Comparing Engine Management Systems

We have tried to cover as many systems as possible, and the data here is as supplied by the manufacturer or distributor.

If you manufacture or distribute a management system, please forward the details

A
Apexi PowerFC	Autronic SMC	Autronic SM2
E
EMS Dual Sport
H
Haltec E6K	Haltech E6H/M	Haltech E6S	Haltech E6X
Haltech E11	Hawk EC21
L
Link Plug-In	Link Wire-In
M
Microtech Digi	MoTeC M4 Clubman	MoTeC M4 Pro	MoTeC M48 Clubman
MoTeC M48 Pro	MoTeC M800	Motec M8 Pro
N
Nissan ECCS (JECS)
W
Wolf 3D v3.0

Apexi PowerFC

CPU	NEC 78P334 @ 16MHz
Max Cylinders	6
Fuel Maps	20
Ignition Maps	20
Load Points per Map	20
Total Fuel Points	400
Total Ignition Points	400
Fuel Correction Maps or Factors	Coolant Temp
Ignition Correction Maps or Factors	Coolant Temp
Injector Outputs	6
Ignition Outputs	6
Auxiliary Inputs	0
Auxiliary Outputs	0
O2 Sensor	Yes (OEM)
Closed Loop Operation	Yes
Data Logging	No
Boost Control	Yes (Optional)
Traction/Launch Control	No
Nitrous Management	No
VTEC Control	No
Anti-Lag	No
Flat-Shift	Unknown
PC Programmable	No
Handset Programmable	Yes - Controller not included

Autronic SMC

CPU	Intel 16-bit @ 16MHz
Max Cylinders	16
Fuel Maps	32
Ignition Maps	32
Load Points per Map	16
Total Fuel Points	512
Total Ignition Points	512
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Throttle Pump, Injector Trim
Ignition Correction Maps or Factors	Coolant Temp, Air Temp, Altitude
Injector Outputs	8
Ignition Outputs	4
Auxiliary Inputs	1
Auxiliary Outputs	Max 5 (Depending on number of injectorrs)
O2 Sensor	Yes (Wideband)
Closed Loop Operation	Yes
Data Logging	Yes
Boost Control	Yes
Traction/Launch Control	No
Nitrous Management	No
VTEC Control	Indirect (RPM/Load Operated output)
Anti-Lag	Yes
Flat-Shift	Yes
PC Programmable	Yes - DOS
Handset Programmable	No

Autronic SM2

CPU	Intel 16-bit @ 16MHz
Max Cylinders	16
Fuel Maps	32
Ignition Maps	32
Load Points per Map	16
Total Fuel Points	512
Total Ignition Points	512
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Throttle Pump, Injector Trim
Ignition Correction Maps or Factors	Coolant Temp, Air Temp, Altitude
Injector Outputs	8
Ignition Outputs	4
Auxiliary Inputs	3
Auxiliary Outputs	9
O2 Sensor	Yes
Closed Loop Operation	Yes
Data Logging	Yes
Boost Control	Yes
Traction/Launch Control	Yes
Nitrous Management	Yes
VTEC Control	Indirect (RPM/Load Operated output)
Anti-Lag	Yes
Flat-Shift	Yes
PC Programmable	Yes - DOS
Handset Programmable	No

EMS Dual Sport I

CPU	Motorola 16-bit
Max Cylinders	16
Fuel Maps	26
Ignition Maps	26
Load Points per Map	3 + 16 Curve Modifiers
Total Fuel Points	78 (excluding curve modifiers)
Total Ignition Points	78 (excluding curve modifiers)
Fuel Correction Maps or Factors	Coolant temp, Air temp, Full throttle, Closed throttle, Battery voltage, Throttle pump, Fuel trim, Curve modifier, Barometric pressure, Variable injection resolution, Sync/Async injection resolution, Prediction algorithm
Ignition Correction Maps or Factors	Coolant temp, Barometric presure
Injector Outputs	8
Ignition Outputs	4
Auxiliary Inputs	1
Auxiliary Outputs	4
O2 Sensor	Optional (Wideband)
Closed Loop Operation	No
Data Logging	Yes (To laptop)
Boost Control	Yes
Traction/Launch Control	No
Nitrous Management	Yes
VTEC Control	Yes
Anti-Lag	Yes
Flat-Shift	No
PC Programmable	Yes - Windows
Handset Programmable	Yes - Included

Haltech E6K (Discontinued)

CPU	Motorola 68HC11K4 @ 16MHz
Max Cylinders	12
Fuel Maps	17 or 22
Ignition Maps	17 or 22
Load Points per Map	32
Total Fuel Points	544 or 704
Total Ignition Points	544 or 704
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Injector Phasing, Throttle Pump, Injector Trim, Barometric Pressure
Ignition Correction Maps or Factors	Coolant Temp, Air Temp
Injector Outputs	8
Ignition Outputs	4
Auxiliary Inputs	2
Auxiliary Outputs	6
O2 Sensor	Yes (Wideband)
Closed Loop Operation	Yes
Data Logging	Yes (With connected PC)
Boost Control	Yes
Traction/Launch Control	Yes
Nitrous Management	Yes
VTEC Control	Yes
Anti-Lag	Yes
Flat-Shift	Yes
PC Programmable	Yes - DOS
Handset Programmable	No

Haltech E6H/E6M (Discontinued)

CPU	Motorola 68HC11K4 @ 16MHz
Max Cylinders	12
Fuel Maps	17 or 22
Ignition Maps	17 or 22
Load Points per Map	32
Total Fuel Points	544 or 704
Total Ignition Points	544 or 704
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Injector Phasing, Throttle Pump, Injector Trim, Barometric Pressure
Ignition Correction Maps or Factors	Coolant Temp, Air Temp
Injector Outputs	8
Ignition Outputs	4
Auxiliary Inputs	2
Auxiliary Outputs	2
O2 Sensor	Yes (Wideband)
Closed Loop Operation	Yes
Data Logging	Yes (With connected PC)
Boost Control	Yes
Traction/Launch Control	Yes
Nitrous Management	Yes
VTEC Control	Yes
Anti-Lag	Yes
Flat-Shift	Yes
PC Programmable	Yes - DOS
Handset Programmable	No

Haltech E6S (Discontinued)

CPU	Motorola 68HC11E2 @ 8MHz
Max Cylinders	12
Fuel Maps	17 or 22
Ignition Maps	17 or 22
Load Points per Map	32
Total Fuel Points	544 or 704
Total Ignition Points	544 or 704
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Injector Phasing, Throttle Pump, Injector Trim
Ignition Correction Maps or Factors	Coolant Temp, Air Temp
Injector Outputs	4 or 8
Ignition Outputs	4
Auxiliary Inputs	2
Auxiliary Outputs	2
O2 Sensor	Yes (Wideband)
Closed Loop Operation	Yes
Data Logging	Yes (With connected PC)
Boost Control	Yes
Traction/Launch Control	Yes
Nitrous Management	Yes
VTEC Control	Yes
Anti-Lag	Yes
Flat-Shift	No
PC Programmable	Yes - DOS
Handset Programmable	No

Haltech E6X

CPU	Motorola 68HC11E2 @ Unknown Speed
Max Cylinders	12
Fuel Maps	17 or 22
Ignition Maps	17 or 22
Load Points per Map	32
Total Fuel Points	544 or 704
Total Ignition Points	544 or 704
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Injector Phasing, Throttle Pump, Injector Trim, Barometric Pressure
Ignition Correction Maps or Factors	Coolant Temp, Air Temp, Cranking
Injector Outputs	8
Ignition Outputs	8
Auxiliary Inputs	2
Auxiliary Outputs	2
O2 Sensor	Yes (Wideband)
Closed Loop Operation	Yes
Data Logging	Yes (with connected PC)
Boost Control	Yes
Traction/Launch Control	Yes
Nitrous Management	Yes
VTEC Control	Yes
Anti-Lag	Yes
Flat-Shift	Yes
PC Programmable	Yes - Windows
Handset Programmable	No

Haltech E11v2

CPU	Motorola 32-bit @ Unknown Speed
Max Cylinders	12
Fuel Maps	32
Ignition Maps	32
Load Points per Map	32
Total Fuel Points	1024
Total Ignition Points	1024
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Injector Phasing, Throttle Pump, Injector Trim
Ignition Correction Maps or Factors	Coolant Temp, Air Temp, Cranking
Injector Outputs	12
Ignition Outputs	1 (Requires Haltech Ignition Module)
Auxiliary Inputs	9
Auxiliary Outputs	2
O2 Sensor	Yes (Wideband)
Closed Loop Operation	Yes
Data Logging	Yes (onboard)
Boost Control	Yes
Traction/Launch Control	Yes
Nitrous Management	Yes
VTEC Control	Yes
Anti-Lag	Yes
Flat-Shift	Yes
PC Programmable	Yes - Windows
Handset Programmable	No

Hawk EC21

CPU	Unknown @8MHz
Max Cylinders
Fuel Maps	128
Ignition Maps	128
Load Points per Map	16
Total Fuel Points	2048
Total Ignition Points	2048
Fuel Correction Maps or Factors	Air Temp, Coolant Temp
Ignition Correction Maps or Factors	Coolant Temp, Air Temp
Injector Outputs	2
Ignition Outputs	4
Auxiliary Inputs	0
Auxiliary Outputs	2
O2 Sensor	Yes
Closed Loop Operation	Unknown (probably yes)
Data Logging	No
Boost Control	No
Traction/Launch Control	No
Nitrous Management	No
VTEC Control	No
Anti-Lag	No
Flat-Shift	No
PC Programmable	Yes - DOS
Handset Programmable	No

Link Plug-In

CPU	Unknown
Max Cylinders	6
Fuel Maps	8
Ignition Maps	8
Load Points per Map	16
Total Fuel Points	128
Total Ignition Points	128
Fuel Correction Maps or Factors	Coolant Temp
Ignition Correction Maps or Factors	Coolant Temp
Injector Outputs	6
Ignition Outputs	4
Auxiliary Inputs	0
Auxiliary Outputs	0
O2 Sensor	Yes (OEM)
Closed Loop Operation	Yes
Data Logging	Optional
Boost Control	Yes
Traction/Launch Control	No
Nitrous Management	No
VTEC Control	No
Anti-Lag	No
Flat-Shift	No
PC Programmable	Minimal - Download Maps via comms program
Handset Programmable	Yes - Optional

Link Wire-In

CPU	Unknown
Max Cylinders	12
Fuel Maps	8
Ignition Maps	8
Load Points per Map	16
Total Fuel Points	128
Total Ignition Points	128
Fuel Correction Maps or Factors	Coolant Temp
Ignition Correction Maps or Factors	Coolant Temp
Injector Outputs	8
Ignition Outputs	4
Auxiliary Inputs	2
Auxiliary Outputs	4
O2 Sensor	Yes (Wideband)
Closed Loop Operation	Yes
Data Logging	Optional
Boost Control	Yes
Traction/Launch Control	No
Nitrous Management	No
VTEC Control	Yes
Anti-Lag	No
Flat-Shift	No
PC Programmable	Minimal - Download Maps via comms program
Handset Programmable	Yes - Optional

MoTeC M4 Clubman

CPU	Motorola 32-bit @ 33MHz
Max Cylinders	12
Fuel Maps	40
Ignition Maps	40
Load Points per Map	21
Total Fuel Points	840
Total Ignition Points	840
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Throttle Pump, Injector Trim
Ignition Correction Maps or Factors	Coolant Temp, Air Temp
Injector Outputs	4
Ignition Outputs	4
Auxiliary Inputs	2
Auxiliary Outputs	Max 3 (Depending on Number of Cylinders)
O2 Sensor	Yes (Narrow Band)
Closed Loop Operation	Yes
Data Logging	Optional
Boost Control	Yes
Traction/Launch Control	Optional
Nitrous Management	Yes
VTEC Control	Indirect (RPM Operated output)
Anti-Lag	No
Flat-Shift	No
PC Programmable	Yes - DOS
Handset Programmable	No

MoTeC M4 Pro

CPU	Motorola 32-bit @ 33MHz
Max Cylinders	12
Fuel Maps	40
Ignition Maps	40
Load Points per Map	21
Total Fuel Points	840
Total Ignition Points	840
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Throttle Pump, Injector Trim
Ignition Correction Maps or Factors	Coolant Temp, Air Temp
Injector Outputs	4
Ignition Outputs	4
Auxiliary Inputs	2
Auxiliary Outputs	Max 3 (Depending on Number of Cylinders)
O2 Sensor	Yes (Wideband)
Closed Loop Operation	Yes
Data Logging	Yes
Boost Control	Yes
Traction/Launch Control	Optional
Nitrous Management	Yes
VTEC Control	Indirect (RPM Operated output)
Anti-Lag	Yes
Flat-Shift	Yes
PC Programmable	Yes - DOS
Handset Programmable	No

MoTeC M48 Clubman

CPU	Motorola 32-bit @ 33MHz
Max Cylinders	12
Fuel Maps	40
Ignition Maps	40
Load Points per Map	21
Total Fuel Points	840
Total Ignition Points	840
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Throttle Pump, Injector Trim
Ignition Correction Maps or Factors	Coolant Temp, Air Temp
Injector Outputs	8
Ignition Outputs	2
Auxiliary Inputs	2
Auxiliary Outputs	Max 3 (Depending on Number of Cylinders)
O2 Sensor	Yes (Narrow Band)
Closed Loop Operation	Yes
Data Logging	Optional
Boost Control	Yes
Traction/Launch Control	Optional
Nitrous Management	Yes
VTEC Control	Indirect (RPM Operated output)
Anti-Lag	No
Flat-Shift	No
PC Programmable	Yes - DOS
Handset Programmable	No

MoTeC M48 Pro

CPU	Motorola 32-bit @ 33MHz
Max Cylinders	12
Fuel Maps	40
Ignition Maps	40
Load Points per Map	21
Total Fuel Points	840
Total Ignition Points	840
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Throttle Pump, Injector Trim
Ignition Correction Maps or Factors	Coolant Temp, Air Temp
Injector Outputs	8
Ignition Outputs	2
Auxiliary Inputs	2
Auxiliary Outputs	Max 3 (Depending on Number of Cylinders)
O2 Sensor	Yes (Wideband)
Closed Loop Operation	Yes
Data Logging	Yes
Boost Control	Yes
Traction/Launch Control	Optional
Nitrous Management	Yes
VTEC Control	Indirect (RPM Operated output)
Anti-Lag	Yes
Flat-Shift	Yes
PC Programmable	Yes - DOS
Handset Programmable	No

MoTeC M800

CPU	Motorola 32-bit @ 66MHz (not confirmed)
Max Cylinders	12
Fuel Maps	40
Ignition Maps	40
Load Points per Map	21
Total Fuel Points	840
Total Ignition Points	840
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Throttle Pump, Injector Trim
Ignition Correction Maps or Factors	Coolant Temp, Air Temp
Injector Outputs	8 (Unused outputs can be used as general purpose)
Ignition Outputs	6 (Unused outputs can be used as general purpose)
Auxiliary Inputs	4
Auxiliary Outputs	8
Temperature Inputs	6
Voltage Inputs	8
O2 Sensor	Yes (Dual Wideband)
Closed Loop Operation	Yes
Data Logging	Yes
Boost Control	Yes
Traction/Launch Control	Yes
Nitrous Management	Yes
VTEC Control	Indirect (RPM Operated output)
Anti-Lag	Yes
Flat-Shift	Yes
PC Programmable	Yes - DOS
Handset Programmable	No

MoTeC M8 Pro

M8 Has been made obsolete by the M800, but it's still a good reference.

CPU	Motorola 32-bit @ 33MHz
Max Cylinders	12
Fuel Maps	40
Ignition Maps	40
Load Points per Map	21
Total Fuel Points	840
Total Ignition Points	840
Fuel Correction Maps or Factors	Coolant Temp, Air Temp, Full Throttle, Closed Throttle, Battery Volts, Cold Start, Throttle Pump, Injector Trim
Ignition Correction Maps or Factors	Coolant Temp, Air Temp
Injector Outputs	4
Ignition Outputs	4
Auxiliary Inputs	2
Auxiliary Outputs	Max 3 (Depending on Number of Cylinders)
O2 Sensor	Yes (Wideband)
Closed Loop Operation	Yes
Data Logging	Yes
Boost Control	Yes
Traction/Launch Control	Yes
Nitrous Management	Yes
VTEC Control	Indirect (RPM Operated output)
Anti-Lag	Yes
Flat-Shift	Yes
PC Programmable	Yes - DOS
Handset Programmable	No

Nissan ECCS (JECS)

CPU	Motorola 16-bit
Max Cylinders	6
Fuel Maps	16 Low-Octane, 16 High-Octane
Ignition Maps	16 Low-Octane, 16 High-Octane
Load Points per Map	16
Total Fuel Points	256 Low-Octane, 256 High-Octane
Total Ignition Points	256 Low-Octane, 256 High-Octane
Fuel Correction Maps or Factors	Water Temp, Throttle Off, Acceleration
Ignition Correction Maps or Factors	Water Temp
Injector Outputs	6
Ignition Outputs	6
Auxiliary Inputs	0
Auxiliary Outputs	0
O2 Sensor	Yes (Narrow band)
Closed Loop Operation	Yes
Data Logging	Limited (Fault Codes and Self-Learn)
Boost Control	Yes
Traction/Launch Control	No
Nitrous Management	No
VTEC Control	NICS
Anti-Lag	No
Flat-Shift	No
PC Programmable	No
Handset Programmable	Limited - Dealer/OEM CONSULT tool

Wolf 3D v3.0

CPU	Unknown
Max Cylinders	12
Fuel Maps	16
Ignition Maps	16
Load Points per Map	8
Total Fuel Points	128
Total Ignition Points	128
Fuel Correction Maps or Factors	Coolant Temp, Acceleration
Ignition Correction Maps or Factors	Coolant Temp, Acceleration
Injector Outputs	4
Ignition Outputs	4
Auxiliary Inputs	Unknown
Auxiliary Outputs	2
O2 Sensor	Yes (Narrow Band)
Closed Loop Operation	No
Data Logging	Optional
Boost Control	Yes
Traction/Launch Control	No
Nitrous Management	No
VTEC Control	No
Anti-Lag	No
Flat-Shift	No
PC Programmable	Yes (Windows)
Handset Programmable	Yes - Included

Copyright, � 1997 - 2011 Christopher F. Moran.
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