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  1. #17
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    May 2011
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    Lakes Region, NH
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    I was asked several weeks ago where to find Datamaster for MEFI. I've had this on my laptop for years but I'm not sure if they support it any more.

    Also, here's a list of pinouts that was posted to Monodax years ago.
    MEFI CONTROLLER CONNECTIONS

    MEFI 1

    J1 Connector:
    J1-1 Knock Sensor Input
    J1-2 Coolant Temp. Sensor Input
    J1-3
    J1-4 I/O Fluid Level Switch
    J1-5 Master/Slave (twin engine application)
    J1-6 Oil Pressure Switch
    J1-7 Diagnostic Output (blink light)
    J1-8
    J1-9 MAP Sensor Input
    J1-10 TPS Sensor Input
    J1-11 12V Ignition
    J1-12
    J1-13 Sensor Ground
    J1-14 ECM Ground
    J1-15 5V Sensor Reference
    J1-16 12V Battery
    J1-17
    J1-18 Serial Data
    J1-19 Water Flow Switch
    J1-20 Oil Level Switch
    J1-21 Emergency Stop Switch
    J1-22 Trans Temp / Trim Set
    J1-23
    J1-24 Intake Air Temp. Sensor Input
    J1-25 Trim Sensor Input
    J1-26
    J1-27
    J1-28
    J1-29 Sensor Ground
    J1-30 ECM Ground
    J1-31 5V Sensor Reference
    J1-32 12V Battery

    J2 Connector

    J2-1
    J2-2
    J2-3
    J2-4
    J2-5 Injector Driver
    J2-6 Distributor Reference Low
    J2-7 Port Fuel Jumper
    J2-8 Distributor Reference High
    J2-9 Fuel Pump Relay Driver
    J2-10
    J2-11 Coolant Lamp Output
    J2-12 RPM Reduction Warning Buzzer Output
    J2-13 Idle Air Control Coil A Low
    J2-14 Idle Air Control Coil B High
    J2-15 Fuel Injector Ground
    J2-16
    J2-17
    J2-18
    J2-19
    J2-20 Fuel Injector Ground
    J2-21 Fuel Injector Driver
    J2-22 Port Fuel Jumper
    J2-23 Ignition On Control (Spark Out)
    J2-24 Ignition Bypass (For Timing Set)
    J2-25
    J2-26 I/O Fluid / Water Flow Lamp Output
    J2-27 Oil Pressure Lamp Output
    J2-28 Idle Air Control Coil A High
    J2-29 Idle Air Control Coil B Low
    J2-30 Oil Level Lamp Output
    J2-31 Malfunction Indicator Lamp Output
    J2-32
    Attached Files Attached Files

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