8.3 Data log fields 8 TROUBLESHOOTING AND DATA LOGGING
• Boost psi: Boost in psi, calculated by subtracting the Barometer field from the MAP field.
• Boost Target 1,2: The target boost pressure on boost outputs 1 and 2 (in absolute kPa) for closed-loop
mode.
• CANin1_8: Records on/off inputs from a remote CAN device. See “Data log bit fields” for how to calculate
which outputs are off and on.
128 64 32 16 8 4 2 1
Channel 8
on
Channel 7
on
Channel 6
on
Channel 5
on
Channel 4
on
Channel 3
on
Channel 2
on
Channel 1
on
• CANout1_8, CANout9_16: Records on/off outputs from a remote CAN device. CAN channels work as
above for 1-8. For 9-16, add 8 to the channel number.
• CANpwmin0-3: PWM inputs from a remote CAN device.
• CEL error code: Current error code if the check engine light is triggered. See section 7.10.10.1 for details.
• CEL status: This bit field contains information about what has triggered the check engine fault. The first
status is the only 16 bit bitfield currently in use.
128 64 32 16 8 4 2 1
EGT fault RPM loss of
sync
AFR input
fault
Battery
voltage fault
TPS fault CLT sensor
fault
MAT sensor
fault
MAP sensor
fault
32768 16384 8192 4096 2048 1024 512 256
AFR
shutdown
EGT
shutdown
Fuel
pressure
fault
Oil pressure
warning
Cam fault Knock fault MAF fault Flex fuel
sensor fault
• CEL status 2: Additional data on what triggered the check engine light.
128 64 32 16 8 4 2 1
Reserved Reserved Reserved Reserved Reserved Reserved Safety
shutdown
Water
injection
fluid low
• Closed loop idle target RPM: The target engine speed for closed-loop idle control.
• Closed-loop idle RPM error: The difference between actual rpm and target rpm for closed-loop idle control.
• CLT: The measured coolant temperature (CLT).
• Duty Cycle 1: The calculated injector duty cycle on channel 1. This is made by taking the calculated pulse
width and dividing by the available time to fire the injector. It will display a value over 100% if the calculated
pulse width exceeds the available time. We recommend upgrading your injector size if this value goes above
85%.
• Duty Cycle 2: The calculated injector duty cycle on channel 2.
• Dwell: The ignition dwell (charge) time on the main spark outputs. Note that if using an ignition module that
controls dwell (such as a Ford EDIS, MSD ignition, or some Ford or Bosch ignition modules), the MS3Pro
will not report actual dwell time; it will instead report the length of the pulse it is sending to the module.
• E85 Fuel Correction: The percentage multiplier to fueling due to the flex fuel sensor.
• EAE1: The percentage multiplier to fueling due to Enhanced Acceleration Enrichment channel 1.
• EAE2: The percentage multiplier to fueling due to Enhanced Acceleration Enrichment channel 2.
• EAE load: The load variable used on the Y-axis of the EAE curves.
AMP EFI MS3Pro manual version 1.202, firmware 1.5.0, 4/21/2017 Page 285
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