ECU Master - EMU Classic ECU
ECU Master - EMU Classic ECU
ECU Master - EMU Classic ECU
ECU Master - EMU Classic ECU
ECU Master - EMU Classic ECU
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ECU Master - EMU Classic ECU

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The new and improved version of ECU Masters hugely popular EMU Classic.

With an improved design and form factor but retaining the original EMU Classic price point, ECU Master have hit the ball out of the park with this one!

The main improvements are as follows:

  • Improved ignition outputs allowing more than one active coil on one output
  • Separate +5V output regulator for external sensors
  • Highly protected H-Bridges (stepper outputs)
  • Galvanic separated USB port
  • Black anodized enclosure measuring just 147x62x30 mm which is 67% smaller than the previous unit!

The EMU Classic controls fueling, ignition and auxiliary processes on a multitude of engines including drive-by-wire and variable valve timing.

ECU Masters adaptable firmware allows even the most awkward crank trigger patterns to be utilized, giving you the ability to install your EMU Classic knowing that even in the future when new trigger patterns are released your ECU will adapt and will not need to be upgraded. The ECU Master EMU Classic can drive up to 12 smart coils (6 passive) directly and has no need for external amplifier/power modules of any kind.

Hyper advanced drive-by-wire strategies provide huge ranges of throttle control alongside detailed fault/error checking. The EMU features the best "bang for your buck" of all stand-alone ECU options. Easily matching all available functions of any stand-alone management systems with various inputs, outputs & options. Unlike other stand-alone systems, EMU Classic has a built in wideband input using a Bosch LSU 4.2 sensor wired directly to the EMU Classic, MAP control connection utilizing the on board 4 bar MAP sensor, Along with not one but two EGT probe inputs!! As well as an input that enables you to directly connecting a Flex Fuel ethanol content sensor.


This neat little package allows for greater flexibility while reducing costs and removes the need for external/additional control systems saving you time and money on your ECU purchase and the associated wiring that other stand-alone ECUs require.


The EMU Classic will allow map switching, launch control, adaptive Lambda control, flex fuel and wheel slip control along with many other controllable options available!




Enclosure protection  IP 60
Temperature range AECQ100 GRADE3 (-40 to +85C)
Reverse battery protection Yes, internal
Operating voltage 6-20V, immunity to transients according to ISO 7637
Operating current (ECU) < 0.5A
Size (mm) 155x120x45
Weight (g) 500
Connectors 2 x 24 FCI Automotive connector
Communication USB (with PC client software), serial or CAN


Injector outputs 6 protected outputs 5A, low side
Ignition outputs 6 outputs 7A(15A peak) (passive&active coils supported)
Aux outputs 6 protected outputs 5A, low side
Stepper outputs Full bridge up to 0.8A, can be used as separate outputs
WBO heater Protected low side up to 5A
+5V 1
CAN BUS Yes, with additional module
Serial Yes


Analog inputs 7, 10Bits, 0-5V, 4 additional analog inputs with CAN module
EGT inputs 2 for K-Type thermocouple
Knock sensor 2
Oxygen sensor LSU 4.2 or Narrow band
Trigger inputs 3 (primary, 2 cams) Hall / VR software selectable
VSS 1 (Hall / VR)
Flex Fuel Using CAM#2  or VSS


Temperature sensors IAT, CLT, Oil temperature (user defined characteristic), AC evap temperature
Pressure sensor MAP, Oil pressure, Fuel pressure (user defined characteristic), AC pressure sensor
Oxygen sensor LSU 4.2 (built in controller), Narrow band, external WBO controllers
Speed Vehicle speed sensor (VR/HALL), Gear sensor (sensor, calculated)


Injectors Up to 6 Hi Z injectors (sequential)
Battery compensation User defined, wizard for popular injectors
Fueling strategies VE based speed density, Alpha N
Air charge temp. Based on IAT and CLT
VE table 2 tables 16×20 (Load x RPM), resolution of 0.1%
Individual cylinder trim Yes
Staged injection Yes
Additional correction EGT correction (per cylinder), BARO, TPS vs MAP, TPS vs RPM, Warmup, Nitrous, LC, ALS, ASE, Fuel pressure, Knock sensor
Lambda based real time correction Using Lambda/AFR target table
Acc. / Deceleration enrichment Yes


Ignition outputs 6 for passive and active coils (software selectable)
Supported triggers N-1, N-2, N-3, N+1, Multitooth, Subaru triggers, Nissan trigger, Lotus Elise, Audi trigger, Renault Clio Wiliams / Alpine, Colt 1.5CZ
Ignition angle table 2 tables 16×20 (Load x RPM), resolution of 0.5 Deg
Per cylinder trim Yes
Dwell time battery compensation Used defined,  wizard for popular coils
Odd fire compatibility Application dependent
Additional correction CLT, IAT, TPS vs MAP, Nitrous,  Idle, Knock sensor, LC, Pit limiter, ALS, Flat shift, Timers, Acc. enrichment


Channels 2
Resonant frequency range 1-20kHz, 3rd order AAF
Sampling Ignition event driven, knock window
Actions Ignition retard, fuel enrichment, dashboard indication


Control type PWM solenoids (2,3 wires), drive by wire, stepper motors (bi and unipolar),  ignition cut, fuel cut
Control strategy Open / Close loop , ignition angle control
VE correction Yes, for Alpha-N
Corrections AC clutch, coolant fan, analog input


Boost ref  and target tables 2 sets 16×20 (TPS vs RPM)
Control strategies Open / Closed loop (PID based)
Corrections Gear, VSS, IAT, EGT


Control strategy Advanced 3D PID + static friction compensation
Supported throttles All with DC motor and current requirement lower than 6A Wizard for 28 popular electronic throttles
PPS to throttle position characteristic 3D table
BLIP support Yes
ALS support Yes


TC strategy Delta RPM, gear compensation
Torque reduction Spark cut using 3D table (16×20)
Sensitivity control 10 position rotary switch


Supported systems VVTi, MiVec, VANOS, Double Vanos
Number of camshafts 2
Control strategy PID based closed loop, CAM angle target tables 12×12


Ethanol content measurement Yes
Fuel temperature measurement Yes
Tables blending VE, IGN, Lambda/AFR, Boost, Cranking fuel, ASE, Warmup
Fuel temperature PW correction Yes


ALS 2 independent ALS setting, DBW support
Shift light Per gear shift light
Launch control Yes
Gear cut Yes (Open loop), DBW blip supported Source: Switch, load cell, CAN
Pit limiter Yes
Rolling anti lag Yes


Fail safe values for critical sensors Yes
Dashboard indication of failures Yes, user defined
Over temperature engine protection Yes, user defined, RPM limit
Low oil pressure protection Yes, user defined, shut off
Fuel pressure protection Yes, fuel dose compensation, RPM limit, engine shut off
High exhaust temperature Alarm, per cylinder fuel trim, boost limit


CAN standard 2.0A 125, 250, 500, 1000 kBps 11, 29 bits
Supported CAN Dashes3 ECUMASTER, Motec M800 Set 1, Haltech E8 E11v2, Pectel SQ 6, AEM
Supported OEM CAN streams3 BMW E46, Citroen C2, Mazda RX8, Ford ST, Polaris RZR, Mini Cooper R53, Fiat 500, Renault Clio, Lotus, Ford Fiesta, Ford ST


Unused injection outputs can be used as AUX output Yes
Unused ignition outputs can be used as AUX output Only for some functions
Output functions Fuel pump, coolant fan, parametric outputs, nitrous control, PWM 3D table output,  AC clutch, main relay, speedometer, tachometer
Password protection Yes, 2 levels
Timers Fuel, Ignition, Boost, timers controlled by virtual outputs
Serial dashboard support AIM, RaceTechnology
Autotune Yes
Built in trigger scope Yes
Logging Real time logging to PC computer, logging on external loggers (serial / CAN)
1External module required
2External module required
3Supported channels are application dependent