ECUMaster EMU Black is a 63-pin wire-in ECUMaster ECU on 2 connectors: black (39 pins) and grey (24 pins).
It has 8 injector outputs and 6 ignition outputs. The injector drivers are saturated, which means high-impedance injectors. Low-impedance ones need a ballast resistor pack or a different ECU. Every ignition output can fire a smart coil or a dumb coil directly.
There are 3 dedicated trigger inputs, each happy with a VR or a Hall sensor. Two knock inputs cover both banks of a V engine. It has an onboard wideband controller, so a sensor wires straight in. The MAP sensor is built in.
Drive-by-wire is native: 1 throttle from its own H-bridge outputs. One CAN bus handles dashes, PDMs and expansion.
Spec sheet
| Connectors | black (39), grey (24)63 pins in this profile |
|---|---|
| Injector outputs | 8saturated (high-impedance only) |
| Ignition outputs | 6smart or dumb coils, selectable |
| Dedicated trigger inputs | 3VR or Hall |
| Knock inputs | 2 |
| Onboard wideband controllers | 1 |
| Onboard MAP sensor | Yes |
| CAN buses | 1 |
| Drive-by-wire | Yes, 1 throttle |
| High-side outputs | 0 |
| Half-bridge outputs | 4H-bridge pairs for a throttle motor or stepper |
| 5V sensor supply | 2 pins |
| Thermocouple (EGT) inputs | 2 |
Worth knowing
- 6 injector outputs plus 2 auxiliary outputs usable as injectors 7 and 8 (high-impedance only).
Which builds it suits
Of the 58 swap presets in the planner, 25 fit as they are and 11 fit with add-ons; 22 do not fit at all. The add-on it asks for most often is the ECUMaster Lambda-to-CAN. Where it falls short, it is usually not enough ignition outputs. The planner fills anything a preset leaves open with its ordinary defaults, so your own build may land differently.
It runs the Toyota 2JZ-GE VVT-i (coil pack), Nissan RB25DET non-Neo S2 (R33, smart coils) and Honda K20 (i-VTEC 2.0 NA) presets with nothing added. The Nissan VQ35HR (High-Rev, 2007+) needs ECUMaster Lambda-to-CAN. The Subaru EJ/FA FA20DIT (WRX turbo 2015+) needs ECUMaster ADU (Advanced Display Unit) and a direct-injection driver module. It can't run the GM LS LY6/L96 (Gen4 6.0 iron): not enough ignition outputs. It can't run the Ford Modular 4.6 4V Cobra (NA, cable): not enough ignition outputs.
Fits as it is 25
- Toyota 1JZ-GE distributor (NA, early)
- Toyota 1JZ-GE VVT-i (coil pack)
- Toyota 1JZ-GTE non-VVTi
- Toyota 1JZ-GTE VVTi
- Toyota 2JZ-GE distributor (NA, early)
- Toyota 2JZ-GE VVT-i (coil pack)
- Toyota 2JZ-GTE non-VVTi
- Toyota 2JZ-GTE VVTi
- Ford Barra 4.0 NA (182/190/195)
- Ford Barra 4.0 Turbo (240T/245T/270T/310T/325T)
- Nissan RB20DET
- Nissan RB25DET non-Neo S1 (R33, dumb coils)
- Nissan RB25DET non-Neo S2 (R33, smart coils)
- Nissan RB25DET Neo (R34)
- Nissan RB26DETT (R32/R33, dumb coils)
- Nissan RB26DETT (R34, smart coils)
- Nissan SR20DET (S13)
- Nissan SR20DET (S14)
- Nissan SR20DET (S15)
- Honda K20 (i-VTEC 2.0 NA)
- Honda K24 (i-VTEC 2.4 NA)
- Mazda Rotary 13B-REW (FD RX-7)
- Mazda Rotary 13B-MSP Renesis (RX-8 manual, 6-injector)
- Mazda Rotary 13B-MSP Renesis (RX-8 auto, 4-injector)
- Mazda Rotary 20B (Eunos Cosmo 3-rotor)
Fits with add-ons 11
- Nissan VR38DETT (R35 GT-R) with ECUMaster Lambda-to-CAN
- Nissan VQ35DE (base, 2003-04) with ECUMaster Lambda-to-CAN
- Nissan VQ35DE Rev-Up (2005-06) with ECUMaster Lambda-to-CAN
- Nissan VQ35HR (High-Rev, 2007+) with ECUMaster Lambda-to-CAN
- Subaru EJ/FA EJ20 turbo single-AVCS (EJ207 v7-9) with ECUMaster Lambda-to-CAN
- Subaru EJ/FA EJ20 turbo dual-AVCS (EJ207 GRB 2008+) with ECUMaster ADU (Advanced Display Unit), ECUMaster Lambda-to-CAN
- Subaru EJ/FA EJ25 turbo single-AVCS (EJ257 2004-07) with ECUMaster Lambda-to-CAN
- Subaru EJ/FA EJ25 turbo dual-AVCS (EJ257 2008+) with ECUMaster ADU (Advanced Display Unit), ECUMaster Lambda-to-CAN
- Subaru EJ/FA FA20D (BRZ/86 NA) with ECUMaster Lambda-to-CAN
- Subaru EJ/FA FA20DIT (WRX turbo 2015+) with ECUMaster ADU (Advanced Display Unit), a direct-injection driver module, ECUMaster Lambda-to-CAN
- BMW N54 (3.0 twin-turbo I6) with a direct-injection driver module
Does not fit 22
- GM LS1 (Gen3 5.7 alum) not enough ignition outputs
- GM LS6 (Gen3 5.7 alum) not enough ignition outputs
- GM LS LQ4/LQ9 (Gen3 6.0 iron) not enough ignition outputs
- GM LS2 (Gen4 6.0 alum) not enough ignition outputs
- GM LS3 (Gen4 6.2 alum, car) not enough ignition outputs
- GM LS L76 (Gen4 6.0 alum) not enough ignition outputs
- GM LS L92 (Gen4 6.2 alum) not enough ignition outputs
- GM LS LY6/L96 (Gen4 6.0 iron) not enough ignition outputs
- GM LSA (Gen4 6.2 alum, S/C) not enough ignition outputs
- GM LT1 (Gen5 6.2 alum) not enough ignition outputs
- GM LT4 (Gen5 6.2 alum, S/C) not enough ignition outputs
- Ford Coyote 5.0 Gen1 (2011-14) not enough ignition outputs
- Ford Coyote 5.0 Gen2 (2015-17) not enough ignition outputs
- Ford Coyote 5.0 Gen3 (2018-23) not enough ignition outputs
- Ford Modular 4.6 2V (SOHC) not enough ignition outputs
- Ford Modular 4.6 4V Cobra (NA, cable) not enough ignition outputs
- Ford Modular 4.6 4V Terminator (S/C, cable) not enough ignition outputs
- Ford Modular 5.4 4V Ford GT (S/C, cable) not enough ignition outputs
- Ford Modular 5.4 4V GT500 (S/C, DBW) not enough ignition outputs
- Ford Coyote Voodoo 5.2 (GT350, flat-plane) not enough ignition outputs
- Ford Coyote Predator 5.2 (GT500, cross-plane, S/C) not enough ignition outputs
- BMW S54 (3.2 NA I6, E46 M3) not enough knock inputs
Plan a build around the ECUMaster EMU Black
Pin table
By connector: black carries 2 ignition outputs, 3 trigger inputs and 2 knock inputs; grey carries 8 injector outputs, 4 ignition outputs and 4 H-bridge outputs.
Show all 63 pins
| Pin | Function |
|---|---|
| black 1 | Ignition Coil #5 |
| black 2 | EGT input #1 |
| black 3 | Knock sensor input #1 |
| black 4 | Analog input #2 |
| black 5 | Coolant temp (CLT) input |
| black 6 | Wideband Vs (LSU controller) |
| black 7 | Cam/home trigger input #2 |
| black 8 | Primary (crank) trigger input |
| black 9 | Flex-fuel input |
| black 10 | Switch input #1 |
| black 11 | RS232 TXD |
| black 12 | CAN High |
| black 13 | Battery +12V (constant) |
| black 14 | Ignition Coil #4 |
| black 15 | EGT input #2 |
| black 16 | Knock sensor input #2 |
| black 17 | Analog input #3 |
| black 18 | Throttle position (TPS) input |
| black 19 | Wideband Ip (LSU pump current) |
| black 20 | Vehicle speed (VSS) input |
| black 21 | Cam/home trigger input #1 |
| black 22 | Wideband Rcal (LSU calibration) |
| black 23 | Switch input #2 |
| black 24 | RS232 RXD |
| black 25 | CAN Low |
| black 26 | +5V sensor supply |
| black 27 | Power ground |
| black 28 | ECU ground |
| black 29 | Sensor ground |
| black 30 | Analog input #4 |
| black 31 | Analog input #1 |
| black 32 | Intake air temp (IAT) input |
| black 33 | Wideband VGND (LSU virtual ground) |
| black 34 | +5V sensor supply |
| black 35 | Analog input #5 |
| black 36 | Switch input #3 |
| black 37 | Analog input #6 |
| black 38 | Sensor ground |
| black 39 | Sensor ground |
| grey 1 | Ignition Coil #6 |
| grey 2 | H-Bridge #1 winding A |
| grey 3 | H-Bridge #2 winding A |
| grey 4 | Aux output #6 (low-side) |
| grey 5 | Aux output #3 (low-side) |
| grey 6 | Injector #4 |
| grey 7 | Injector #1 |
| grey 8 | Ignition Coil #1 |
| grey 9 | Ignition Coil #3 |
| grey 10 | H-Bridge #1 winding B |
| grey 11 | H-Bridge #2 winding B |
| grey 12 | Aux output #5 (low-side) |
| grey 13 | Aux output #2 / Injector #8 |
| grey 14 | Injector #5 |
| grey 15 | Injector #2 |
| grey 16 | Ignition Coil #2 |
| grey 17 | Power ground |
| grey 18 | Ignition +12V (switched feed) |
| grey 19 | Wideband heater (LSU) |
| grey 20 | Aux output #4 / Tacho |
| grey 21 | Aux output #1 / Injector #7 |
| grey 22 | Injector #6 |
| grey 23 | Injector #3 |
| grey 24 | Power ground |
Other ECUMaster ECUs
The closest ECUMaster unit is the ECUMaster EMU Classic. Against it, this one has 8 injector outputs (the EMU Classic has 6), 1 CAN bus (the EMU Classic has 0), 63 pins (the EMU Classic has 48) and 1 drive-by-wire channel (the EMU Classic has none).
Source: ECUMaster documentation for the EMU Black
Always verify against the manufacturer's manual and your tuner before wiring.