AEM Series 2 Plug Play EMS 306050 User Manual

							  
  ADVANCED ENGINE MANAGEMENT INC. 2205 126th Street Unit A    Hawthorne, CA. 90250 Phone: (310) 484-2322 Fax: (310) 484-0152 Http://www.aempower.com Instruction Part Number: 10-6050 rev A (revised Nov 2009) 
 2009 Advanced Engine Management, Inc. 
  
Page 1 of 13 
 
Installation Instructions for: 
EMS P/N 30-6050 
 
00-01 Acura Integra 
98-99 Acura 2.3CL 
98-02 Honda Accord 
99-00 Honda Civic 
 
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 an AEM-trained tuning shop. A list of tuners can 
be found in the “AEM EMS Tuning” subsection of the AEM 
Electronics Forums at http://www.aempower.com  or by calling 
800-423-0046. 
 
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.  
						

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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 the particular application. The AEM 
EMS differs from all others in several ways. The EMS is a stand alone system, which 
completely replaces 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 
without any jumper harnesses. There is no need to modify your factory wiring harness and 
in most cases your car may be returned to stock in a matter of minutes.  
 
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-Acura\  
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.com 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. 
  
						

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Read and understand these instructions BEFORE attempting to install this product. 
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. Series 2 units are not well 
supported by the older AEMPro tuning software.  
 
2) Remove the Stock Engine Control Unit 
a) Access the stock Engine Control Unit (ECU). The location of the ECU on the OBD2 
Hondas is behind the passenger side kick panel. 
b) Carefully  disconnect  the  wiring  harness  from  the  ECU.    Avoid  excessive  stress  or 
pulling  on  the  wires,  as  this  may  damage  the  wiring  harness.  Some  factory  ECUs 
use  a  bolt  to  retain  the  factory  connectors,  and  it  must  be  removed  before  the 
harness  can  be  disconnected.  There  may  be  more  than  one  connector,  and  they 
must  all  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.  
c) Remove  the  fasteners  securing  the  ECU  to  the  car  body,  and  set  them  aside.  Do 
not destroy or discard the factory ECU, as it can be reinstalled easily for street use 
and troubleshooting. 
3) Install the AEM Engine Management System 
a) Plug  the  factory  wiring  harness  into  the  AEM  EMS  and  position  it  so  the  wires  are 
not  pulled  tight  or  stressed  in  any  manner.  Secure  the  EMS  with  the  provided 
Velcro fasteners. 
b) Plug the comms cable into the EMS and into your PC. 
c) Turn the ignition on but do not attempt to start the engine.  
d) The USB drivers must be installed the first time you connect to a Series 2 EMS with 
an  onboard  USB  port.  When  the  Series  2  EMS  is  connected to  the  PC’s  USB  port 
and  receiving  power  from  the  vehicle,  the  “Found  New  Hardware”  window  will 
appear. Select  “Install from a list of specific location (Advanced)” and browse to the 
following folder:  C:\Program Files\AEM\AEMTuner\USB Drivers (Series 2)\ 
 
e) With the AEMTuner software open, select ECU>>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\   
						

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f) Set the throttle range: Select Wizards>>Set Throttle Range and follow the on-
screen instructions. When finished, check that the ‘Throttle’ channel never indicates 
less than 0.2% or greater than 99.8%, this is considered a sensor error and may 
cause some functions including idle feedback and acceleration fuel to operate 
incorrectly.  
 
4) Ready to begin tuning the vehicle. 
a) 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 0 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.  
 
b) Start the engine and make whatever adjustments may be needed to sustain a safe 
and reasonably smooth idle. Verify the ignition timing: Select Wizards>>Ignition 
Timing Sync from the pull-down menu.  Click the ‘Lock Ignition Timing’ checkbox 
and set the timing to a safe and convenient value (for instance, 10 degrees BTDC). 
Use a timing light and 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. 
 
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) 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,  wiring  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.  
 
b) 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. 
 
c) 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 5 of 13 
Application Notes for EMS P/N 30-6050 
00-01 Integra, 98-02 Accord, 99-00 Civic 
 
Make: Acura/Honda  Spare Injector Drivers: Inj 5, Pin D1 
Model: Various, see list above  Spare Injector Drivers: Inj 6, Pin B19 
Years Covered: Various, see list above  Spare Injector Drivers: Inj 7, Pin D2 
Engine Displacement: 1.6L - 2.3L  Spare Injector Drivers: Inj 8, Pin B16 
Engine Configuration: Inline 4  Spare Injector Drivers: Inj 9, Pin A12/A13 
Firing Order: 1-3-4-2  Spare Injector Drivers: Inj 10, Pin C11 
N/A, S/C or T/C: N/A  Spare Injector Drivers: Inj 11, Pin A14 
Load Sensor Type: MAP  Spare Injector Drivers: Inj 12, Pin A10 
Map Min: 0.32V @ -13.9 PSI    
Map Max: 4.84V @ 10.94 PSI  Spare Coil Drivers: Coil 2, Pin C12 
# Coils: 1  Spare Coil Drivers: Coil 3, Pin C13 
EMS Ignition driver type: 5-0V, Rising Edge trigger  Spare Coil Drivers: Coil 4, Pin C14 
   Spare Coil Drivers: Coil 7, Pin A13 **  
# Injectors: 4   Spare Coil Drivers: Coil 8, Pin A22 ** 
Factory Injectors: 190-290cc/min Saturated    
Factory Inj Resistors: No  Boost Solenoid: PW 2, Pin D16 
Injection Mode: Sequential  EGT #1 Location: Pin A5 
Knock Sensors used: 1  EGT #2 Location: Pin D7 
Lambda Sensors used: 2   (aftermarket wideband:  EGT #3 Location: Pin A30 
 factory O2 not supported)  EGT #4 Location: Pin C5 
Idle Motor Type: Duty-controlled Solenoid 
(Rotary for D16Y7) 
 Spare 0-5V Channels: ADCR03, Pin A29 
Main Relay Control: No  Spare 0-5V Channels: ADCR11, Pin C6 
Crank Pickup Type: Magnetic (2-wire)  Spare 0-5V Channels: ADCR13, Pin C24 
Crank Teeth/Cycle: 24  Spare 0-5V Channels: ADCR14, Pin D8 
Cam Pickup Type: Magnetic (2-wire)  Spare Low Side Driver: Low Side 1, Pin A2 
Cam Teeth/Cycle: 1  Spare Low Side Driver: Idle 2, Pin A28 
Transmissions Offered: M/T, A/T  Spare Low Side Driver: Idle 4, Pin D5 
Trans Supported: M/T Only   Spare Low Side Driver: Idle 6, Pin B17 
Drive Options: FWD  Spare Low Side Driver: Idle 8, Pin B25 
Supplied Connectors: Plug D with spare pins  Spare Low Side Driver: --- 
   Check Engine Light: Low Side 10, Pin A18 
Plug-N-Pin kit: AEM part# 35-2610  Spare High Side Driver: High Side 2, Pin B7 
 (includes plugs A-D, pins)  Spare High Side Driver: High Side 4, Pin D4 
   Spare High Side Driver: --- 
   Spare Switch Input: Switch 1, Pin A32 
   Spare Switch Input: Switch 2, Pin D11 
   Spare Switch Input: Switch 3, Pin D12 
   Spare Switch Input: Switch 5, Pin A26 
 
WARNING:     **The Coil7 and Coil 8 outputs are intended only for use 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.  
 
The  function  of  the  following  pins  have  been  changed  from  the  original  30-1050 EMS, 
please see pinout chart for more info:     
A1, A10, A11, A13, A14, A22, B24, D10, D14, D15    
						

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EMS Fuel Map, Boost Fuel Trim Table 
The 30-6100 maps provided utilize the “Boost Fuel Trim Table” to provide a 1:1 fuel 
compensation above and below atmospheric pressure. In the startup calibration, the 
“Boost Fuel TrimTable” is 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; this 
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 Correct value should be set to -90 at 10kPa, 0 at 100 kPa, 
+100 at 200 kPa, +200 at 300 kPa, etc… 
 
 
 
S2000 Engine Coolant Temperature Gauge (ECT) Functionality 
For customers interested in using the Honda S2000 gauge cluster, please note that the 
30-6050 EMS is configured to drive the factory S2000 ECT gauge by sending the 
appropriate signal on pin A1. This signal is calibrated to use the OEM Honda S2000 
engine coolant sensor and may not be accurate if used with OEM coolant sensors from 
the Civic or Integra. 
 
 
 
Solution for distributed ignition ‘kick back’ when cranking: 
With  the  Series  1  EMS,  some  vehicles  would  experience  erratic  ignition  timing  at  low 
RPM.  The most  noticeable  symptom  would be  an  engine  that  ‘kicks  back’ when  cranking, 
and  in  some  cases  the  EMS  would  count  timing  errors  or  lose  ‘Stat  Sync’  at  low  engine 
speeds.  
These  problems  have  been  eliminated  by  adjusting  calibration  settings  in  Series  2  Honda 
EMS startup calibrations, but could be re-introduced by converting Series 1 calibrations or 
copying values from Series 1 calibrations. If users wish to convert old Series 1 calibrations 
for  use  with  the  new  Series  2  EMS,  please  ensure  that  the  following  options  and  tables 
match the Series 2 startup calibration: 
Crank H Sens Below,   Crank L Sens Above,   Cam(T2) H Sens Below,  
Cam(T2) L Sens Above,   Coil Dwell Factor,   Dwell Max, Dwell Min,  
Dwell vs RPM (table),   Dwell vs Batt Volts (table) 
 
 
  
						

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Wiring accessories to the EMS: 
Please  follow  this  suggested  wiring  diagram  when  adding  accessories  such  as  UEGO 
gauges, Boost Control solenoids, or switches for use with the EMS. Note that wire polarity 
is not important for the Boost Control Solenoid.    
						

							Page 8 of 13 
Connection Diagram for EMS P/N 30-6050 
00-01 Integra, 98-02 Accord, 99-00 Civic 
Pin # 00-01 Integra / 98-02 Accord / 99-00 Civic AEM EMS 30-6050 I/O Availability 
A1 --- Coolant dash signal Output Dedicated, for use with S2000 dash 
A2 --- Low Side Driver 1 Output Avail, Switched Ground, 1.5A Max 
A3 EVAP Bypass Solenoid Valve Low Side Driver 3 Output PnP For Bypass Solenoid 
A4 EVAP Control Canister Vent Low Side Driver 5 Output PnP For Control Canister Vent 
A5 --- EGT 1 Input Avail, jumper set for 0-5V Input 
A6 EVAP Purge Control Solenoid Low Side Driver 4 Output PnP For EVAP Purge Control 
A7 --- Sensor Ground Output Avail, Sensor Ground 
A8 Secondary 02 Heater Control Low Side Driver 12 Output Avail, Switched Ground, 1.5A Max 
A9 --- T3 (Vehicle Speed) Input **This pin connects to C23 also** 
A10 Service Check Signal Injector 12 Output Avail, Switched Ground, 1.5A Max 
A11 --- PW3 Output Avail, Switched Ground, 1.5A Max 
A12 --- Injector 9 Output Avail, Switched Ground, 1.5A Max 
A13 --- Coil 7 Output Avail, 0/5V falling edge signal 
A14 --- Injector 11 Output Avail, Switched Ground, 1.5A Max 
A15 --- Low Side Driver 11 Output **This pin connects to A16 also** 
A16 Fuel Pump Relay Low Side Driver 11 Output PnP For Fuel Pump 
A17 A/C Clutch Relay Low Side Driver 6 Output PnP For A/C Clutch 
A18 Malfunction Indicator Light Low Side Driver 10 Output PnP For MIL 
A19 Engine Speed Pulse Tach Output (LS7) Output PnP For Tach 
A20 Radiator Fan Control Low Side Driver 8 Output PnP For Rad Fan Control 
A21 K-Line +12V Switched Output Dedicated, filtered 12V power 
A22 --- Coil 8 Output Avail, 0/5V falling edge signal 
A23 Secondary O2 Sensor Lambda #2 Input PnP For Lambda 32 
A24 Starter Switch Signal Cranking Input PnP For Starter Switch 
A25 --- Idle #3 Output Avail, Switched Ground, 1.5A Max 
A26 P/S Pressure Switch Switch 5 Input Avail, Switch must connect to ground 
A27 A/C Switch Signal Switch 6 Input PnP For A/C Request 
A28 --- Idle #2 Output Avail, Switched +12v, 1.5A Max 
A29 Fuel Tank Pressure Sensor MAF Input Avail, 0-5V Input 
A30 Electrical Load Detector EGT #3 Input Avail, jumper set for 0-5V Input 
A31 --- Sensor Ground Output Avail, Sensor Ground 
A32 Brake Switch Signal Switch 1 Input Avail, Switched Input 
 
 
*** Important: Wire View of AEM EMS. Reference diagram below for pin location. *** 
  
						

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Pin # 00-01 Integra / 98-02 Accord / 99-00 Civic AEM EMS 30-6050 I/O Availability 
B1 Power Source 1 +12V Switched Both Dedicated 
B2 Power Ground 1 Power Ground Both Dedicated 
B3 Injector 2 Injector 2 Output PnP For Injector 2 
B4 Injector 3 Injector 3 Output PnP For Injector 3 
B5 Injector 4 Injector 4 Output PnP For Injector 4 
B6 Idle Air Control Valve + PW 1i Output PnP For Idle Control Solenoid 
B7 --- High Side Driver 2 Output Avail, Switched +12v, 1.5A Max 
B8 --- Idle #5 Output Avail, Switched Ground, 1.5A Max 
B9 Power Source 2 +12V Switched Both Dedicated 
B10 Power Ground 2 Power Ground Both Dedicated 
B11 Injector 1 Injector 1 Output PnP For Injector 1 
B12 VTEC solenoid Valve High Side Driver 1 Output PnP For VTEC Solenoid 
B13 Ignition Control Module Coil 1 Output PnP Coil 1, Rising Edge trigger 
B14 --- --- --- Not Used 
B15 Idle Air Control Valve - PW 1 Output PnP For Idle Control Solenoid 
B16 Intake Air Bypass Solenoid Injector 8 Output PnP For IAB Solenoid 
B17 --- Idle #6 Output Avail, Switched +12v, 1.5A Max 
B18 --- Idle #7 Output Avail, Switched Ground, 1.5A Max 
B19 --- Injector 6 Output Avail, Switched Ground, 1.5A Max 
B20 Logic Ground 1 Power Ground Both Dedicated 
B21 Voltage Back Up Permanent +12V Input PnP For Perm Power 
B22 Logic Ground 2 Power Ground Both Dedicated 
B23 Idle Air Control Valve PW 1 Output PnP For Idle Control Motor 
B24 --- Knock 2 Input Available, software knock filter 
B25 --- Idle #8 Output Avail, Switched +12v, 1.5A Max 
 
 
 
 
 
 
 
 
 
 
 
 
*** Important: Wire View of AEM EMS. Reference diagram below for pin location. *** 
  
						

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Pin # 00-01 Integra / 98-02 Accord / 99-00 Civic AEM EMS 30-6050 I/O Availability 
C1 Primary O2 Heater Control Low Side Driver 2 Output Avail, Switched Ground, 1.5A Max 
C2 Alternator Control --- --- Not Used 
C3 Knock Sensor 1 Knock 1 Input PnP For Knock 1 
C4 --- Coil 1 Output **This pin connects to B13 also** 
C5 Alternator FR Signal EGT #4 Input Avail, jumper set for 0-5V Input 
C6 --- ADCR11 Input Available, 0-5V in 
C7 Sensor Ground 1 Sensor Ground Output Dedicated, Sensors only 
C8 CKP + Crank Sensor Input PnP For Crank Sensor 
C9 CKP - Timing Ground Output PnP For Timing Ground 
C10 VTEC Pressure Switch Signal Switch 4 Input PnP For VTEC Oil Press Sw 
C11 --- Injector 10 Output Avail, Switched Ground, 1.5A Max 
C12 --- Coil 2 Output Avail, Coil Output 
C13 --- Coil 3 Output Avail, Coil Output 
C14 --- Coil 4 Output Avail, Coil Output 
C15 --- Lambda 2 Input Avail, 0-5v Lambda 2 input 
C16 Primary O2 Sensor Lambda 1 Input Avail, 0-5v Lambda 1 input 
C17 MAP Sensor MAP Input PnP For 0-5v MAP Sensor 
C18 Sensor Ground 2 Sensor Ground Output Dedicated, Sensors only 
C19 Sensor Voltage 1 +5V Sensor Output Dedicated, Sensors only 
C20 TDC + T4 (Spare Speed) Input Avail, Speed Input 
C21 TDC - Timing Ground Output Avail, Speed Ground 
C22 Crank Fluctuation Sensor Knock #2 Input Avail, Knock Sensor 
C23 Vehicle Speed Sensor T3 (Vehicle Speed) Input PnP Vehicle Speed Sensor 
C24 --- ADCR13 Input Available, 0-5V in, 100k pull up to 5v 
C25 Intake Air Temp Sensor AIT Input PnP AIT Sensor 
C26 Engine Coolant Temp Sensor Coolant Input PnP ECT Sensor 
C27 Throttle Position Sensor TPS Input PnP TPS Sensor 
C28 Sensor Voltage 2 +5V Sensor Output PnP Sensor Vcc 
C29 CYP + Cam Input Dedicated, Cam Sensor 
C30 CYP - Timing Ground Output Dedicated 
C31 Timing Ground Timing Ground Output Dedicated 
 
 
 
 
 
 
*** Important: Wire View of AEM EMS. Reference diagram below for pin location. ***