EMS-4 Universal Standalone Engine Management System AEM's EMS-4 Universal Standalone Engine Mangement System is a weather and shockproof standalone EMS for 4 cylinder and smaller engines. The ideal Engine Management solution for Powersports or 4 Cylinder Race Applications. Windows™ compatible software (XP, Vista, Windows7) makes the task of copying, viewing and manipulating data as simple as a click of the mouse. Our new AEMTUNER software is infinitely adjustable software and allows tuners to program virtually any combination of engine control, power adders and auxiliary devices, and accurately delivers proper amounts of fuel and correct ignition timing for any boost level or operating condition. Injector/ Coil Outputs Injector Outputs (8 ohm minimum, High Imepdence Only) 4 Saturated Coil Triggers 0-5V Falling Edge Fire (Do not connect to coil primary) 4 Timing Sensor Inputs VR (Mag) Cam Input 1 VR (Mag) Crank Input 1 Hall VSS Input 1 Hall Crank Input 1 Hall Cam Input 1 Inputs/Outputs GPIO - 1.5A Low Side Output / 0-5V Analog Input / Switch Input 4 GPIO - 1.5A Low Side Output / 0-5V Analog Input / PWM Output 4 O2 Sensor Input 0-5V Analog 1 Knock Sensor Input Programmable 1 Throttle Position Sensor Input 0-5V 1 Manifold Pressure Sensor Input 0-5V 1 Coolant Temperature Sensor Input 0-5V 1 Inlet Air Temperature Sensor Input 0-5V 1 Sensor Ground 1 5 Volt Reference 1 Communication USB comms Yes Communication cables included Yes Fully enabled editing/logging software included Yes CAN bus equipped with Programmable Send / Receive Yes CAN datastream output 32 ch DATA Acquisition Internal data logging 8 MB Maximum internal logging rate (per channel) 125 Hz PC logging Yes Data analysis using AEMLog Yes Functions and Features User adjustable knock sensor center frequency Yes Individual cylinder ignition trims Yes Individual cylinder fuel trims Yes High/Low speed fuel pump support Yes All channels/maps/tuning options unlocked Yes Boost control Yes Groundspeed based boost target Yes Nitrous injection Yes Staged injection Yes Ground speed limiting Yes Rate of Acceleration Control Yes Overrun boost enhancement (anti-lag) Yes Gear change ignition cut (shift-without-lift) Yes Password protected calibrations Yes Fuel & Ignition rev limiters Yes In cockpit global fuel trim capability Yes Gear dependent shift light Yes Evap/Purge function Yes Software definable virtual switch inputs Yes EGT Based fuel trims (additional hardware needed) Yes Maximum boost limit None Physical Dimensions Length 120 mm Width 114 mm Height 35 mm Finish Black AEM EMS-4 Programmable Engine Management System - Legal in California only for racing vehicles which may never be used upon a highway. Part Number: 30-6905
