XMS4A TECHNICAL MANUAL

Perfect Power Online Manuals.

 

Support for your XMS4A Unit.

CONTENTS


// Introduction

 

// Parts Supplied in the Kit

 

// Why should you read this manual?

 

// Explanation of the XMS4 units available

 

// Technical Details

/ Fuel Injection

/ Ignition

/ Acceleration Enrichment

/ Injector/Engine Priming

/ Trigger Inputs

/ Boost Control

/ Prime (Fuel)

/ Idle Control

/ Setpoint Control

 

// Feature Explanation

/ Launch Control

/ External Supply to Sensors

/ Maps A/B

/ Calibration

/ Fuel Injection Map

/ Ignition Map

/ Compensation Map

/ Boost Control

/ Setpoint

/ Maximum Recordings

/ On-board Logging (Coming Soon)

/ Communication Connection

/ USB Drivers Setup

 

// Computer Requirements

 

// Pin Outs of XMS4A Unit

/ XMS4A Pin-Out Table

 

// Assessing Your Car's Fuel System

/ Is your car ready for fuel injection?

/ How to make your car ready for fuel injection

/ Conclusion

 

// Assessing Your Engine

/ Compatible Trigger Wheel

/ Camshaft Sensor

/ How to Install a Compatible Wheel and Pickup Sensor

/ Which sensors are missing?

/ Injector Resistance

/ Make Sure the Engine has the Basics

/ Conclusion

 

// Where To Fit Your XMS4A

/ Suitable Places

/ Unsuitable Places

/ Conclusion

 

// Where To Fit The Ignition Amplifier?

/ Suitable Places

/ Unsuitable Places

/ Conclusion

 

// Screened Cable

/ What is a screened cable?

/ Why should I use a screened cable?

/ What should you use a screened cable on?

 

// Crank Signals - What do they look like?

/ Positive Edge

/ Negative Edge

/ Magnetic

/ Digital/Hall Effect

 

// Typical Sensors Used and How to Wire Them

/ AMP

/ Engine Temp

/ Air Temp

/ Throttle Position

/ Crank Angle Sensor

/ Camshaft Sensor

/ Conclusion

// Typical Devices Driven by the XMS4A

/ Boost Solenoid

/ Fuel Pump Relay

/ Fan Relay

/ 2 Wire Idle Control Motor

/ Shift Lights

/ Rev Counter

/ Injectors

/ Ignition Amplifiers

 

// Idle Control - In More Detail

/ Two Wire Idle - Software Setup

 

// Dwell Time

/ What is Dwell?

/ Can It Damage Your Coil?

/ Dwell Setup Via Software

 

// Setting Up Parameters

 

// System Definition

 

// Set Points

/ Uses

/ Wiring

/ Setup Via Software

 

// Calibration Of Sensors

/ AMP

/ ENGINE TEMP

/ AIR TEMP

/ THROTTLE POSITION

/ CONCLUSION

 

// RPM

/ Setup and Calibration via Software

/ Limit

/ Conclusion

 

// What To Do Before Trying To Start The Engine

/ Ignition Setup With Timing Marks and Timing Light

/ Ignition Adjustment via Software

 

// Time To Start The Engine

/ First Things To Do When Cranking The Engine

/ First Things To Disable When The Motor Is Running

/ Idle Setup

/ Fuel Setup with AMP

/ Conclusion

 

// Look here If It Doesn't Start

/ Possible Reasons and Common Checks

 

// Tuning You XMS4A For The First Time

/ Options

/ Tools Needed

/ Fuel Tuning

/ Ignition Tuning

 

// Cold Start Map

 

// Acceleration Enrichment

 

// Setting The Boost Control Up

/ Closed Loop

/ Via PWM

 

// Launch Control

/ Uses

/ Setup Via Software

/ Conclusion

 

// Troubleshooting

/ Fuel

/ Pressure

/ Ignition

/ Spark Plugs

/ Coil

/ Two Wire Coil

/ Three Wire Coil

/ Four Wire Coil

/ Trigger Wheel

/ Trigger Sensor

/ Engine Failure, No Compression

 

// Basic XMS4A-2A Wiring Diagram

 

// Basic XMS4A-4A Wiring Diagram