User Manuals: MegaSquirt MS3-PRO Management System

User Manuals: MegaSquirt MS3-PRO Management System

Manuals and User Guides for MegaSquirt MS3-PRO Management System. We have 1 MegaSquirt MS3-PRO Management System manual available for free PDF download: User Manual

MegaSquirt MS3-PRO User Manual

MegaSquirt MS3-PRO User Manual (280 pages)

stand alone engine management system

Brand: MegaSquirt | Category: Automobile Accessories | Size: 12.6 MB

Table of Contents

Table of Contents
2
1 Introduction

11
- Overview
  11
  - Warning Labels
    11
  - Technical Support
    12
  - Copyrights
    12
- MS3-Pro Components
  12
  - MS3-Pro Engine Control Unit
    12
  - Wiring Harness
    12
  - Tuning Cables
    12
- MS3-Pro Accessories
  13
  - Sensors
    13
  - Quadspark
    13
  - Ignition Coils
    13
  - CAN-EGT Thermocouple Interface
    13
  - Microsquirt
    13
  - Part Numbers
    14
- Tools
  14
2 Installing Software

15
- Tunerstudio
  15
  - Start Screen
    15
  - Creating a Project
    16
  - Tunerstudio Main Screen
    19
3 MS3-Pro Hardware

21
- Overview
  21
- Inputs
  23
  - Engine Speed
    23
  - Temperature Inputs
    23
  - Throttle Position
    23
  - O2 Sensor Input
    23
  - MAP Sensor Input
    23
  - General Purpose Analog Inputs
    23
  - Knock Input
    24
  - Digital I/O Channels
    24
- Outputs
  24
  - Injector Outputs
    24
  - Ignition Outputs
    24
  - High Current Outputs
    24
  - PWM Medium Current Outputs
    25
  - Tach Output
    25
  - Stepper Motor Control Output
    25
- Communications Lines
  25
  - Rs232
    25
  - Usb
    25
  - Canbus
    25
  - Maintenance Inside the Case
    26
  - Changing the Fuses
    26
  - Replacing the SD Card
    26
  - Changing the Real Time Clock Battery
    26
  - Improving the Waterprooﬁng
    27
4 Wiring

28
- ECU Pinout
  28
- Wiring Diagram
  31
- Engine Position Sensors
  35
- Other Sensors
  36
  - Temperature Sensors
    36
  - MAP Sensors
    37
  - Throttle Position Sensor
    37
  - Mass Air Flow Sensors
    38
    
    Ford 5 Pin Rectangular Connector MAF
    39
    
    Ford 5.0 Mustang 4 Pin Oval Connector MAF
    39
    
    Nissan / Inﬁniti Q45 MAF
    39
  - Oxygen Sensors
    40
  - Knock Sensors
    41
  - Speed and Gear Sensors
    41
  - Generic On/Off Switches
    41
  - Other Sensors
    42
- Fuel Injectors
  42
- Ignition Outputs
  42
- IAC Valves
  46
  - Stepper IAC Valves
    46
  - PWM IAC Valves
    48
  - On/Off IAC Valves
    49
  - Thermal IAC Valves
    49
  - DC Servo IAC Valves (Currently Not Supported)
    49
- Fuel Pump Relay
  49
- Tach Output
  49
- High Current Outputs
  49
- PWM Medium Current Outputs
  49
- Grounding Notes
  50
5 Setting up a Basic Conﬁguration

51
6 Tuning the MS3-Pro

99
- Getting Started
  99
  - Using Output Test Mode
    99
    
    Injector Test Mode
    99
    
    Coil Test Mode
    100
    
    Idle Valve Testing
    100
    
    Testing a Stepper IAC Valve
    101
    
    Testing a PWM IAC Valve
    102
  - Checking RPM
    102
  - Setting Cranking Timing
    103
  - Starting the Engine
    103
  - Setting Running Timing
    104
- The Basics of 3D Tuning Tables and Load Types
  105
- Tuning Fuel
  107
  - Dead Time
    108
    
    Injector Settings
    108
  - Small Pulse Widths
    109
  - AFR Table
    110
  - VE Table
    111
  - Basic Acceleration Enrichment (AE) Tuning
    112
    
    Main Accel Enrich Settings Menu
    112
    
    Accelerator Pump AE
    113
    
    Time Based AE
    114
    
    Getting It Dialed in
    117
    
    MAP Based or TPS Based AE
    117
    
    Setting the Tpsdot/Mapdot Threshold Levels
    117
    
    Tuning the Tables
    118
  - Startup / Warmup Fueling
    118
    
    Cranking / Startup Settings
    119
    
    Afterstart (ASE) Percentage
    120
    
    Afterstart (ASE) Taper
    120
    
    Priming Pulse
    120
    
    Putting It All Together
    120
    
    Tuning Spark
    120
    
    Warmup Enrichment
    120
    
    Getting a Good Idle
    121
    
    Correct Fuel
    122
    
    Correct Timing
    122
    
    Correct Airﬂow
    123
7 Additional Items: Beyond Basic Fuel and Ignition Control

124
- Basic / Load Sections
  124
  - General Settings
    124
    
    Barometric Settings
    124
    
    General Sensor Settings
    125
    
    MAP Sensor Settings
    125
    
    Load Parameters
    126
  - Rev Limiter
    126
    
    Coolant Temp Limiter
    127
    
    Hard Rev Limit
    127
    
    Spark Retard
    127
    
    Fuel Cut
    128
    
    Spark Cut
    128
  - Shift Light
    128
  - Tacho Output
    129
  - Fan Control
    129
  - Torque Converter Lockup
    131
  - Barometric Correction
    132
  - MAP Sample Settings
    132
    
    Event Average
    133
    
    Timed Minimum
    133
  - ITB Load Settings
    135
    
    ITB Load VE Table
    135
    
    ITB Load at TPS Switchpoint Curve
    136
    
    ITB Load Calculation in Speed-Density Mode
    136
    
    ITB Load TPS Switch Point Curve
    136
    
    Putting It All Together - Calculating ITB Load
    136
    
    ITB Load Calculation in Alpha-N Mode
    137
    
    Tuning for Idle Air Control
    138
  - MAF Options
    138
    
    More about Frequency Based Mafs
    140
  - MAF Flow Curve
    141
    
    MAF Load
    141
    
    Tuning
    141
    
    Using VE1 as a Trim Table
    142
  - MAF Correction Table (Old)
    142
  - MAF / MAT Correction Table
    142
  - Realtime Display
    143
  - Feature List Shiwing I/O Pins
    144
  - I/O Pins Showing Useage
    144
  - Expansion I/O Pins List / Usage
    144
  - Gauge and Setting Limits
    144
- Fuel Settings
  145
  - Injector Timing Table
    145
  - Secondary Injector Timing Table
    146
  - Staged Injection
    146
  - Tuning Staged Injection
    149
  - Tuning Table-Based Staged Injection
    149
    
    Tuning All Other Staged Injection Modes
    150
  - Fuel Sensor Settings (Flex)
    150
  - AFR / EGO Control
    151
    
    Basic EGO Settings
    151
    
    AFR/EGO Sensor Mapping
    152
    
    EGO Ports
    152
    
    Tuning
    152
    
    PID Algorithm with Narrowband Sensor
    153
    
    PID Algorithm with Wideband Sensor
    153
    
    Simple Algorithm with Narrowband Sensor
    153
    
    Simple Algorithm with Wideband Sensor
    153
  - Narrowband EGO Targets
    154
  - AFR Safety System
    154
  - Cylinder Trim Tables
    155
  - Sequenced Batch Fire
    156
- Ignition Settings
  156
  - Dwell Battery Correction
    156
  - Dwell Vs RPM
    156
  - Dwell Table
    156
  - Cold Advance
    157
  - MAT Based Timing Retard
    157
  - Noise Filtering
    157
    
    Examples
    160
  - Knock Sensor Settings
    161
    
    Knock Sensor Settings
    163
    
    Detection
    164
    
    Knock Input Threshold
    164
    
    Recovery
    164
    
    Retarding
    164
  - Knock Sensor Parameters
    164
  - Knock Window Settings
    165
  - Knock Coolant Scaling
    166
  - Rotary Settings
    166
    
    FC Mode
    167
    
    FD Mode
    167
    
    Rotor
    168
    
    RX8 Mode
    168
    
    Rotor
    169
  - Rotary Split Table
    169
  - Cylinder Trim Tables
    170
- Startup / Idle
  170
  - Cranking / Startup Settings
    171
  - Cranking Taper Curve
    172
  - Priming Pulse 2 through Warmup Enrichment 2
    172
  - Idle Control
    172
    
    On/Off Valve
    173
    
    Stepper Valve Settings
    173
    
    PWM Idle Valve Settings
    174
    
    Closed Loop Idle Settings
    175
    
    Idle Cranking Duty / Steps
    175
    
    Idle Warmup Duty / Steps
    175
    
    Tuning Closed Loop Idle
    178
  - Closed Loop Idle Target Curve
    181
  - Closed Loop Idle Initial Values
    181
  - PWM Idle Voltage Compensation
    182
  - Air Conditioning Idle up
    182
  - Idle Advance Settings
    183
    
    Idle Advance Tuning
    184
    
    Tuning Idle Advance Engagement Settings
    184
    
    Tuning Idle Advance Timing
    185
  - Idle RPM Timing Correction Curve
    185
  - Idle VE Settings
    185
- Accel Enrich
  186
  - TPS WOT Curve
    187
  - Enhanced Acceleration Enrichment
    187
    
    Adheres to Walls Coefﬁcient
    188
    
    EAE Sucked-From-Walls Coefﬁcient
    188
    
    EAE Adhere-To-Walls CLT Correction
    189
    
    EAE Adhere-To-Walls RPM Correction
    189
    
    EAE Sucked-From-Walls RPM Correction
    189
    
    EAE Sucked-From-Walls CLT Correction
    190
    
    Tuning EAE
    190
  - X-Tau Acceleration Enrichment
    191
    
    Puddling Factors
    191
    
    Puddling) Temp Correction Factors
    192
    
    Time Factors
    192
    
    Map
    193
    
    Tau (Time) Temp Corrections
    193
    
    X-Tau Tuning Tips
    193
- Boost / VVT
  193
  - Boost Control Settings
    194
    
    Boost Control Common Settings
    194
    
    Closed Loop SpeciﬁC Settings
    195
    
    Overboost Protection
    196
    
    Other Boost Control Settings
    197
  - Boost Control Duty Table
    197
  - Boost Control Target Table
    198
  - Boost Control Initial Duty Table
    198
  - Boost Delay
    198
  - Boost Control Vs Speed
    199
  - Boost 2 Control Settings
    199
  - Turbo Anti-Lag (ALS)
    200
  - Turbo Anti-Lag Tables
    202
  - ALS Roving Idle Fuel Cut
    203
  - VVT Settings
    203
  - VVT Intake and Exhaust Tables
    206
  - VVT On/Off Table
    206
- Table Choices
  207
  - Example Scenarios
    208
  - Fuel Blending and Switching Types
    208
  - Fuel Settings
    210
  - Single Algorithm, Single Table
    210
  - Single Algorithm with Table Switching
    210
  - Single Algorithm with Table Blending
    211
    
    Single Table
    213
    
    Combined Tables - Secondary Additive Table
    214
    
    Boost Table Switching
    215
  - Table Switch / Dual Fuel
    216
  - Temperature Adjustment
    217
  - Pressure Adjustment
    218
- Advanced Engine
  219
  - Analogue Linear Input
    220
  - Speed Value from a Remote CAN Device
    221
  - Shaft Speed Sensors
    222
  - Generic Sensor Inputs
    224
    
    V, 5V Value
    225
  - Accelerometer Parameters
    226
  - Traction Control Settings
    227
    
    Traction Control Settings
    228
  - Traction Control - Perfect Run VSS
    229
  - Traction Control - External % Slip Input
    230
  - Launch / 2 Step / 3 Step / T-Brake
    231
    
    Variable Launch Settings
    233
    
    Step / Burnout Limiter
    234
    
    Nitrous System
    236
    
    Tuning Considerations
    237
  - Nitrous - Time Based Progressive
    239
  - High Power Time Enrichment
    240
  - Oil Pressure
    241
  - Programmable On/Off Outputs
    242
    
    Port Settings Pane
    243
  - Generic PWM Outputs
    244
- D Tuning Maps
  245
- CAN Bus / Testmodes
  246
  - Digital I/O
    247
  - CAN Broadcasting
    248
  - Check Engine Light
    249
    
    Check Engine Codes
    252
  - Limp Mode
    253
  - Fallback MAP Table
    254
  - Output Test Mode - Inj / Spark
    255
    
    Injectors
    256
  - Output Test Mode - I/O
    257
  - Injector Sequence Testing
    258
  - Inj / Spk Disabling Test Mode
    259
8 Troubleshooting and Data Logging

261
- Data Logging with the SD Card
  262
- Downloading SD Data Logs
  264
  - Data Log Bit Fields
    265
  - CEL Status
    266
  - Status Codes
    267
  - Lost Sync Numbers
    268
  - Using the Diagnostic Logger
    270
  - Trigger Logger
    271
  - Example Logs
    272
- Communication Issues
  274
  - Linux Drivers
    276
    
    Loading or Upgrading Firmware
    277
    
    Linux Firmware Loader
    279

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