Engine Monitors for Honda

Bold= Default Log List

AP3-HON-001

  • AFR Actual - Wideband front oxygen sensor reading converted from Lambda to AFR

  • AFR Commanded (Final) - The desired lambda before input from closed loop adjustments.

  • Accelerator Pedal Position - Accelerator pedal position (this is direct pedal input before translations)

  • Air Charge - Engine load actual after all compensations.

  • Air Charge Desired - Desired engine load from torque request calculations

  • Air Mass Flow - The calculated airflow through the engine

  • Air Mass Flow Desired - Desired airflow through the engine

  • Barometric Pressure - Measured barometric pressure

  • Battery Voltage - Hopefully self-explanatory

  • Boost Pressure - Manifold Absolute Pressure minus current barometric pressure

  • Brake Pressure - Pressure applied to brake pedal

  • Catalyst Temperature (Modeled) - What temperature the computer thinks the catalyst is. Used for component protection functions

  • Clutch Pedal Position - Travel of the clutch pedal from 0% (fully released) to 100% (fully depressed)

  • Clutch Pedal State – Travel of the clutch pedal broken into different modes, 0 (position 0-80%) or 1 (80-100%) for FK8 and 0 (0-25%), 1 (80-100%), and 2 (25-80%) for FL5/DE5.

  • ETC Angle Actual - Actual angle of the throttle body, represented in a percent from 0-100%

  • Engine Coolant Temperature (Sensor 1) - Pre-radiator engine coolant temperature

  • Engine Coolant Temperature (Sensor 2) - Post-radiator engine coolant temperature

  • Engine Speed - Engine RPM

  • Exhaust Gas Mass Flow Upstream Turbo - Combined air and fuel exhaust gas mass upstream of the turbocharger; used in calculations for desired mass flow fraction between turbine and wastegate.

  • Exhaust Manifold Pressure – Absolute pressure in the exhaust manifold before the turbocharger.

  • FFS Rev Limit Current flat foot shift rev limit.

  • FFS State - Current flat foot state. Monitor s a sum of any applicable functions below How to Read Compound Monitors

1

FFS Disabled

2

Vehicle Speed Ready

4

Accel. Pedal Ready

8

Clutch Pedal Ready

16

Not Used

32

Not Used

64

Real Time Override

128

FFS Active

  • FRP Actual – Measured fuel pressure in the fuel rail, units in PSI

  • FRP Desired – Target fuel pressure in the fuel rail, units in PSI

  • Fuel Status – Mode of the fuel system

  • Gear – Current gear

  • HPFP Spill Valve Duty Cycle (Feed Forward) – Target spill valve duty cycle, prior to error corrections

  • HPFP Spill Valve Duty Cycle (Final) – Final spill valve duty cycle, including all error corrections

  • Ignition Timing Cyl1 – Final ignition timing advance for Cylinder 1

  • Ignition Timing Cyl2 – Final ignition timing advance for Cylinder 2

  • Ignition Timing Cyl3 – Final ignition timing advance for Cylinder 3

  • Ignition Timing Cyl4 – Final ignition timing advance for Cylinder 4

  • Injection Time – Injector pulsewidth, in ms

  • Intake Air Temperature – Pre-turbo intake air temperature

  • Knock Level (Reference) – Intermediate calculations for the estimation of knock count and intensity

  • Knock Ratio (Int/Ref) – Estimation of knock intensity, used in lookup for knock correction tables

  • Knock Ratio (Int/Ref) (2) – Estimation of knock intensity, used in lookup for knock correction tables

  • Knock Retard Cyl1 – Timing retard applied to Cylinder 1 due to knock

  • Knock Retard Cyl2 – Timing retard applied to Cylinder 2 due to knock

  • Knock Retard Cyl3 – Timing retard applied to Cylinder 3 due to knock

  • Knock Retard Cyl4 – Timing retard applied to Cylinder 4 due to knock

  • LC Active Time Launch control active time maximum from table data. The Launch Control Timeout defines the maximum time Launch Control can be active.

  • LC Activation Delay Time Current launch control activation delay from table data.

  • LC Engine Load Target Load target while in launch control from Load Target table.

  • LC ETC Target ETC target while in launch control.

  • LC Rev Limit Engine RPM target while in launch control from Rev Limit (LC) table.

  • LC State Current launch control state.  Monitor is a sum of any applicable options below How to Read Compound Monitors

1

Launch Disabled

2

Oil Temperature Disable

4

Coolant Temperature Disable

8

EGT Disable

16

Launch Timeout Disable

32

Transmission Oil Temperature (MK7 only)

64

Steering Wheel Angle Disable

128

Not Used

256

Clutch/Brake Ready

512

Accel. Pedal Ready

1024

Vehicle Speed Ready

2048

Launch Delay Complete

4096

Burnout Mode Level 1

8192

Burnout Mode Level 2 

16384

Not Used

32768

Launch Active

  • Lateral Acceleration – Side-to-side G-force of vehicle

  • Long Term Fuel Trim  – Learned fuel trim

  • Longitudinal Acceleration – Front-to-back G-force of vehicle

  • MAF (Mass Air Flow sensor) Voltage – Voltage signal from MAF sensor

  • MAP (Manifold Absolute Pressure) – Manifold Absolute Pressure

  • Manifold Air Temperature – Air temperature in intake manifold

  • Oil Pressure – Oil Pressure

  • Pressure Upstream Throttle (PUT) Actual – Pre-throttle body actual absolute pressure

  • Pressure Upstream Throttle (PUT) Desired  – Target pre-throttle body absolute pressure

  • Short Term Fuel Trim – Changes to fueling based on current need

  • Steering Angle – Current angle of steering wheel; 0-degrees indicates wheel is straight

  • Target Boost Pressure – Target MAP minus current barometric pressure

  • Torque Percent Estimated – Estimated torque in relative form after all calculated losses and lambda/spark efficiency (0-100%, scaled against torque maximum).

  • Torque Percent Optimum – Estimated torque in relative form before all calculated losses and lambda/spark efficiency (0-100%, scaled against torque maximum).

  • Torque Percent Requested – Requested torque in relative form (0-100%, scaled against torque maximum).

  • Torque Spark Efficiency – Modeled efficiency of current spark angle vs. modeled MBT at current RPM/load.

  • Turbo Compressor Efficiency – Modeled compressor efficiency at estimated pressure ratio and airflow mass.

  • Turbo Compressor Pressure Ratio – Modeled actual pressure ratio across the compressor (Outlet/Inlet).

  • Turbo Compressor Pressure Ratio (Desired Outlet/Modeled Inlet) – Desired pressure ratio across the compressor (Outlet/Inlet).

  • Turbo PID I-Term – Integral component of the boost error control system

  • Turbo PID PD-Term – Sum of proportional and derivative components of the boost error control system

  • Turbo Power Ratio (Des. Comp./Avail. Turb.) – Modeled ratio of desired compressor power vs. available turbine power; used as y-axis for Desired Position Boost Pressure Actuator table.

  • Turbo Pre-Turbine Reduced Mass Flow – Representation of desired exhaust mass flow through turbine vs. wastegate; used as x-axis for Desired Position Boost Pressure Actuator table.

  • Turbo Turbine Mass Flow Usage Rate – Representation of desired exhaust mass flow through turbine vs. wastegate.

  • VCT-E Position Actual – Exhaust cam phaser actual position

  • VCT-E Position Desired – Exhaust cam phaser target position

  • VCT-I Position Actual – Intake cam phaser actual position

  • VCT-I Position Desired – Intake cam phaser target position

  • VTEC Lift State – State of VTEC lift on exhaust cam; 0 = off, 1 = on

  • Vehicle Speed – Vehicle speed, averaged across all wheels

  • Wastegate Position Actual – Actual position of the wastegate actuator; 0 = totally closed, 1 = totally open

  • Wastegate Position Desired – Desired position of the wastegate actuator; 0 = totally closed, 1 = totally open

  • Wheel Speed (LF) – Wheel speed, left front

  • Wheel Speed (LR) – Wheel speed, left rear

  • Wheel Speed (RF) – Wheel speed, right front

  • Wheel Speed (RR) – Wheel speed, right rear

  • Yaw – Yaw of vehicle (rotation of vehicle compared to direction of movement/inertia)

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