White Knock Sensor 1 Input Gray Knock Sensor 2 Input re Gray Knock Sensor 2 Input 12 22 Interior Engine Room A F Sensor 11 3 3 Wiring 1 Ignition power and Ground Use the main harness IG power must be connected to the wire capable of more than 10A such as the 12V power socket Do not connect to the ECU wire Use a chassis ground If this process is not completed the A F and or knock level voltage output readings may be incorrect A F Knock Amp Amp Unit A F Knock Amp Monitor Unit Red IG Power2. Monitor 5 Black Ground for Sensors Harness 5 Black Ground for Power X Female and Male Bullet Connectors are shown in the diagram below lt m Female Bullet Male Bullet Connectors Connectors gt L Black Ground for Sensors 01 oa About Grounding Main Harness Ground for Power Ground for large voltage circuits such as A F sensor heater voltage Ground for Sensors Ground for the A F measuring circuit and the analog voltage output circuits Knock Input Harness Ground for Sensors Ground for the knock sensor signal input circuit If the knock amp function is not used this grounding process is not necessary X If readings from the A F and or knock voltage output are incorrect or if the sound from the knock sensor is not clear changing the grounding location may solve the problem 12 2 A F Amp Functions Wiring Wiring to view the A F Value on the Monitor Install the A F sensor to the vehicle and connect the sensor to the Amp unit using the A F sensor harness X When only 1 A F sensor is used connect it to A F Amp 1 connector X When 2 A F sensors are used connect one to A F Amp 1 and the other to A F Amp 2 connector Connect the Amp unit to the monitor Wiring for the A F Voltage Output to F CON Connect the main harness
3. 9 Spare Connector 5 pin 7 Monitor Harness Connector Connect the harness from the monitor 8 Spare Connector 2 pin unused 9 Spare Connector 5 pin usused Opening AFA HKISI On initial start up an opening demo will appear on the monitor after the internal buzzer sounds After the demo is finished the displav will switch to A F sensor warm up mode 2 A F Sensor Warm up Mode Jl Monitor Mode Knock level value will be displayed the area of the display The A F display will be in initial warm up mode Once the warm up is complete the unit will switch to monitor mode Monitored values are displayed Digital Display 1 Knock Level Digital Display 2 A F Value 1 Digital Display 3 OFF 4 Setting Mode zn Brad SY Ems 5 Warning Z 5 5 O 80 152 o While monitor mode press button 2 to switch to setting mode All settings are performed in this mode For details see Operation Outline from page 17 If warning is set to ON and the warning conditions are met the internal buzzer will sound and the Ki indicator will show on the screen Also if the backlight setting is ON the backlight will begin to blink The display unit may show a black line stripe This is caused by static electric
4. 0 28 in 1 increments 23 2 2 Headphone Volume Adjustment Set the headphone knock listening volume The volume can also be adjusted by turning the volume knob while in Monitor Mode 0 34 in 1 increments 10 23 2 3 Setting Knock Detection Condition Sets the threshold value between knock signal and non knock signal To adjust knock detection condition while in neutral raise engine rpm up to the very limit that knock level values are not shown then adjust The threshold value may vary depending on slight engine variances and variances in each vehicle s knock sensor X If this setting is not made properly a non knock signal may be incorrectly read as a knock signal X This setting must be done after first completing section 2 1 Knock Input Amp Gain Setting 1 KNK g Setting range 0 255 in 1 increments Br 5 Default Value 15 us The knock sensor signal may vary depending on the engine specifications and or vehicle s characteristics For this reason initial setup is necessary to properly display knock level values Knock Level Initial Setting 1 Set the knock input amp gain and headphones volume adjustment to the following initial set values knock input amp gain 23 headphones volume adjustment 10 2 Connect the headphones and maintain high engine RPM while in neutral Adjust the volume knob until you can hear sounds clear
5. Where they can be exposed to extremely high or low temperatures Where temperature changes are extreme High humidity areas Where the unit may get wet High dust areas In areas of high electro magnetic disturbance 2 A F Sensor Near flammable objects and or flammable gas Where an exhaust drain may enter Where the unit comes into contact with other objects or the ground 10 Disconnect the negative terminal from the battery 3 1 Connecting bullet connecter Ne 1 Male bullet connecter Male Sleeve Male bullet OM Cut the wire NS connector Fit the covered wire tightly Q Strip the cover of the wire into the male bullet connector Fit the inner wire tightly Insert the wire through the male sleeve into the male bullet connector Fit the inner wires tightly into the male bullet connector Fit the covered wire tightly into the male bullet connector amp Insulate the exposed wires with a sleeve Wire dm Inner wires 2 Female bullet connecter Female Sleeve Female bullet Cut the wire connector the cover of the wire 52252 Insert the wire through the Female sleeve Fit the inner wires tightly into the female bullet connector O Fit the covered wire tightly into the female bullet connector Insulate the exposed wires with a sleeve Fit the inner wire tightly into the female bullet connector 3 2 Wiring Diagram
6. 0 5 HE 1 6 02 Dummy Output Variance Gain Set the gain for O2 dummy output variance P c 3 Setting range 0 1 5 0 in 0 1 increments GET ig Default Value 1 0 222 W 1 7 Monitoring A F Sensor Temperature The current temperature reading of the A F sensor is shown FE The A F sensor temperature is shown to confirm that the ASO AIF sensor is operational No settings can be made here s p n6 m Check the temperature reading as a reference if any JOCA 42314 problems MG o Perform basic settings for the Knock Amp The set value can be entered referring to the current knock level on the digital display 3 If the knock level display is not selected to use setting is not necessary f put Voltage Output V Knock Voltage Output will output voltage that corresponds with knock level Reference 3 3 3 Knock Amp Function Wiring from page 14 X Use the appropriate PowerWriter to set Control tab in Parameter Setting of F CON to use 1 100 Knock Level 2 1 Knock Input Amp Gain Setting Adjust the knock signal sensitivity Sensitivity adjustments will affect the displayed knock signal level lower the sensitivity value the less the knock level value display rises The higher the sensitivity value the higher the knock level value display rises or indicates
7. 15 1 Remove any dirt dust and or oil from the area the unit is going to be mounted 2 Mount the monitor using the double sided tape The monitor can be best viewed if looking down on the monitor from a higher vantage point Therefore position the monitor lower than eye level or tilt the monitor downward A F Knock Amp Monitor Unit Back 1 Insulate unused wires with electrical tape to prevent shorts 2 Make sure all wiring is correctly done Make sure all bullet connectors and connectors are connected correctly 3 Reconnect the negative terminal to the battery Operation Outline Diagram eme eee 17 Monitor Mode x 0snnannvannnnnnnnannnnsnaneennenannpnesnarnennennanennnnnsvannennanpananesunseennnnnanennnuesvenne 19 Setting Mode 1 Amp Setting meet 21 2 Knock Amp Setting eem eene 23 3 Function Setting 1 eene 25 4 Function Setting 2 memes 27 5 Function Setting eene 28 16 Ignition ON O Rotate Rotate O Rotate 0 Short A F Sensor Warm up nigri Monitor Mode 1 LI Page 21 i 1 Headphone Volume Adjustment Q Rotate LI Display refresh rate Decrease Press and hold 1 1 1 1 1 1 1 1 Display refresh rate Increase Press and hold Switch the displayed name amp number Reset Peak Value O Press and hold O Press and hold TE I Nr b Function Setting 3 Short
8. Page 28 i CZ Short Rotate O Rotate Lambda 1 A F Value Setting AFF Value Setting at 0 5 V A F Voltage Output Q Rotate AIF Value Setting at 4 5 V A F Voltage Output Voltage Setting at Lean O2 Dummy Output Voltage Setting at Rich O2 Dummy Output 02 Dummy Output Variance Gain Setting Monitoring A F Sensor Temperature Switch the displayed name amp number O Press and hold Setting Knock Amp Setting Page 21 Page 23 Switch the displayed name amp number O Press and hold EN Switch Operation DD Button D Button Volume Eee pe Button j WRN f 88 Volume 2 Short Setting the Bar Graph A F Minimum Value Setting the Bar Graph A F Maximum Value O Rotate Setting the Warning A F Value Setting the Bar Graph Knock Minimum Value O Rotate O Rotate O Rotate O Rotate O Rotate Switch the displayed name amp number O Press and hold Setting the Warning Knock Value Switch the displayed name amp number Press and hold 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Setting the Bar Graph Knock Maximum Value LI 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Function Setting 1 Function Setting 2 25 Page 27 18 This mode is sh
9. Wiring to View Knock Level on the Monitor Reference the vehicle specific wiring diagrams to connect wires of the knock sensor X When only 1 knock sensor is used connect it to Knock Sensor 1 terminal White wire of the knock sensor harness Set the knock sensor number select switch to the lowest position X When 2 knock sensors are used connect one to Knock Sensor 1 terminal and the other to Knock Sensor 2 terminal Gray wire of the knock sensor harness Set the knock sensor number select switch to the uppermost position Wiring for the Knock Voltage Output to F CON E F CON iS Connect the GCC connector of the knock sensor harness to Fuel GCC Connector of the F CON iS unit E F CON V Pro Connect in the same manner as for the F CON iS or connect the GCC connector Purple wire of the knock sensor harness to either Voltage Output 1 Terminal 23 or to Voltage Output 2 Terminal 24 X Using the Power Writer Software only used by HKS Certified Pro Dealers edit the Control tab under Parameter Setting Q Listen to Knock Sound Using a Headphone This wiring is conducted to listen to the knock sensor signal via headphones Enabled via Wiring to View Knock Level on the Monitor steps Connect headphones to the headphone terminal and adjust volume as necessary F CON Red IG Power A F Knock Amp A F Knock A
10. listen to the knock sensor signal so that knocking can be confirmed by sound Connecting the A F Knock Amp to an F CON unit allows monitoring of the A F value and knock level as well as data logging through use of the Power Writer software X Power Writer software can only be used by HKS Certified Pro Dealers This product does not include a headphone it must be purchased separately There is only 1 A F sensor provided with this product If more sensors are necessary they are available as an optional part e Operating Voltage AT DC1 14 16V e Displavable AIF FEE 2 0 25 0 AIF e Measuring Range PU 0 55 1 5 Lambda 1 0 Lambda 14 54 A F 8 0 22 0 A F Operating Temperature Min Max Monitor Unit 10 70 C Amplifier 10 85 C Maximum Electrical Power Consumption n 0 80000 70W This manual indicates items that require careful attention in order to safely install this product and lists precautions to avoid any possible damage and or accidents For any lost defective and or damaged parts contact your dealer to order HKS will not be responsible for any damage caused by incorrect installation and or use or use after modification and or dismantling of this product HKS will not responsible for any damage caused by the removing vehicle s interior exterior electric parts or modification for installation This product was designed and tested based
11. to prevent a possible short 31 SETUP SHEET Setup Date Vehicle 7 0 Year Engine Type Specifications amp Remarks LA A F Amp Initial Setting A A A Knock Amp Initial Setting x X 8113 31121171171 7 LA Function Setting 1 Bar Graph Display OFF A F1 A F2 A F1 P H A F2 P H KNK P H A F Comparison Value Digital Display 2 OFF A F1 A F2 A F1 P H A F2 P H KNK P H Comparison Value Digital Display 3 OFF A F1 A F2 KNK A F1 P H A F2 P H KNK P H Comparison Value Backlight Level DisplayRefresh Rate Warning Backlight OFF ON Bar Graph Peak Setting OFF ON LA Function Setting 2 Bar Graph A F Min Value Bar Graph A F Max Value Warning A F Value Bar Graph Knock Min Value Bar Graph Knock Max Value Warning Knock Value gt Function Setting 3 2 Lean Value Rich Value A F P H Direction Lo Hi 2 Ver Date Details 3 1 01 Feb 2008 1st Edition 34 3 Pursuing the Ultimate in Engine Performance and Efficiency Produced by HKS Company Limited
12. 3 1 Setting the Bar Graph 8 Digital Display 1 Select the item to be displayed for the bar graph and Digital Display 1 GFF Win NN 2 BE VASE G ALA 2 comparison value BERE co 3 2 Setting Digital Display 2 Select the item to be displayed for Digital Display 2 5888 OFF AJF1 A F 2 GASB A F 1 AAF 2 EXEKNK A F 12 comparison value A F 1 3 3 Setting Digital Display 3 Select the item to be displayed for Digital Display 3 OFF 1 2 GARR A F 1 G A F2 G EKNK A F 12 comparison value DEF 3 4 Setting the Backlight Level Set the backlight brightness level c n Setting range 0 100 in 1 increments E 2 LI Default Value 100 C 3 5 Setting the Display Refresh Rate Set the display refresh rate If the values or bar graph refreshes too slow fast adjust the refresh value X Press and hold button 1 and 2 while in Monitor Mode will also adjust the refresh rate Setting range 1 5 in 1 increments Default Value 3 RI 3 6 Setting Backlight Blinking at Warning Sets whether or not the backlight will blink when the warning function is activated Setting range ON OFF Default Value ON 3 7 Setting the Bar Graph Peak Hold Function Select ON or OFF for
13. HKS ELECTRONICS TECHNOLOGY A F Knock Amp HIKS E84111 K00060 00 Published Feb 2008 Ver 3 1 01 This manual assumes that you have and know how to use the tools and equipment necessary to safely perform service operations on your vehicle This manual assumes that you are familiar with typical automotive systems and basic service and repair procedures Do not attempt to carry out the operations shown in this manual unless these assumptions are correct Always have access to a factory repair manual To avoid injury follow the safety precautions contained in the factory repair manual PRODUCT A F Knock Amp USE Measuring air fuel ratio and knock level APPLICATION VEHICLE Any vehicle that operates on a DC12V negative ground PART No 44006 AK003 A F Amp is applicable to unleaded gasoline engine vehicles REMARKS Knock Amp is applicable to vehicles with non resonance type knock sensors for gasoline engines or vehicles in the vehicle specific wiring list HKS A F Knock Amp converts the signals from sensors to the air fuel ratio and the knock level using the knock sensor equipped with the vehicle or the provided A F sensor e The air fuel ratio and knock level is displayed on the unit s screen and can output voltage to other devices 2 A F sensors can be connected Q2 knock sensors equipped with the vehicle can be connected headphone terminal is provided with this product It enables users to
14. NSTRUCTION MANUAL 1Set 1Set QTA 1Set lt 1 SENSOR 2 SENSOR HARNESS 3 02 SENSOR BOSS 4 O2 SENSOR BOSS BOLT 44999 AK022 QTA 44999 AK023 QTA 17461 023259 90370 006111 QT 1 5 9 7 x5 02 SENSOR BOSS BOLTS 5 pc 44999 AK001 1 Set 1 Power LED 8 Headphone Terminal 7 Knock Sensor Number Select Switch 2 Main Connector 6 Knock Amp Connector 3 A F Amp Connector 1 4 A F Amp Connector 2 5 Monitor Connector Power LED LED turns on when the power is on Main Connector Connect the main harness Amp Connector 1 Connect the A F sensor harness AJF Amp Connector 2 Connect the A F sensor harness Option Monitor Connector Connect the monitor harness Knock Amp Connector Connect the knock sensor harness Knock Sensor Number Select Switch Select the number of the knock sensor to use the lower for 1 and the upper for 2 Headphone Terminal Connect a headphone to listen for engine knock Front 4 Digital Display 3 C2 1 Button 1 5 Bar Graph cos 2 Volume 6 Indicator C 3 Button 2 o 4 Digital Displav 1 4 Digital Displav 2 1 Button 1 In monitor mode press and hold this button for more than one second to decrease displav
15. ace the A F sensor properly fast enough Incorrect setting of the A F value at 0 5 V or 4 5 V A F voltage The A F values output Verify all settings on the A F Knock Incorrect Power Writer Make sure the A F conversion table is correct Amp display and setting on the F CON Power Writer do not match Improper grounding of the A F Knock Amp and F CON Ground the black ground wire the spade terminal with one wire from the main harness and the black ground wire the spade terminal with two wires to different chassis ground positions If the error message does not disappear turn the ignition off and on to erase the error message 30 Do not use this product if unusual occuraces should occur Consult with your HKS Certified Pro Dealer immediately Warning Do not try to repair the product yourself Consult with your HKS Certified Pro Dealer If any unusual noises scents and or vibrations are noticed while driving please refer to a factory repair manual For questions about this product any optional lost defective and or damaged parts please contact your HKS Certfied Pro Dealer If this product is passed on to a new owner make sure this instruction manual is included along with the product Do not uninstall this product by yourself Warning If this product is removed make sure all wires from the vehicle are insulated with electrical tape
16. bar graph peak hold value setting AFFA c Setting range ON OFF bcn DEE 2 Default Value OFF C o MAG X The bar graph peak hold value can be reset by pressing and holding the volume knob for more than one second while in Monitor Mode However if peak hold is on the Lo rich side this function cannot be used 226 Function Setting 2 sets the bar graph s minimum maximum and warning values The A F value and the knock level value can be set separately When A F comparison value is selected both the bar graph s minimum and maximum values will be automatically set as a positive or negative value in relation to 0 Ex If the bar graph A F min value is set to 3 0 the A F max value is automatically set to 3 0 4 1 Setting the Bar Graph A F Minimum Value Set the A F minimum value for the displayed bar graph When viewed as an A F comparison value setting the this minimum value will set the maximum value at the same time AF value 2 0 Bar Graph A F Maximum Value Aer Lo in 0 1 increments A F comparison value 9 9 0 1 in 0 1 increments DefauValue A F value 8 0 4 2 Setting the Bar Graph A F Maximum Value Set the A F maximum value for the displayed bar graph When viewed as an A F comparison value setting the this maximum value will set the minimum value at the same time 9 SEE H A F value Bar Graph A F Minimum Valu
17. d in Setting Mode Refresh rate can still be adjusted for up to one second after the initial adjustment If no refresh rate changes are made for longer than one second the change will be set to the Amp unit and the unit will beep and the display will return to the Monitor Mode Display Refresh Rate Adjustment Range 1 5 20 This mode is to set various A F Amp and Knock Amp functions If the factory sensor was replaced with the O2 sensor O2 sensor settings can be made in this mode If using this unit for the first time or have performed a full reset all settings will be set to default Power on the A F Knock Amp Once the start up demo finishes press button 2 to run Setting Mode See the operation outline diagram for more details Operation Symbols 5 Press and release quickly Rotate volume dial dp Press and hold for more than one second Pressing the volume knob for more than one second while in Setting Mode will change the Digital Display 1 name to the name number of the currently active parameter that is being set Use the above function if you are unsure of which settings are being made Q Press the volume once more for more than 1 second to return Settings are saved even when the unit is powered off 1 Press button 1 when settings displayed The unit will beep and or will appear and blink on the screen 2 Turn the volume knob to change values When setting is complete press b
18. e 25 0 mn in 0 1 increments b Hc ar LILI A F comparison value 0 1 9 9 in 0 1 increments gt Demma value 20 0 4 3 Setting the Warning A F Value Sets the warning A F value This value is only applicable when both A F value and A F comparison values are shown on the bar graph and Digital Display 1 respectively When the A F comparison value is selected the warning A F value will be shown as positive however the warning value is still active as a negative value of the same number as well Ex If the warning A F value setting is 2 0 the display will show 2 0 However the warning function will activate at greater than 2 0 less than 2 0 AFFA FEE lo value 2 0 25 0 in 0 1 increments OFF Turn the volume dial more than the max value A F comparison value 0 1 9 9 in 0 1 increments OFF Turn the volume dial more than the max value DefauitValue ar value OFF SAT 4 4 Setting the Bar Graph Knock Minimum Value Set the bar graph knock minimum value Setting range 0 Bar Graph Knock Maximum Value in 1 increments 4 5 Setting the Bar Graph Knock Maximum Value Sets the bar graph knock maximum value Setting range Bar Graph Knock Minimum Value 100 in 1 increments 100 4 6 Setting the Warning Knock Value Sets the warning knock value This value is only applicable when knoc
19. ition relative to the exhaust pipe as illustrated in the diagram below The point of the sensor should be faced downward to prevent moisture and or fuel buildup which can lead to shorter life span of the sensor X When using an O2 sensor boss to install the sensor apply heat resistant grease to the screw thread to prevent burns to the sensor boss Exhaust Pipe X For vehicles with turbochargers do not install the sensor onto the exhaust manifold before the turbocharger If exhaust gas pressure is high A F measurement errors may result X Do not install the sensor where exhaust gas temperature can exceed 800 C to prevent damage to the A F sensor X Do not leave the A F sensor on the exhaust pipe when A F Knock Amp is not used A F Knock Amp OPTIONAL PARTS NAME PART No REMARKS O2 SENSOR BOSS 17461 023259 18 1 5 055 O2 SENSOR BOSS BOLT 90370 006111 M18xP1 5 BOLT 02 SENSOR BOSS BOLTS 5 pc 44999 001 5 pc AN Warning Do not hit and or drop the sensor as the sensor is made of precision components When installing make sure the sensor wires do not touch or come close to high heat areas Do not handle the sensor right after operation as the sensor becomes very hot during the operation When welding the O2 sensor boss the sensor must first be removed from the boss to prevent damage to the sensor Make sure there are no gas leaks from the welded location
20. ity and it does not affect the functions or performance of the unit To remove the black line stripe wipe the monitor with an anti static cloth or a cloth with an anti static solution 1 Advice for Installation m 10 2 Disconnecting the Battery Terminal HMM 11 3 Wiring 3 1 Connecting bullet connecter 11 3 2 Wiring Diagram eem 11 3 3 Wiring 1 Ignition power and Ground HMM 12 2 AIF Amp Functions Wiring 13 3 Knock Amp Function Wiring temen 14 4 Installing AIF Sensor Mressususseessssussesusssesssssenssssssususesesssssemsesssssuscessssssseeessssssseesosssessosssos 15 5 Installing the Monitor Unit A TITTET TELET TT TET ETE TETTE ETT TETTE LETTET 16 6 After Installation Pree Peer ee eee ee eee ee errr eee ere reer eee ere eee rere reer Terre reer ere eee reer reer eee eee eee eee eee eee eee ee ee 16 A WARNING Do not install this product onto a vehicle with DC24V negative ground It may cause a fire This manual shows a typical installation Actual installation may vary depending on the vehicle application Do not install this product to the following locations 1 Amp Unit and Monitor Unit
21. k level value is displayed on the bar graph and Digital Display 1 0 100 in 1 increments OFF 100 5 1 Setting the A F Lean Value Sets the A F Lean value 2 0 25 0 A F in 0 1 increments 20 0 5 2 Setting the A F Rich Value Sets the A F Rich value cz Setting range Default Value 2 0 25 0 A F in 0 1 increments 8 0 5 3 Setting the A F Value Peak Hold Direction Sets the A F Value peak hold direction Lo a smaller value Rich side will be acquired as a peak hold value Hi a larger value Lean side will be acquired as a peak hold value 5 Setting range Lo Hi T O Sfunm Hi Default Value Hi A 5 4 Version Information The main unit version information will appear on Digital Display 2 and the display unit version information on Digital Display 3 CD C sut 100 C o 5 5 Reset Digital Display 3 Digital Display 2 display unit version main unit version All settings are deleted and returned to the default setting e c Setting range 5 Default Value No 9 aJ If this product is not performing properly check all wiring and connections referring to the following before contacting your HKS Certified Pro Dealer Symptom Cause C
22. luctuating The knock level initial setting is done to prevent engine block vibrations from being misread as knock signals X2 When knocking occurs the knock sensor will output a high frequency burst signal Depending upon such variables as engine specification knock sensor wiring layout or operational noise vibrations from solenoid valves installed in the engine bay the knock sensor may detect and output signals very similar to actual engine knock In these cases knock level values may be misconstrued as knock readings 3X3 If sound coming through the headphones is unclear due to noise check for proper ground of the Knock Amp connector s ground wire Grounding this wire on a separate location than the main connector s ground wire may resolve the issue 24 Function Setting 1 sets display position or display method OFF Nothing is displayed AF 1 Displays A F sensor 1 s A F value readings If is displayed peak hold value is shown NF 2 Displays A F sensor 1 s A F value readings If is displayed peak hold value is shown Knock level value is displayed KNK If multiple sensors are used the average value is shown If BR is displayed the peak hold value is shown The difference between A F Values 1 and 2 is calculated based on A F Value 1 A F 1 2 CPr X Pressing the volume knob for more than one second while displaying setting Digital Display 2 or 3 will turn underlines ON OFF
23. lue Display Range 9 9 9 9 A F 19 2 Viewing Knock Level Value The display position and knock level value display range can be edited Peak hold can also be displayed will be shown on the screen to indicate the peak hold display position O To reset peak hold value press and hold the volume knob for more than one second while in Monitor Mode If the bar graph peak function is in use the bar graph peak value is also reset X Peak hold value bar graph peak value are not saved and are deleted when the unit is next powered off Q The warning value can be set in Digital Display 1 When multiple knock sensors are connected the average value is shown OD E v P OLLI Knock Level Value Display Range ng Be C 0 100 o 5 9 3 Volume Adjustment Headphone volume can be adjusted when listening to knocking sounds via the unit s volume knob The volume also can be adjusted in Setting Mode Volume can still be adjusted for up to three seconds after initial volume adjustment If no volume changes are made for longer than three seconds the adjusted volume will be set to the Amp unit and the unit will beep and the display will return to the Monitor Mode Headphone volume adjustment range 0 255 4 Display Refresh Rate Setting Pressing and holding button 1 or 2 will change the display refresh rate speed The rate also can be adjuste
24. ly The knock sensor detects the vibration of the engine therefore the volume will become louder as the engine rpm gets higher Turn down the volume to avoid distortion at high revs 3 If distortion or crackling can be heard even with the volume turned down lower the knock input amp gain value 4 While maintaining high engine RPM while in neutral check to make sure there is no audible knocking 5 Adjust the knock detection condition set value In small increments decrease the knock detection condition value until the knock level value on Digital Display 3 does not read 0 Then increase the knock detection condition set value in small increments until the knock level value on Digital Display 3 continuously reads 0 If the knock level stays 0 even the knock detection condition set value is 0 set the knock detection condition set value to 0 and go to the procedure 6 below 6 Using headphones listen to make sure that knocking is not occuring while checking the display to make sure the knock level display reads 0 even under load If the knock level display does not read 0 increase the knock detection condition value to adjust 7 If the knock level value is too high when knocking occurs lower knock input amp gain value and repeat from step 4 7X1 The knock sensor converts engine block vibrations to electric signals The knock sensor will detect engine block vibrations regardless of engine knock occuring so signal levels will be constantly f
25. mp 5 gt Black Ground for Sensors Amp Unit Monitor Unit 5 Black Ground for Power B Monitor ra Brown Spare Signal Line Harness X unused Female and Male Bullet GCC Connector A F Voltage Output Connectors are shown in the diagram below OG GCC Connector Knock Voltage Output lt L 2 1 Female Bullet Male Bullet 5 Black Ground for Sensors Connectors Connectors ili gt 5 15 5 White Knock Sensor 1 Input ECU 2 Gray Knock Sensor 2 Input gt Knock Sensor 2 L3 Interior Install the A F sensor onto the exhaust pipe using M18 x P1 5 bolt s If the vehicle is equipped with a factory O2 sensor that is mounted with the same size bolt s use these bolt s to install the replacement A F sensor The dummy signals of the O2 sensor signal and the O2 sensor heater signal will output from the amp unit Connect the bullet connector of the main harness referencing Section 3 2 Wiring Diagram X The dummy signals may not be applicable depending on the vehicle If the factory O2 sensor is not replaced with the A F sensor weld an O2 sensor boss not included onto the exhaust pipe to install the sensor Install the sensor so that the end of the sensor faces upward at least 10 higher than 180 flat pos
26. nnected short circuited or incorrect If so it may cause an electric shock short or damage to the vehicle If the product or the vehicle with the product does not perform properly consult your retailer dealer immediately Daily maintenance of the vehicle is the responsibility of the owner user This manual shows a typical installation Actual installation may vary depending on the vehicle application Refer to the factory service manual when removing factory parts Do not lose and or damage any removed factory parts Make sure to use appropriate tools to tighten nuts and bolts Do not over tighten bolts and nuts INTRODUCTION 1 PRODUCT SPECIFICATIONS H 1 SAFETY INSTRUCTIONS HH 2 INDEX s00000nnnnnnnnnnnnnnnnnennnnannnnnennnnannnnennnnnnnnrusnnnnnnnnennnnnnnnnenunnnnnnnnannnnnnnenunnnnnnnnrnunnnner 4 PARTS PP 5 OPTIONAL PARTS LIST emm 5 NAMES amp FUNCTIONS 1 AMP UNIT emm se sememesese eese menn 6 2 MONITOR UNIT 7 3 Display Index e 8 INSTALLATION 1 Advice for Installation mmn HH HH HH Henne 10 2 Disconnecting the Battery Terminal eem 11 3 Wiring 3 1 Connecting bullet connecter nnne 11 3 2 Wiring Diag
27. of the GCC connector to Ignition GCC Connector of the F CON unit By default A F1 Blue wire is connected To use A F2 Blue Black wire replace the wire with A F 1 A F1 and 2 cannot be used together To Replace the Factory O2 Sensor To replace the factory O2 sensor use the provided bullet connector to connect the O2 dummy output wire and O2 heater dummy wire from the main harness to their respective vehicle side wires The dummy signals may not be applicable depending on the vehicle If not applicable do not connect these wires F CON Red IG Power A F Knock Amp A F Knock Amp 53 Black Ground for Sensors Amp Unit Monitor 3 Black Ground for Power Monitor Brown Spare Signal Line Harness unused X Female and Male Bullet GCC Connector A F Voltage Output Connectors are shown in the diagram below L gt A F SENSOR HARNESS Female Bullet Male Bullet Connectors Connectors White 02 Heater Dummy Output 1 Es O2 Heater White Black O2 Heater Dummy Output 2 Output DI Yell 02D Output 1 ellow ummy Outpu 02 Sensor Yellow Black O2 Dummy Output 2 Signal T Input Interior Ecu Engine Room Sensor 3 Knock Amp Function Wiring
28. on installation onto a factory vehicle or a vehicle using other HKS products The performance and or safety cannot be guaranteed if this product is installed onto other inapplicable vehicles This product operates only on vehicles with DC12V negative ground The specifications of this product are subject to change without notice This manual is subject to revision without notice The user must keep this manual SAFETY INSTRUCTIONS To avoid possible accidents do not mount the unit where it may become a distraction during driving Do not install this product on a vehicle with DC24V negative ground It may cause a fire Make sure to remove the cable from the negative terminal of the battery to avoid possible damage to other electronics parts and or a fire caused by a short circuit Cease use of this product if any unusual situation is noticed Consult the dealer immediately N Caution Do not install this product by yourself unless you have and know how to use the tools and equipment necessary to safely perform service operations on your vehicle Do not modify disassemble and or remodel the product and attached parts to avoid any damage to the unit and or harness Handle this product carefully as this product is made using precise electrical components Prevent oil and or water from entering the unit or engine damage can result Make sure all connections and wiring are not disco
29. ountermeasure Unit does not The power cable is not connected Make sure the power cable line is wired correctly power on Improper grounding Remove any paint and or rust from the grounding section Communication error 1 if Error No 001 Check to make sure the relay harness is connected properly Turn the ignition off then on Communication error 2 if Error No 100 Check if communication is interrupted by engine chassis vibrations while driving Make sure all harnesses are connected properly Error message Communication error 3 if Error No 010 appears Communication error 4 if Error No 002 Communication error 5 if Error No 008 Make sure connectors are connected properly Check if communication is interrupted by engine chassis vibrations while driving Make sure the display harness is connected properly Communication error 6 if Error No 888 Check if communication is interrupted by engine chassis vibrations while driving Make sure the display harness is connected properly Sensor s warm The A F sensor is not connected Make sure the Setting Mode is not attempting to display other sensors that are not connected Up sequence does not end The A F sensor harness is cut off Make sure the A F sensor harness is connected properly The A F output does not respond The A F sensor is worn out Repl
30. own after the A F sensor warm up sequence is completed The A F value and the knock level can be monitored in this mode Displayed items and warning alert timing can be changed via settings See Setting Mode section from page 21 for more details d Press and release quickly Operation Symbols b Rotate volume dial b Press and hold for more than one second 1 Viewing A F Value Display position and display range of the A F value can be edited Peak hold can also be displayed will be shown on the screen to indicate the peak hold display position Select lean peak hold or rich peak hold to display via settings To reset peak hold value press and hold the volume knob for more than one second while in Monitor Mode If the bar graph peak function is in use the bar graph peak value is also reset X Peak hold value bar graph peak value are not saved and are deleted when the unit is next powered off O The warning value can be set in Digital Display 1 RAF C A F Value display range me i 5c C 2 0 25 0 A F 0 23 j 2 5 10 4 46 CJ Q9 When 2 A F sensors are used the difference between the A F values 1 and 2 can be viewed A F comparison value is based on A F value 1 While the A F values are being compared is shown on the display Peak hold function cannot be used while A F values are being compared Comparison Va
31. ram 11 3 3 Wiring 1 Ignition power and Ground 12 2 A F Amp Functions Wiring meme 13 3 Knock Amp Function Wiring HH Henn 14 4 Installing A F Sensor nnne 15 5 Installing the Monitor Unit mmm 16 6 After Installation 16 OPERATION Operation Outline Diagram mme 17 Monitor Mode 19 Setting Mode 1 A F Amp Setting nennen 21 2 Knock Amp Basic Setting eene 23 3 Function Setting 40 25 4 Function Setting VEI 27 5 Function Setting KEEPS 28 TROUBLESHOOTING 30 REPAIR SERVICE 31 FOR SUBSEQUENT OWNERS 31 SET UP SHEET meme sess semen ke semine 32 REVISION OF INSTRUCTION MANUAL gt lt mI I I III I hehehe nenne 34 MONITOR UNIT MAIN HARNESS 4 AF SENSOR HARNESS QT 1 QT 1 QT 1 QT 1 SS 5 KNOCK SENSOR HARNESS 6 MONITOR UNIT HARNESS 7 O2 SENSOR BOSS 8 A F SENSOR QT 1 QT 1 QT 1 FEMALE BULLET x 4 FEMALE SLEEVE x 4 Gc MALE BULLET CONNECTOR x 4 FEMALE BULLET CONNECTOR x 2 FEMALE SLEEVE x 2 MALE BULLET CONNECTOR x 2 MALE SLEEVE x4 5 MALE SLEEVE x 2 5 Japanesex1 English x 1 9 CONNECTOR SET1 10 CONNECTORSET2 11 DOUBLE SIDED TAPE 112 I
32. refresh rate Holding this button for an extended period of time will increase the refresh rate time value such that the refresh rate decreases further In setting mode use this button to activate the setting 2 Volume Turn this knob to adjust the volume of the headphone Press and hold this knob for more than one second to reset peak hold value Rotate this knob while in setting mode to select and edit values 3 Button 2 In monitor mode press and hold this button for more than one second to increase displav refresh rate Holding this button for an extended period of time will decrease the refresh rate time value such that the refresh rate increases further In setting mode use this button to switch the setting group 4 Digital View 1 2 3 The following values are displaved A F Value 1 A F Value 2 Knock Level respective Peak Hold Values and the A F Comparison Value Selection of the displav values can be done via settings 5 Bar Graph A bar graph of the values shown in Digital Displav 1 Each bar of the bar graph is based on the selected item or the minimum and maximum values of the selected item 6 Indicator This item appears depending on the condition s below This appears when the value for the Digital Display 1 exceeds the warning value This appears when changing values in setting mode This appears when selecting values in setting mode 7 Monitor Harness Connector 3 pin 8 Spare Connector 2 pin
33. utton 1 1 1 Lambda 1 A F Value Enter the A F value coefficient for the fuel being used If the vehicle uses unleaded gasoline the above step is not necessary Settingrange 4 00 20 00 in 0 1 increments 1 2 A F Value Setting at 0 5 V A F Voltage Output Set the A F value P05 when the A F voltage output setting is O 5 V 2 0 25 0 in 0 1 increments AF 8 0 r For settings using an 5 F CON V Pro see section 1 3 0 5 4 5 21 Voltage Output V 1 3 A F Value Setting at 4 5 V A F Voltage Output Set the A F value P45 when the A F voltage output setting is 4 5 V Setting range 2 0 25 0 in 0 1 increments Default Value 20 0 A F Settings Using an F CON V Pro PAD eee ee Set P05 to 8 5 and P45 to 20 0 Use the F CON V Pro PowerWriter software used only by Certified HKS Pro Pos Dealers to change the parameter Ignition GCC Input to and A F Conversion Table to HKS 0 5 4 5 Voltage Output V 1 4 Voltage Setting at Lean 02 Dummy Output Set the voltage at lean O2 dummy output Setting range 0 255 x10mV in 1 increments ao 1 UL ig DefaultValue 19 px10mv 1 5 Voltage Setting at Rich 02 Dummy Output Set the voltage at rich 02 dummy output c 2 Setting range 0 255 x10mV in 1 increments E zm 00 95 DefauitValue 95
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