"service manual"
Contents
1. E18 A C Compressor clutch relay A17 intercepted E19 Evap Canister vent shut valve gt E20 Secondary O2 sensor signal __ o O l gt E21 Secondary O2 sensor heater o Z o l gt O E22 Brake Pedal position switch o o l EI O O E24 CAN Low es ANTI E25 Engine speed pulse A b a E26 Vehicle speed out a a I a immobilizer code To a O T oao E28 AIC switch signal T a ee E29 Service Check signal a A T E30 Write Enable signal o a T a J m Connector Connector B Connector C Connector D Connector Page 14 of 21 Application Notes for EMS P N 30 6053 F22C1 Model S2000 Years Covered 2006 2008 Engine Displacement 2 2L of Injectors ONG o Factory Inj Resistors N O 1 02 1 wideband sensor required original O2 sensor used only for original check engine light Idle Control Stock electronic throttle Main Relay Control Controlled by stock ECU Lambda Sensors used Drive Options Supplied Connectors AEM Extension patch harness AEM Plug pin kit Description Function Pin Spare 0 5V Input Channel ADCR14_ D8 Spare Low Side Output Driver Ide6 B17 ENE Wire View of AEM EMS Al A Ad Ad AS AG AT AB AS 410 All Bi ES B3 B4 85 B6 BY 412 413 414 415 416 A17 A189419 A20 A21 A22 A23 Aza Bg Bid A75 AZG A2T 420 1429 430 431 AJZ Big B20 B21 822 B23 B24 B25 Connector A Connector B WARNING The Coil 7 and Coil2. PERFORMANCE ELECTRONICS Installation Instructions for EMS P N 30 6053 Fits vehicles 2006 2008 Honda S2000 AP2 F22C1 WARNING This installation is not for the tuning novice nor the PC illiterate Use this system with EXTREME caution The AEM EMS System allows for total flexibility in engine tuning Misuse of this product can destroy your engine If you are not well versed in engine dynamics and the tuning of management systems or are not PC literate please do not attempt the installation Refer the installation to a AEM trained tuning shop or call 800 423 0046 for technical assistance You should also visit the AEM EMS Tech Forum at http forum aempower com forum index php NOTE AEM holds no responsibility for any engine damage that results from the misuse of this product This product is legal in California for racing vehicles only and should never be used on public highways Vehicle fitment Series Il EMS 2006 2008 Honda S2000 AP2 F22C1 30 6053 2010 Advanced Engine Management Inc ADVANCED ENGINE MANAGEMENT INC 2205 126 Street Unit A Hawthorne CA 90250 Phone 310 484 2322 Fax 310 484 0152 http www aempower com Instruction Part Number 10 6053 Page 1 of 21 Thank you for purchasing an AEM Engine Management System The AEM Engine Management System EMS is the result of extensive development on a wide variety of cars Each system is engineered for each particular application The AEM EMS differs from all
3. inverted signal to PW 1 B7 pm High side 2 Output Available switched 12V power 1 5A max Y Idle 5 Output Available switched ground 1 5A max 12V switched Output Available switched 12V power powered on when B1 is on Power ground 2 Power ground Dedicated power ground for AEM EMS Injector 1 Injector 1 Output PnP for injector number 1 VTEC solenoid valve High side 1 Output PnP for VTEC engagement signal Coil 1 Output Available 0 5V falling edge signal number 1 connected to C4 NES Not used A AA ON PW 1 Available pulse width modulated switched ground 1 5A max AN Injector 8 Available pulse width modulated switched ground 1 5A max AN Available switched 12V power 1 5A max Sw Idle 7 Available switched ground 1 5A max pm Injector 6 Available pulse width modulated switched ground 1 5A max B1 B2 B3 BA A B8 EN cn Cn B12 13 En cn cn B17 B18 En B20 Power ground Output Available power ground re fea tes ops ene 320 poner me energia opa Nn powerr ee mt o Avan puse etn most ute grind TA mer COI A OE Pues es opa ti ten 12 poner 8A ae Wire View of AEM EMS Al A2 AJA AS A6 AT AB AD A10 A11 B1 B2 B3 B4 B5 B6 B7 B8 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 D1 D2 D3 D4 D5 A12 A13 A14 A15 A16 A17 418 419 A20 421 422 A23 A24 B9 B10 811 B12 B13 B14 815 B16 B17 B18 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 D6 D7 D8 D9 D10 D11 D12 A25 A26 A
4. B11B12 B13 B14 B15 B16 B17 B18 C11C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 D6 D7 Ds DS 010 D11 D12 A25 A26 A27 A28 A29 A30 A31 A32 B19 B20 B21 B22 B23 B24 B25 C23 024 C25 C26 C27 C28 C29 C30 C31 013 014 015 D16 Connector A Connector B Connector C Connector D Page 19 of 21 Connection Diagram for EMS P N 30 6053 AEM adapter harness pinout E gray connectors wired to dt En o EMS pin description vehicle wiring harness Injector 5 Output Available pulse width modulated switched ground 1 5A max Injector 7 Output Available pulse width modulated switched ground 1 5A max D3 Idle 1 Output Available switched ground 1 5A max High side 4 Output Available switched 12V power Idle 4 Output Available switched 12V power 1 5A max Relay pin 3 5V filtered power Dedicated EMS shut off EGT 2 Input Available exhaust gas temperature sensor number 2 jumper set for 0 5V input roo pit 08V sensor sonan 100 pul up reser SY roo o sorores Output tai red orouna forsensos CIS METI E DAA TT CON ANETO ATEN Po na pit Aaa ced ound inp sina rumoer fom ea Output aval snes 12 power Amex wm om ET ms eres pa ta ero pressure sensorsora pis ez osa Avan nos sla pei mode such ro Wire View of AEM EMS Al A 43 44 AS AB AT AB AS AIG AY Bi Bit B3 B4 B5 BG BF B3 Gi C2 C3 Ca 5 06 cr ca ca Ci Di1 De 03 Del D5 At2 A13 Atal ASAS 16 re lara Adal 4201421 422 A33 a Bu Bid Bil Bi2 B13 B14 815 B16
5. others in several ways The EMS is a stand alone system which replaces the fuel and ignition functions of the factory ECU and features unique Plug and Play Technology which means that each system is configured especially for your make and model of car For stock and slightly modified vehicles the supplied startup calibrations are configured to work with OEM sensors providing a solid starting point for beginner tuning For more heavily modified cars the EMS can be reconfigured to utilize aftermarket sensors and has many Spare inputs and outputs allowing the elimination of add on rev limiters boost controllers nitrous controllers fuel computers etc It also includes a configurable onboard 1MB data logger that can record any 16 EMS parameters at up to 250 samples per second Every EMS comes with all functions installed and activated there is no need to purchase options or upgrades to unlock the full potential of your unit The installation of the AEM EMS on the supported vehicles uses the stock sensors and actuators After installing the AEMTuner software the startup calibration will be saved to the following folder on your PC C Program Files AEM AEMTuner Calibrations Honda Acural Multiple calibrations may be supplied for each EMS additional details of the test vehicle used to generate each calibration can be found in the Calibration Notes section for that file Please visit the AEM Performance Electronics Forum at http www aempower co
6. stock ECU through the drivers side door sill and underneath the drivers side seat Take note of the bends that the harness will require so that the plastic cover that protects the harness will fit over the AEM wiring harness A few zip ties will hold the harness against the stock ECU so that the clutch pedal will not contact it See photo above to get an idea of the stock clearance of the ECU and clutch pedal g a Plug in adapter harness to stock wiring Plug in dape scam to stock ECU Mount the AEM EMS behind the seat in the upright position to maximize seat adjustment using the Velcro strips provided Make sure the EMS is not impacted by the seat when moving it back into place EMS location Reinstall the covers in the reverse of removal Make sure that the cover that goes over the original ECU and now the adapter harness fits so that it is not contacting the clutch pedal Page 8 of 21 2 Repin ECU pins only necessary if adding or relocating ECU pins a Locate a small screwdriver a precision 1 5mm wide flathead screwdriver is recommended and carefully pry white plastic retainer using both slots in the retainer so it disengages vertically about 1mm as shown in the following pictures Screwdriver lifts here Plastic retaining mechanism after lifting b Next remove the metal pin from the plastic connector by lightly prying on the plastic tabs that secure the metal pin in the plastic connector while pulling on th
7. 2 month warranty period Improper use or installation accident abuse unauthorized repairs or alterations voids this warranty AEM disclaims any liability for consequential damages due to breach of any written or implied warranty on all products manufactured by AEM Warranty returns will only be accepted by AEM when accompanied by a valid Return Merchandise Authorization RMA number Product must be received by AEM within 30 days of the date the RMA is issued Please note that before AEM can issue an RMA for any electronic product it is first necessary for the installer or end user to contact the tech line at 1 800 423 0046 to discuss the problem Most issues can be resolved over the phone Under no circumstances should a system be returned or a RMA requested before the above process transpires AEM will not be responsible for electronic products that are installed incorrectly installed in a non approved application misused or tampered with Any AEM electronics product can be returned for repair if it is out of the warranty period There is a minimum charge of 75 00 for inspection and diagnosis of AEM electronic parts Parts used in the repair of AEM electronic components will be extra AEM will provide an estimate of repairs and receive written or electronic authorization before repairs are made to the product Page 21 of 21
8. 27 A28 A29 AJO A31 A32 B19 B20 B21 B22 B23 624 B25 C23 024 C25 C26 C27 C28 C29 C30 C31 D13 D14 D15 D16 Page 18 of 21 Connection Diagram for EMS P N 30 6053 AEM adapter harness pinout EMS gray connectors wired to AEM EMS 30 6053 1 0 EMS pin description vehicle wiring harness RR A e kock eeno Knock 1 inout PnP for knock sensor signal depin from stock ECU if more sensitivity is required ignition coil 1 Output PnP for ignition coil 1 connected to B13 NES Available asco Pay aay number 4 Pert Input Available 0 5V sensor signal C Dedicated filtered ground for sensors roo f oome ouput Avena Mere rounder speed sensors FET few ena put at unos ground input signal numbord Pe Tresor 10 Output avanne pase wi modulated switche ound 15A max ers e pa aae OSV area senor number 2 sianal ers imp O Alte 050 attra sensor number tinal emf a seorponer Ouput O aratate 18V sensor power ef Timing round Output Aaa Mere round for speed sensors TA ez ea input ati 0 5 krock sensor signal comecias 062 emt ars put avata O5Ysersr signal 100K put up resto SV Seen fem ESPECIE n SV sensorowe O fem Tring rina ouput Ava rr ea Tring rine oupa avatares roura for speed sensors TITA C1 C2 C3 C4 C5 C6 7 Al A2 A3 AS AS AB AT AB AS A10 A11 B1 B2 B3 B4 BS B6 B7 B8 C1 C2 r rGS FGS C5 C6 C7 C8 C9 C10 D1 D2 D3 D4 DS A12 A13 A14 A15 A16 A17 A18 A19 420421 A22 A23 A24 B9 B10
9. 8 outputs are intended only for use B11 Bi2 613 814 815 B16 B17 B18 C11 012 013 0214 015 016 0170 18 019 020 6021 C22 BS 01 C2 C3 C4 C5 C6 c ca cs cit 01 De 03 D4 DS D6 OF 08 D3 010 011 D12 C23 C24 025 G26 CAT C28 c29 C30 C31 D13014 015 Di6 Connector C Connector D with ignitors or smart coils with built in ignitors Do not connect these pins directly to 2 wire direct fire ignition coils a k a dumb coils doing so will damage your EMS and void your warranty All switch input pins must connect to ground the switch should not provide 12V power to the EMS because that will not be detected as on or off Connecting 12V power to the switch input pins may damage your EMS and void your warranty Page 15 of 2 1 Connection Diagram for EMS P N 30 6053 Please note that the following pinout is for the AEM EMS and not the original Honda S2000 wiring harness Means the Plug and Play system comes with this configured for proper operation of this device Is still available for reassignment by the end user Available Means the function is not currently allocated and is available for use Dedicated Means the location is fixed and cannot be changed Means that the AEM EMS does not use this pin location for this application AEM adapter harness pinout gray connectors wired to vehicle AEM EMS 30 6053 EMS I O EMS pin description wiring harness Coolant dash Outout Available provides coolant temperatu
10. B17 818 211 C12 Cis Cid Cis Cib Ci Cid Cid C20 C21 C22 D6 OF 08 OS 010 011 Diz me Az6 ART 479 479 ASO 431 AJZ Big Azo Bri 622 B23 Bed B25 Cra C24 C25 G26 G2T C20 0239 20 Cai 0139 04 D15 016 Connector A Connector B Connector C Connector D ias pinout E Relay pinout les y Relay pin description 12V 12Vswitohedimput 2 switched input Stock ECU E9 Dedicated ES Ground to 5V line AEMEMS D6 Output Dedicated used to power AEM EMS off properly _ AAA e Wire view of relay Page 20 of 21 AEM Electronics Warranty Advanced Engine Management Inc warrants to the consumer that all AEM Electronics products will be free from defects in material and workmanship for a period of twelve months from date of the original purchase Products that fail within this 12 month warranty period will be repaired or replaced when determined by AEM that the product failed due to defects in material or workmanship This warranty is limited to the repair or replacement of the AEM part In no event shall this warranty exceed the original purchase price of the AEM part nor shall AEM be responsible for special incidental or consequential damages or cost incurred due to the failure of this product Warranty claims to AEM must be transportation prepaid and accompanied with dated proof of purchase This warranty applies only to the original purchaser of product and is non transferable All implied warranties shall be limited in duration to the said 1
11. EM EMS 30 6053 EMS 1 0 Output Available switched ground 1 5A max Output Available switched ground 1 5A max Output Available switched ground 1 5A max Output PnP for radiator fan control cannot be set higher than stock ECU p temperature of 95 F 35 C unless tapped wire at stock ECU is disconnected only available for use with 3 wire smart coils EGT 3 Input Available exhaust gas temperature sensor number 3 jumper set for 0 5V input Output Available filtered ground for sensors Input Available switched ground input signal number 1 EMS pin description Low side 6 Low side 10 Low side 7 Radiator fan control Low side 8 12V power Coil 8 O2 2 12V start signal Idle 3 Switch 5 A2 co co co co co es nes ca co co co co Sensor ground Switch 1 Wire View of AEM EMS Al A2 A3 A4 AS A6 AT AB AD A10 A11 B1 B2 B3 B4 B5 B6 B7 B8 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 D1 D2 D3 D4 D5 A12 A13 A14 415 A16 A17 A18 A19 A20 A21 A22 A23 A24 B9 810 811 B12 B13 B14 B15 B16 B17 B18 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 D6 D7 D8 D9 D10 D11 D12 A25 A26 A27 A28 A29 AJO A31 A32 B19 B20 B21 B22 B23 B24 B25 C23 C24 C25 C26 C27 C28 C29 C30 C31 D13 D14 D15 D16 Page 17 of 21 Connection Diagram for EMS P N 30 6053 eo Roda EMS pin description vehicle wiring harness Injector 4 PnP for injector number 4 Available pulse width modulated switched ground 1 5A max EAN a
12. If you would like the knock sensor to be more Page 3 of 21 sensitive you can depin Pin A1 that goes into the stock ECU but the malfunction code for this sensor will turn on If this is done the knock sensor calibration will need to have 0 3 Volts added to each breakpoint in the calibration Traction control function When active the stock traction control system will be affected by adding the EMS The stock traction control system uses throttle fuel and ignition changes for the traction control system Since the fuel and ignition are no longer controlled by the stock ECU these aspects of traction control must now be configured in the calibration in the EMS The throttle will still be cut as normal but the traction and stability control warning lights will stay on after the system is no longer activated and will reset when the vehicle is turned off EMS Fuel Map Boost Fuel Trim Table The 30 6053 calibration maps provided utilize the Boost Fuel Trim Table to provide a 1 1 fuel compensation above atmospheric pressure However since the calibration was created on a naturally aspirated vehicle A calibration is provided above 100 kPa it has not been tested in boost and must be tuned to your application if turbo or supercharged To use this table the Boost Fuel Trim Table should be configured to provide twice as much fuel when the manifold pressure is twice as high and half the fuel when the manifold pressure is half as high thi
13. e wire at the yy A Ey same time as shown below Pry this tab up to release the pin While prying tab up gently pull pin back 3 Install the AEM Engine Management System a Plug the provided wiring harness into the AEM EMS and position it so the wires are not pulled tight or stressed in any manner b Secure the EMS with the provided Velcro fasteners behind driver s side seat c Reconnect the negative battery terminal d Plug the communications cable into the EMS and into your PC e Turn the ignition on but do not attempt to start the engine f At the time these instructions were written new EMS units do not require USB drivers to be installed on the PC The EMS will automatically be detected as a human interface device HID g With the AEMTuner software open select ECU gt gt Upload Calibration to upload the startup calibration file cal that most closely matches the vehicle s configuration to be tuned Check the Notes section of the calibration for more info about the vehicle it was configured for These files can be found in the following folder C Program Files AEM AEMTuner Calibrations Honda Acura Page 9 of 21 h NOTE the throttle range on this vehicle is set differently from other EMS applications Disconnect the DBW connector on the throttle then perform the procedure as follows by holding the throttle open and closed manually at the throttle plate Set the throttle range Select Wizards gt gt Set T
14. eason is most likely a battery voltage of less than 8 volts see Channel called Battery Raw which is an unfiltered value of actual battery voltage being received by the EMS If this is the case you can confirm this by connecting with a serial cable a serial adapter may be required if your computer is not equipped with a serial port and check in the AEMTuner software for a Channel called Run Time as well as the Battery Raw to see at what voltage the EMS cuts out at Run Time is the amount of time in seconds that the EMS has been turned on for If you notice that this Channel resets to zero while the EMS is communicating with the computer and the vehicle is being cranked that means the EMS has had lower than 8 Volts at some point and has reset the system A thorough wiring check may reveal a large voltage drop causing this problem or it may simply be the need for a new or a larger battery AEM adapter harness The 2006 2008 Honda S2000 uses an electronically controlled throttle which will remain controlled by the original ECU The adapter harness provided will allow the user to retain the original electronically controlled throttle while still being able to control all other engine management aspects that you have come to expect from AEM In addition the stock instrument cluster air conditioning and emissions controls will continue to work as normal controlled by the original Honda ECU Vehicle speed sensor Currently t
15. ector 1 Injector 1 on EMS B11 intercepted B6 VTEC solenoid valve HS 1 on EMS B12 intercepted E AO oo Coolant Temperature signal 1 CLT on EMS tapped MBA AO RR B10 Alternator L signal IA ae B11 VTEC oil pressure switch B10 stock ECU side intercepted B13 Alternator FR signal Z Jl a B15 Engine mount control solenoid valve C a II a B18 Alternator Control signal LS 30n EMS B19 Throttle Actuator signal SEFD___ Z o l B20 Throttle Actuator signal SEDF Z o l B21 Evap Emission Canister purge valve B22 fm AEM EMS Tapped or ON location A D1 Cruise Control set switch Cruise Control resume switch A A D8 Brake pedal position switch E ee MA CUR D9 Cruise Control clutch signal a ee ee ee J Connector Connector B Connector C Connector D Connector E Page 13 of 21 AEM EMS Tapped or pin location intercepted E1 Engine Coolant Temperature sensor 2 EA ae E3 Logic Ground 3 o ee a a E4 Sensor Ground 3 C aA I a E5 Sensor Voltage 3 AR Main Relay control ECC o E8 AF sensor heater relay EQ Ignition signal ignition signal on EMS Relay pin 1 amp B1 tapped E11 CAN High os A E12 Radiator Fan control LS 8 on EMS A20 intercepted E13 SEFMJ multiplex communication E14 Fuel Tank Pressure sensor o o 5 o O E15 Electrical Load detector YAA E16 Power Steering Load detector o Z o l
16. er s side door sill to place the wiring harness provided Next remove the two screws holding the plastic cover behind the driver s seat to place the EMS in the area behind the seat _ _ is kth 4 1 y Remove screw holding plastic cover Remove carpet covering harness f Tap pin 3 on the red blue TPS wire on the stock wiring harness using the provided wire tap It is located on the white 6 pin connector near the stock ECU shown below Tap pin 3 red blue wire on 6 pin connector Page 6 of 21 g h How to use provided wire taps a Run harness TPS wire through Place vehicle wire in tap Screw in tap onto vehicle wire Place harness TPS wire as shown Screw TPS wire into tap Carefully disconnect the wiring harness from the ECU Avoid excessive stress or pulling on the wires as this may damage the wiring harness All connectors must be removed without damage to work properly with the AEM ECU Do not cut any of the wires in the factory wiring harness to remove them Next to the stock ECU on the stock wiring harness the A and B connectors should be routed underneath the D and E connectors to make them easier to install ED y A LS om e P a N 5 NW j A l 4 q e l P A Reroute connec Carefully remove ECU connectors tors Page 7 of 21 k Connect provided adapter harness to factory wiring harness and stock ECU Then route the harness from the
17. he speed sensor is the only circuit that causes a check engine light This will not affect the function of the electronically controlled throttle Engine Wiring Harnesses swapped engine installations It would be very wise to double check that the pinout destinations for the circuits is accurate to the provided documentation This is especially true if the vehicle contains a swapped engine or if the wiring harness has been cut spliced soldered tapped or modified in any manner It is the user s responsibility to check that the wiring on the vehicle matches the pinout chart in this document AEM will not be held responsible for loss or damage that can occur if the EMS is installed in a vehicle in which the wiring harness does not match the AEM supplied pinout chart Retaining original O2 sensor For the malfunction code for this sensor to remain off the stock oxygen sensor must be retained However when the air fuel ratio is too rich with this sensor in the case of a turbo application the check engine light will still come on This will not have any affect on the operation of the car including the electronically controlled throttle Knock sensor In the AEM wiring harness the stock knock sensor has been tapped rather than intercepted to keep the stock ECU from thinking it has a malfunction The knock sensor is less sensitive but still functional and the calibration for the sensor is lower by 0 3 Volts in the AEMTuner calibration
18. hrottle Range When finished check that the Throttle channel never indicates less than 3 2 or greater than 99 8 must be 2 2 or more since the DBW throttle will close slightly when the engine starts this is considered a sensor error and may cause some functions including idle feedback and acceleration fuel to operate incorrectly Since this application uses the original drive by wire system it is highly recommended that after calibration is complete the throttle is rechecked to ensure that the minimum throttle never causes the Error Throttle channel to turn on This would happen when the vehicle is off and the key is turned on 4 Ready to begin tuning the vehicle a b Before starting the engine verify that the fuel pump runs for a couple of seconds when the key is turned on and there is sufficient pressure at the fuel rail If a MAP sensor is installed check that the Engine Load indicates something near atmospheric pressure approximately 101kPa or O PSI at sea level with the key on and engine off Press the throttle and verify that the Throttle channel responds but the Engine Load channel continues to measure atmospheric pressure correctly Start the engine and make whatever adjustments may be needed to sustain a safe and reasonably smooth idle Verify the ignition timing Select Wizards gt gt Ignition Timing Sync from the pull down menu Click the Lock Ignition Timing checkbox and set the timing to a safe and c
19. in the original wiring harness AEM EMS _ Tapped or ee E e E A2 Ignition power2 S A IE CI A4 Power ground 2 Power ground on EMS B10 tapped As Power E 1 Poe sil on EMS Relay ved 284 tapped AG Camshaft position sensor T2 on EMS C20 tapped Logic Ground Ao A Logic Ground SSS d e d A AF sensor heater a d A p a a ee A13 Ignition Coil 4 Coil 4 on EMS C14 intercepted A14 Ignition Coil 3 Coil 3 on EMS C13 intercepted A15 Ignition Coil 2 Coil 2 on EMS C142 intercepted _A16 Ignition Coil 1 Coil 1 on EMS A18 Vehicle Speed Sensor T3 on EMS tapped AIST e A d a A20 Sensor Voltage 2 ONE o CANES A21 Sensor Voltage a oo AAA O o O A23 Sensor Ground 2 Sensor ground on EMS C18__ tapped A24 Sensor Ground 1 Sensor ground on EMS C7_ tapped A25 Accelerator Pedal PositionB __ _ A26 Accelerator Pedal PositionA o Z o J ROT SS e y _ __ __ A28 AF sensor 1 signal a S o A A A A30 MAP signal MAP on EMS 7 tapped A31 AF sensor 1 signaal Wire view of original ECU connector J gt Connector B Connector C Connector D Connector E Connector Page 12 of 21 AEM EMS Tapped or B1 HS4onEMS D4 intercepted B2 Injector 4 Injector4onEMS B5 intercepted B3 Injector 3 Injector 3 on EMS B4 intercepted B4 Injector 2 Injector2onEMS B3 intercepted BS Inj
20. ing continuity tests measure ECU pinout voltages replace recently added or untested components with known good spares Check that all EMS sensor inputs measure realistic temperature and or pressure values If the EMS is not firing the coils or injectors at all open the Start tab and look for the Stat Sync d channel to turn ON when cranking This indicates that the EMS has detected the expected cam and crank signals if Stat Sync d does not turn on monitor the Crank Tooth Period and T2PER channels which indicate the time between pulses on the Crank and T2 Cam signals Both of these channels should respond when the engine is cranking if either signal is not being detected or measuring an incorrect number of pulses per engine cycle the EMS will not fire the coils or injectors If the Engine Load changes when the throttle is pressed this usually indicates that there is a problem with the MAP sensor wiring or software calibration when the EMS detects that the MAP Volts are above or below the min max limits it will run in a failsafe mode using the TPS to Load table to generate an artificial Engine Load signal using the Throttle input This may allow the engine to sputter or start but not continue running properly Page 11 of 21 Original Honda S2000 ECU Pinout This pinout is for the original wiring harness on the Honda S2000 showing the corresponding pin on the AEM EMS through the adapter harness Please note Connector C is not present
21. m and register We always post the most current strategy release PC Software and startup calibrations online On the forum you can find and share many helpful hints tips to make your EMS perform its best TUNING NOTES AND WARNING While the supplied startup calibration may be a good starting point and can save considerable time and money it will not replace the need to tune the EMS for your specific application AEM startup calibrations are not intended to be driven aggressively before tuning We strongly recommend that every EMS be tuned by someone who is already familiar with the AEM software and has successfully tuned vehicles using an AEM EMS Most people make mistakes as part of the learning process be warned that using your vehicle as a learning platform can damage your engine your vehicle and your EMS Page 2 of 21 Read and understand these instructions BEFORE attempting to install this product Sufficient battery voltage during cranking starting Having enough battery voltage when you crank over your vehicle is critical to the operation of your vehicle and your AEM EMS For the EMS to function properly the battery voltage must remain at or above 8 Volts when the vehicle is first starting This is the time when your electrical system will be worked its hardest and be at its lowest voltage If you are connected to your Series 2 EMS with a USB communications cable and you experience disconnecting while the vehicle is cranking the r
22. onvenient value 10 degrees BTDC for instance Remove the cylinder 1 ignition coil closest to front of engine add a spark plug wire between the ignition coil and the spark plug and place the timing light pickup on the added spark plug wire Use a timing light to compare the physical timing numbers to the timing value you selected Use the Sync Adjustment Increase Decrease buttons to make the physical reading match the timing number you selected Crankshaft timing marks are not labeled for some vehicles Consult the factory service manual for more information The diagram below shows labels for the original timing marks A points to the timing indicator and B points to the red mark that is located 5 before top dead center Ignition Timing 5 2 BTDC RED mark B at idle in neutral Page 10 of 21 c Note This calibration needs to be properly tuned before driving the vehicle It is intended for racing vehicles and may not operate smoothly at idle or part throttle NEVER TUNE THE VEHICLE WHILE DRIVING 5 Troubleshooting an engine that will not start a b c Double check all the basics first Engines need air fuel compression and a correctly timed spark event If any of these are lacking we suggest checking simple things first Depending on the symptoms it may be best to inspect fuses sufficient battery voltage properly mated wiring connectors spark using a timing light or by removing the spark plug wir
23. or D9 Sensor Ground tapped a P N 30 2010 Switched Input A31 Switch 1 Ground Page 4 of 21 1 Install AEMTuner software onto your PC The latest version of the AEMTuner software can be downloaded from the AEMTuner section of the AEM Performance Electronics forums found at www aemelectronics com series 2 units are not supported by the older AEMPro tuning software 2 Connect AEM adapter harness a Disconnect negative terminal from battery b Access the stock Engine Control Unit ECU The location of the ECU on the Honda S2000 is behind the left side driver s side kick panel Honda S2000 c Remove kick panel that covers the original ECU and the plastic cover on the lower driver s side door sill The door sill cover is held in with plastic clips as shown below Remove sill cover Clips holding sill cover Page 5 of 21 d Remove the clip that is hidden underneath the rubber sealing trim next to the dashboard and the clip for the plastic cover over the stock ECU using a plastic pry tool to avoid scratching the paint and plastic cover 2 MUUUONWOGEUEES ra Remove clip Dele E7 3 A Q Y N 4 e A pa r Ae E ay hae es a 94 a UN sg r AE y 4 i o e a sy 54 5 cS Md 7 S s d e TAO a en mah b t go j 4 e a UL Vs J i y x 7 n 3 e A lt z 4 x f Y Sek lt Remove clip e Remove the carpeting that runs along the lower driv
24. re gauge signal for Honda sob p instrument cluster ATI ATI Output PnP for fuel pump activation VTEC stock computer oil pressure switch stock VTEC stock computer oil pressure switch oil pressure switch Output PnP for VTEC oil pressure switch e E a as lll pest eee Output valo vith ound 18Amae rao veia Se TS pt Avalal vehi speed sensor comeces1o C23 o era Output Able pe wth mote sched ground 5A max mn vrec gro torso computer Fitered und ouput Dedicated used to eruate he VTECsoenois Patz tnjector9 Output Available pulse width modulated switched ground 1 5A max L i width modulated switched Available pulse width modulated switched ground 1 54 max 1 5A max eooo e e E S only available for use with 3 wire smart coils KS lll pate stow sside tt Output Available switched ground 1 5A max connected to A15 Wire View of AEM EMS A1 A2 AS AS gt AB AT AB A9 A10 A11 B1 B2 B3 B4 B5 B6 B7 B8 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 D1 De OS D4 D5 A12 A13 A14 A15 A16 A17 A18 A19 A20 221 A22 A23 A24 B9 B10 811 B12 B13 B14 B15 B16 B17 B18 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 D6 D7 D8 DS D10 tt D12 A25 A26 A27 A28 A29 A30 A31 A32 B19 B20 B21 B22 B23 B24 B25 023 024 C25 C26 C27 C28 C29 C30 C31 D13 D14 D15 D16 Page 16 of 21 Connection Diagram for EMS P N 30 6053 AEM adapter harness pinout gray connectors wired to vehicle wiring harness A
25. s should help simplify the tuning process for different vacuum and boost levels Notice the values in the main Fuel Map do not change above 100 kPa 0 psi boost the fuel correction is being made by the Boost Fuel Trim Table Note the Boost Fuel Trim Table must be adjusted if a different MAP sensor is installed or if the Load breakpoints are adjusted The Boost Fuel Trim value should be set to 90 at 10kPa O at 100 kPa 100 at 200 kPa 200 at 300 kPa etc Wiring accessories to the EMS Please follow this suggested wiring diagram when adding new accessories and retaining original accessories such as UEGO gauges MAP sensors MAF sensors IAT sensors or switches for use with the EMS Note that wire polarity is not important for the Air Temperature sensor AEM UEGO P N 30 5130 AEM EMS PIN 30 6053 Pink Switched 12V Power O2 Sensor 1 White 0 5V Analog signal Red 12V power 5A fuse Sensor Ground tapped n Brown Analog signal Black Battery or chassis ground C16 A7 A31 C7 C18 or D9 C19 or C28 5V Sensor Power tapped Red 5V Sensor Power MAP Signal Green MAP Signal MAP Sensor a Sensor Ground t d Black Sensor Ground ii AT A31 C7 C18 or pa Sensor Ground lapped oros L zener Power tapped Red 5V Sensor Pawan A29 aaa MAF igna MAF Sensor Black A7 A31 C7 C18 or D9 Sensor Ground tapped a ack Sensor Ground C25 IAT Sensor Air Temperature Sensor AT A31 C7 C18
Download Pdf Manuals
Related Search