Aem Ems Ecu S1 30-1052 Stand Alone Engine Management System Honda S2000 on 2040-parts.com

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Read and understand these instructions BEFORE attempting to install this product.

1) Removing the Stock Engine Control Unit

a) Access the stock Engine Control Unit (ECU). The location of the ECU is behind the

driver 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.

2) Installing and Routing the UEGO Sensor (30-1052U Only)

a) Remove the forward most O2 sensor and replace it with the supplied UEGO

sensor.

b) Connect the sensor and route the wire through the firewall to the EMS being careful

in staying away from heat and the suspension.

3) Installing 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 the PC (not supplied).

c) Install the supplied AEM CD and open the AEMPro software.

d) Turn the ignition “on” but do not attempt to start the engine.

e) Go to: “ECU | Send New Calibration”. Upload the base calibration file (.cal) that

most closely matches the vehicle’s configuration to be tuned. Full details of the test

vehicle used to generate each map can be found in the “Notes” section in the

“Setup” window of the AEMPro software. The base maps can be found in the

Honda folder located in: “My Computer | Local Disk (C:) | Program Files | AEM |

AEMPro | Startup Calibrations”

f) Set the throttle range: Select the “Configure” drop down menu, then “ECU Setup |

Set Throttle Range” and then follow the instructions given on the screen.

g) Verify the ignition timing: Select the “Configure” drop down menu, then “ECU Setup

| Set Ignition”. Use a timing light and compare the physical engine timing to the

parameter “Ignition Timing” displayed. Use the “Advance/Retard” buttons to make

the timing number match.

h) Calibrate the lambda sensor channel: With the ignition “on” and the sensor

unplugged, change the “O2 #1 Gain” (“Setup | Sensors | Oxygen Sensor | Oxygen

Sensor #1 | Options - O2 Sensor #1”) until the “O2 #1 Volts” parameter displays

3.94 Volts (+/- 0.02 Volts). This should yield an “O2 #1 Gain” near 1.28. If using the

non-UEGO 30-1052, the “O2 #1 Gain” should be near 1.0.

i) Set the appropriate UEGO calibration (30-1052U Only): Enter the calibration on

page 8 of this manual into Setup | Sensors | Oxygen Sensors | Oxygen Sensor #1 |

O2 Sensor #1 Cal Table. Note, this is different than that used for the external AEM

UEGO sensor.

4) Ready to begin tuning the vehicle.

a) Note: This calibration needs to be properly tuned and is not recommended for

street use. NEVER TUNE THE VEHICLE WHILE DRIVING.

Product detail: 

Connection Diagram for EMS P/N 30-1052 can be found on your computer after the software has been installed.  Instruction location:

 C:\Program Files (x86)\AEM\AEMPro\Instructions

Description of Plug n Play means the Unit plugs into your existing harness. That's it! You still need to install software on your lap top (AEM Pro-Can be found on AEM website for free) and load a calibration as well as set it up and tune. 

Warning! Do not buy this if you have no experience with standalone engine management systems. A professional should be involved in the install and setup process. 

Unit has been tested and all hardware revisions and modifications are up to date.  Communications are responding correctly. Removing my calibration and loading a base calibration. 

 

Warranty is 30 days with me for defects and faulty hardware only. Damage to unit will have to be returned to me and I will sent out to have repaired to shop for a $150 fee. Please read the connection diagram instructions and verify everything is correct on your side. 

 

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