Engine Monitors for Toyota

Bold= Default Log List

• AFR Sensor - air/fuel ratio based on the front oxygen sensor

• AFR Target - commanded air/fuel ratio based the active target tables and any active compensations

• Accel Sensor 1 Volts - main accelerator pedal position sensor output voltage

• Accel Sensor 2 Volts - sub accelerator pedal position sensor output voltage

• Accelerator Position - accelerator pedal opening angle percentage as determined by the accelerator position sensor

• Ambient Pressure - ambient pressure reading used for altitude calculation and compensations

• Axis for Shift Pattern Tables - transmission output shaft speed

• Battery Volts - battery voltage as determined by the battery voltage input to the ECU

• Boost Pressure - gauge pressure reading of MAP (Boost = MAP-Ambient Pressure)

• Coolant Temperature - engine coolant temperature based on the engine coolant temperature sensor

• Current Gear - current transmission gear recognized by the ECU as communicated by the TCM

• Drive Mode - current drive mode used for calculating torque targets and limiters

• Engine Load - engine load/airflow charge calculated as a %, represents airflow based on volumetric efficiency of the engine, values may be greater than 100%

• Engine Load Limit - current limitation placed on airflow charge, expressed as a percentage

• Engine Load Relative Modeled - modeled (not measured) relative load expressed as a percentage of maximum airflow

• Engine Oil Pressure - oil pressure as indicated by a pressure sensor in the engine head

• Engine Oil Temperature - oil temperature

• Engine Speed - engine speed in revolutions per minute

• Engine Torque Actual - calculated engine torque

• Engine Torque Actual 2 - calculated engine torque

• Engine Torque Request - torque request for the engine based on accelerator pedal position, engine speed, and drive mode

• Exhaust Gas Temperature - exhaust gas temperature measured at the wideband O2 sensor

• Fuel Rail Pressure - measured fuel rail pressure

• Fuel Rail Pressure Target - target fuel rail pressure

• Fuel System Status - indicates when lambda targeting is operating in normal mode (0) or if it is operating off of alternate target tables

• HPFP Discharge Volume - flow rate of HPFP output in ml per ms

• HPFP Duty - commanded duty cycle of the high pressure fuel pump

• Ignition Timing - commanded timing of the ignition event measured in degrees BTDC

• Ignition Trigger Count - measures ignition events over time, resets at 400

• Inferred Load Temperature CLT Axis - modeled coolant temperature used for load table axis inputs

• Inferred Load Temperature IAT Axis - modeled intake air temperature used for load table axis inputs

• Injection Crankshaft Angle - injection window, period of time the fuel injectors remain open, measured in crankshaft angle

• PFI/DFI Split - proportional split of fuel delivery between PI and DI systems (0=100% DI, 1=100% PI)

• Injection Switching Status - indicates whether engine is operating in direction injection mode (1) or port injection mode (0)

• Injection Timing DI - injector open time for direct injectors

• Injection Timing PFI - injector open times for port injectors

• Injection Volume - overall fuel volume commanded for injection

• Intake Air Temperature - intake air temperature measure at MAF sensor

• Intake Manifold Abs Pressure - absolute air charge measured at manifold

• Knock Correction Angle - timing correction based on measured knock from knock sensors, or positive correction in the event that no knock has been detected.

• Knock Correction Learned - learned knock correction

• LPFP Fuel Pressure - measured pressure for the low pressure fuel system feeding the high pressure fuel pump

• LPFP Fuel Pressure Target - commanded pressure for the low pressure fuel system feeding the high pressure fuel pump

• LPFP Pump Duty - low pressure fuel pump commanded duty cycle

• Load Limit Correction Axis - lookup axis for load limit correction table

• Load Limit Ignition Correction Table Data - lookup axis for Load Limit Ignition Correction table

• Long Term Fuel Trim - applied learned fuel trim made to injection volume based on measured AFR

• MAF Frequency - frequency output of the MAF sensor used for calculating measured airflow

• Mass Airflow - calculated airflow from MAF sensor

• Maximum Target Boost Pressure - indicates the limit for commanded boost pressure target

• Misfire Count - counter for detected misfires

• Short Term Fuel Trim - applied fuel correction made to fuel volume based on measured AFR

• TIP Actual Absolute - throttle inlet absolute pressure, measured

• TIP Desired Absolute - throttle inlet absolute pressure, target

• Throttle Motor Duty Closed - commanded duty cycle for closing the throttle blade

• Throttle Motor Duty Open - commanded duty cycle for opening the throttle blade

• Throttle Position - throttle position percentage, maximum of 82.5%

• Throttle Position Target Voltage - target output of throttle position sensor

• Torque Limit Table - torque limit based on table output

• Transmission Speed Sensor 1 - transmission input shaft speed

• Transmission Speed Sensor 2 - transmission output shaft speed

• Turbo IAT - intake air temperature post turbocharget

• VVT Exhaust Angle - measured camshaft advance value for variable valve timing on exhaust camshaft

• VVT Exhaust Angle Target - commanded camshaft advance value for variable valve timing on exhaust camshaft

• VVT Intake Angle - measured camshaft advance value for variable valve timing on intake camshaft

• VVT Intake Angle Target - commanded camshaft advance value for variable valve timing on intake camshaft

• Vehicle Speed - vehicle speed measured at wheel speed sensor

• Wastegate Duty Base - initial wastegate duty cycle before compensations are applied

• Wastegate Duty Final - final wastegate duty cycle after compensations are applied

• Wastegate Position Target - final wastegate position target in mm