ME442 Wire-In ECU (Non-DBW)

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The ME442 Wire-In ECU is a feature rich and future proof four, six and eight cylinder injection engine management system. Built from the ground up using the latest control strategies means a modern, powerful, VE based ECU, with enhanced feature set including closed loop boost, in-built Wideband Lambda Control, DSP Knock Control, on-board data Logging and VVT control – all in a compact form factor. Massive IO means the ME442 can handle anything thrown at it, and custom tables means any specific algorithms required can be easily derived.

Note this is the non-Drive-by-Wire variant for mechanical throttled engines. You can later update the system to include DBW for a fee should your product needs grow.

Configurable Load/RPM BINS 16×16, 32 bit floating point Tables
Multiple Fuel Tables
Injection Angle
Priming Pulse Settings and Crank Pulse Settings
Cranking Enrichment
After-Start Enrichment and ASE Time Decay
Warm-Up Enrichment
Acceleration Enrichement TPS/MAP based with Coolant Modifier
IAT Correction Table
Idle Trims
16×16 AFR Target Table factored into VE Equation
Speed-Density/Alpha-N with optional Blending
Injector Voltage Offset Table
Overrun Fuel Cut
Closed Loop Narrow-band/Wide-band Lambda control with Bosch LSU4.9 Controller On-Board
Flex-Fuel secondary tables
Ignition Control

16×16 32bit Table
Closed Loop DSP Windowed Knock Control On-board
Battery Voltage Dwell Correction 16×16 Table
Individual Cylinder Trimming
IAT and Coolant Trim
Spark-Scatter Ignition Idle Control
Flex-Fuel Control
Switchable Ignition Tables
Crank/Cam Triggering

VR/Hall/Opto Inputs as required
Auto-scaling, Parametric Noise Rejection
Range of OEM Patterns Supported
Idle Control

PWM based Closed/Open/Manual Diagnostic Modes
4-wire Stepper based idle control
Cranking/Return to idle Settings reference Open-Loop table for wide-control
DBW Idle Control *where DBW is used
AC/Fan Auto-Idle Up Settings
PID Based for Accuracy
Fuel Modifiers
Ignition Spark Scatter
Jacked-Throttle Miss-Bang Idle Mode (Group-N ALS)
Knock Control

DSP Angular Windowed Knock Control
Settable Gains, Offset and Window Duration
Step Retard and Fail-Safe
Boost Control

Closed/Open Loop Boost Control by 16×16 RPM and Throttle table
Boost-by-Gear
Switchable Boost Tables
Over-Boost Protection
Pre-Start Duties
Anti-Lag Group-N
Variable Valve Timing

Fully Closed Loop PWM (Throttle X RPM table)
Dual Cam Support
Locked Angle or Locked Duty testing modes
On/Off Mode with multiple switch points (Honda VTEC)
Supported patterns include MX5 2001-2005 and Ford ST170, Ford Puma 1.7
PID Tuning with Oil Temperature triggering & safeties
Programmable Rest State & Offset compensation
General Purpose Tables

6x General Purpose Tables
Custom Variables and Outputs
Modify Fuel, Ignition, Boost and Idle strategies from the GPTs
3D and 2D tables with ability to “chain” tables together for create complex functions
Communications

Industry Preferred RS232 for ECU mapping/communication (USB Adaptor available)
CAN-Bus on some models
USB on some models
Processing Power

120Mhz 32-bit RISC Processor
Ignition Accuracy to 0.01 degrees, Fuelling to 0.001mS
32-bit maths and tables (Table entries can have 8 decimal places for very high resolution)
ADCs/Analogue data reported to 16-bit accuracy
20,000+ RPM
Analogue/Digital Inputs

Configurable “HRT”‘s for every analogue channel – use any sensor. Basemaps pre-set for factory sensors.
Wide-band O2 LSU4.9 Controller Built In
TPS, IAT, CLT, MAP, Lambda standard inputs
Selectable feature for digital/analogue inputs
Spare/unused analogue lines can be used for general purpose tables or digital switches
Environmental & Physical

Automotive -20 – 85*C
Voltage 5.5-28V
Operating Current Approx 120mA @ 13v
Electrically isolated and protected inputs/outputs
90 Way Automotive Connector
IP67 Sealed Alloy Casing
DataLogging

4Gb On-board Data logging – over 2,000 Hours of all variables
Unlimited PC based logging via MEITE
User settable Triggers and markers

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