Perfect Power XMS4A - Page 4

LETRIPP II XMS4A DIY MANUAL V2.1 www.perfectpower.com iii
PERFECT POWER XMS4A – Engine Management System DIY MANUAL V2.1
25.5 CONCLUSION...............................................................................................43
26. LOOK HERE IF IT DOESN’T START......................................................................43
26.1 POSSIBLE REASONS AND COMMON CHECKS ....................................................43
27. TUNING YOUR XMS4A FOR THE FIRST TIME.........................................................44
27.1 OPTIONS.....................................................................................................44
27.2 TOOLS NEEDED............................................................................................44
27.3 FUEL TUNING...............................................................................................44
 CO MEASUREMENTS.........................................................................................44
 4 GAS ANALYSER.............................................................................................45
27.4 IGNITION TUNING ........................................................................................47
28. COLD START MAP.............................................................................................48
29. ACCELERATION ENRICHMENT............................................................................49
30. SETTING THE BOOST CONTROL UP.....................................................................49
30.1 CLOSED LOOP..............................................................................................49
30.2 VIA PWM .....................................................................................................50
31. LAUNCH CONTROL ...........................................................................................50
31.1 USES ..........................................................................................................50
31.2 SETUP VIA SOFTWARE ..................................................................................51
31.3 CONCLUSION...............................................................................................51
32. TROUBLESHOOTING.........................................................................................51
32.1 FUEL...........................................................................................................51
32.2 PRESSURE...................................................................................................51
32.3 IGNITION ....................................................................................................51
32.4 SPARK PLUGS ..............................................................................................52
32.5 COIL...........................................................................................................52
32.6 TWO WIRE COIL...........................................................................................52
32.7 THREE WIRE COIL ........................................................................................52
32.8 FOUR WIRE COIL:.........................................................................................53
32.9 TRIGGER WHEEL ..........................................................................................53
32.10 TRIGGER SENSOR .....................................................................................53
32.11 ENGINE FAILURE, NO COMPRESSION...........................................................54
33. BASIC XMS4A-2A WIRING DIAGRAM...................................................................55
34. BASIC XMS4A-4A WIRING DIAGRAM...................................................................56
Table of Figures: Page no:
FIGURE 1. FUEL SYSTEM LAYOUT.................................................................................10
FIGURE 2. ENLARGED VIEW OF SURGE TANK.................................................................11
FIGURE 3. CRANK PULLEY...........................................................................................12
FIGURE 4. 60 – 2 TOOTH WHEEL SETUP........................................................................13
FIGURE 5. TYPICAL “UNDER THE DASHBOARD” INSTALLATION ........................................14
FIGURE 6. 4 WIRE PLUS SCREEN FOIL..........................................................................17
FIGURE 7. WIRING OF PERFECT POWER AMP SENSOR ....................................................19
FIGURE 8. WIRING OF PERFECT POWER ENGINE TEMP SENSOR .......................................20
FIGURE 9. WIRING OF PERFECT POWER AIR TEMP SENSOR.............................................20
FIGURE 10. WIRING OF THROTTLE POSITION SENSOR ...................................................21
FIGURE 11. WIRING OF MAGNETIC ..............................................................................21
FIGURE 12. WIRING OF HALL EFFECT...........................................................................22