Introduction

This document provides descriptions of each of the data monitors available to view and log in the current Accesstuner software and Accessport firmware for the Volkswagen/Audi vehicles listed below. Not all monitors are available for all vehicles due to differences in vehicle hardware and/or engine control unit (ECU) capabilities.

Applicable Volkswagen Models

The following USDM Volkswagen models are applicable to this document:

USDM Volkswagen MK7 GTI (MT & DSG)
WM Volkswagen MK7 GTI (MT & DSG)
USDM Volkswagen MK7.5 GTI (MT & DSG)
USDM Volkswagen MK7 Golf R (MT & DSG)
USDM Volkswagen A7 Jetta GLI
USDM Audi 8V A3
USDM Audi 8V S3

Default Log Lists

Typically the most important or indicative of vehicle performance and safety. While there are other monitors that may be important, this typically gives a good picture of how the vehicle is running.

MK7 GTI, A7 GLI, 8V A3 Default Log List

•AFR
•AFR Set Point
•Accel Pedal Position
•Air Mass Intake Manifold Per Stroke
•Air Mass Intake Manifold Set Point
•Air Mass Per Stroke Set Point
•Charge Air Temperature
•Boost Pressure
•Current Gear
•COBB Spark Reduction
•Driver Requested Torque
•Engine Speed
•Exhaust Cam Position
•FFS State
•HPFP Effective Pump Volume
•Ignition Timing Final
•Intake Cam Position
•Injection Time Primary Pulse Average
•Intake Flap Set Point
•Knock Retard Cylinder 1
•Knock Retard Cylinder 2
•Knock Retard Cylinder 3
•Knock Retard Cylinder 4
•LC State
•LTFT
•Mass Flow Limit for Torque Intervention 1
•Mass Flow Limit for Torque Intervention 2
•Mass Flow Limit for Torque Intervention 3
•Mass Flow Limit for Torque Intervention 4
•Maximum Torque at Clutch
•Maximum Turbo Speed Set Point
•PUT Set Point
•Pressure Upstream Throttle
•Rail Pressure
•Rail Pressure Set Point
•STFT
•TPS
•Torque Actual
•Torque Limitation Source
•Torque Maximum Clutch
•Torque Maximum Engine
•Torque Value for Air Mass Set Point
•Turbine Actuator Final Value
•Turbo Shaft Speed
•Valve Lift State
•Wastegate Mass Flow Set Point

MK7 Golf R, 8V S3 Default Log List

•AFR
•AFR Set Point
•Accel Pedal Position
•Air Mass Intake Manifold Per Stroke
•Air Mass Intake Manifold Set Point
•Air Mass Per Stroke Set Point
•Charge Air Temperature
•Boost Pressure
•Current Gear
•COBB Spark Reduction
•Driver Requested Torque
•Engine Speed
•Exhaust Cam Position
•FFS State
•HPFP Effective Pump Volume
•Intake Manifold Pressure Set Point
•Ignition Timing Final
•Intake Cam Position
•Injection Time Primary Pulse Average
•Intake Flap Set Point
•Knock Retard Cylinder 1
•Knock Retard Cylinder 2
•Knock Retard Cylinder 3
•Knock Retard Cylinder 4
•LC State
•LTFT
•Mass Flow Limit for Torque Intervention 1
•Mass Flow Limit for Torque Intervention 2
•Mass Flow Limit for Torque Intervention 3
•Mass Flow Limit for Torque Intervention 4
•Maximum Torque at Clutch
•Maximum Turbo Speed Set Point
•PUT Set Point
•Pressure Upstream Throttle
•Rail Pressure
•Rail Pressure Set Point
•STFT
•TPS
•Torque Actual
•Torque Limitation Source
•Torque Maximum Clutch
•Torque Maximum Engine
•Torque Value for Air Mass Set Point
•Turbine Actuator Final Value
•Turbo Shaft Speed
•Valve Lift State
•Wastegate Mass Flow Set Point

Available Monitors With Descriptions:

Monitors in Red denote monitors only used on vehicles with Multi Port Injection in addition to the Direct Injection

Accelerator Pedal Position Accelerator pedal opening angle percentage as determined by the accelerator position sensor.
AFR Air/fuel ratio based on the front oxygen sensor.
AFR Set Point Target Air/Fuel Ratio
Air Mass Intake Manifold kgh Calculated air mass in KG/H.
Air Mass Intake Manifold Per Stroke Current load value achieved by the ECU used as an axis reference.
Air Mass Intake Manifold Set Point Mass air lower limit set point
Air Mass Limit Per Stroke Turbo Turbo protection air mass limit.
Airflow Set Point for CHRG Funcs Current load value achieved by the ECU used as an axis reference .
Air Mass Per Stroke Set Point Reference set point for maximum air mass request per stroke.
Ambient Air Temp. Ambient temperature reading.
Ambient Pressure Ambient pressure reading used for altitude calculation and compensations.
Basic Boost Ambient Pressure Factor Adjustment to basic boost target based on ambient pressure (Atmospheric)
Basic Boost Ambient Temp. Factor Adjustment to basic boost target based on ambient (environmental) temperature
Basic Boost Final Adjustment Factor Combination of the ambient pressure and temperature factors.
Basic Boost Final WG Set Point Final wastegate set point determined by the Basic Boost system after compensations
Basic Boost PUT Limit Put limit target set by Basic Boost system
Basic Boost WG Set Point Basic Boost Wastegate Set Point before compensations.
Battery Volts Current battery/charging system voltage.
Boost Pressure Gauge Pressure readings from MAP sensor. (This monitor only displays pressure values. See: Intake Manifold Pressure for related vacuum readings)
Brake Switch Current state of the brake pedal.
Catalyst Temperature Temperature of catalyst
Charge Air Temperature Modeled Charge air temperature.
Clutch Switch Current state of the clutch position.
COBB Spark Reduction Total timing reduction from COBB custom features. (Launch Control, traction control)
Combustion Mode Current ECU combustion state.
Compressor Inlet Press. Modeled turbo compressor inlet pressure.
Coolant Temp. for Torque Limiting ECU's current calculated limit value used for torque limiting.
Coolant Temp. Engine coolant temperature. This value can vary from the value displayed on the cluster as there are filters in place from the factory altering the values to appear more consistent, thus keeping a middle range of values at a steady value bu
Current Gear Current calculated gear.
Current Gear Predicted This is the next requested gear from the transmission (DSG Only).
Cylinder 1 - 4 SOI Primary Pulse Primary start of injection pulse per cylinder.
Cylinder 1 - 4 SOI Secondary Pulse Secondary start of injection pulse per cylinder.
Cylinder 1 - 4 EOI Limit End of injection limit timing per cylinder.
Cylinder 1 - 4 Injector End Angle Primary Pulse Primary end of injection angle timing per cylinder.
Cylinder 1 - 4 Injector End Angle Secondary Pulse Secondary end of injection angle timing per cylinder.
Cyl 4 Inj Time MPI Pulse - Injection Time at Cylinder 4 for Secondary Injector
Cyl 3 Inj Time MPI Pulse - Injection Time at Cylinder 3 for Secondary Injector
Cyl 2 Inj Time MPI Pulse - Injection Time at Cylinder 2 for Secondary Injector
Cyl 1 Inj Time MPI Pulse - Injection Time at Cylinder 1 for Secondary Injector
Decel PU Active In decel mode switch
Driver Mode Switch Current status of driver performance switch (1= Normal/Individual 8= Sport )
Driver Requested Torque Current calculated driver requested torque from maximum torque tables.
Driver Requested Torque Scalar Calculated torque scalar from driver interpretation maps.
Effective Volume Correction MAF
Effective Volume Correction Total
Dwell Time
Dwell Time Factor
Dwell Time High Energy Mode
EGT Upstream Turbo Modeled exhaust gas temperature in the manifold.
ESC/ASR Switched Off
Effective Volume Air Mass Set Point
Effective Volume Offset
Effective Volume Slope
Engine Speed Limit Current limit from ECU limits tables.
Engine Oil Temp. Engine oil temperature. This value can vary from the value displayed on the cluster as there are filters in place from the factory altering the values to appear more consistent, thus keeping a middle range of values at a steady value but when it approaches either extreme cold or hot it will change more drastically(i.e. they don't want to scare people so they just tell them everything is fine except for when it is definitely not)
Engine Speed Engine speed in crankshaft revolutions per minute based on the crankshaft position sensor.
Engine/Vehicle Speed Ratio Calculated ratio used in traction and diagnostic systems.
Ethanol Content Read from Sensor Raw ethanol content from the sensor
Ethanol Content Used Ethanol content the flex fuel system is currently using
Exhaust Cam Position Current exhaust cam position.
Exhaust Gas Pressure Set Point Modeled Airflow mass set point.
Exhaust Pressure Flow Factor Calculated exhaust pressure used in turbo modeling system. This is the Y axis input for the Wastegate Actuator Set Point tables.
Exhaust flap 1 Exhaust Flap 1 Position (Golf R only)
Exhaust flap 2 Exhaust Flap 2 Position (Golf R only)
Exhaust flap index 1 Exhaust Flap 1 index used for identifying current referenced table. (Golf R only)
Exhaust flap index 2 Exhaust Flap 2 index used for identifying current referenced table. (Golf R only)
Factory TC Active State of factory traction control system.
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
Factory Launch Control Enabled
Factory TC Active
Flex Add AFR Target Adjustment to target air fuel ratio based on current ethanol content used
Flex Add Ignition Target Adjustment to target ignition timing based on current ethanol content used
Flex Add Torque Target Adjustment to target torque based on current ethanol content used
Flex Boost Cut Set value for a boost cut when running flex fuel
Flex Manifold Pressure Max Current Flex Fuel Maximum Intake Manifold Pressure Setpoint
Flex PUT Adder Current value added to Pressure Upstream Throttle from the Flex Fuel system.
Flex Percent Add AFR Target What percentage of the target AFR adder is being used based on your current ethanol content used
Flex Percent Add Ignition Target What percentage of the target Ignition adder is being used based on your current ethanol content used
Flex Percent Add Torque Target What percentage of the target Torque adder is being used based on your current ethanol content used
Flex Percent Manifold Pressure Max What percentage of the target Intake Manifold Setpoint adder is being used based on your current ethanol content used
Flex Percent PUT Adder What percentage of the target PUT adder is being used based on your current ethanol content used
Flex Percent PUT Setpoint Current percent of the flex fuel PUT setpoint being used.
Fuel Injection Type Current injection mode
Fuel Injection System Split - Current Split between HPDI and MPI injection System
Fuel Pressure Differential MPI - This is the differential fuel pressure at the tip of the injector. (Low pressure fuel system rail pressure - Manifold Pressure)
Fuel Mass Delivered to Rail Effective modeled fuel mass delivered by the HPFP to the fuel rail.
Fuel Pressure Set Point Index
Fuel Temperature Fuel temp in the low pressure system
Gear Lever Position Current actual gear lever position.
Gearbox Oil Temp Transmission temperature.
HPFP Controller Output Current ECU commanded state for the HPFP system.
HPFP Control Proportional Proportional value of the HPFP PI(D) control system.
HPFP Control Integral Integral value of the HPFP PI(D) control system.
HPFP Effective Pump Volume Modeled HPFP volume.
HPFP Fuel Temperature Modeled fuel temperature at the HPFP
High Low Flag for Ignition Dwell Switch to enable high energy mode
IAT Intake air temperature.
Ignition Correction from Cmb Mode Corrected basic ignition angle for current combustion mode per intake cylinder.
Ignition Correction from Temperature Calculated correction due to temperature compensations (coolant and air temperature).
Ignition Table Output Direct output from current blended table.
Ignition Timing Average Average ignition after compensations.
Ignition Timing Cylinder 1 Current cylinder 1 ignition timing.
Ignition Timing Cylinder 2 Current cylinder 2 ignition timing.
Ignition Timing Cylinder 3 Current cylinder 3 ignition timing.
Ignition Timing Cylinder 4 Current cylinder 4 ignition timing.
Ignition Timing Final Final ignition after compensations.
Ignition Timing Max Vlft High Maximum calculated ignition angle depending on cam position
Ignition Timing Max Vlft Low Maximum calculated ignition angle depending on cam position
Ignition Torque SP Efficiency Vlft High Setpoint ignition efficiency (VVL position dependant)
Ignition Torque SP Efficiency Vlft Low Setpoint ignition efficiency (VVL position dependant)
Impulse Combustion Temp Flag Flag to disable impulse combustion due to temp.
Impulse Combustion Active Current state of impulse combustion.
Impulse Combustion Active Time 1
Impulse Combustion Active Time 2
Impulse Combustion Post Activation Timer Time after impulse combustion has been active.
Impulse Combustion Active Gear Shift State during gear shift.
Impulse Combustion Active Decel PU State during decel.
Injection Mode Index Current state of injection system.
Injection Pressure Mode Index Injection pressure mode state.
Injection System Status Current injection mode.
Injection Time Cylinder 1 - 4 Primary Pulse Primary pulse-width per cylinder.
Injection Time Cylinder 1 - 4 Secondary Pulse Secondary pulse-width per cylinder.
Injection Time Primary Pulse Average Average of cylinder 1-4 injection time.
Injection Time Secondary Pulse Average Average of cylinder 1-4 injection time, secondary pulse.
Injection Time Window Exceeded Maximum calculated injection time exceeded
Injector Off Time 1
Injector Off Time 2
Intake Cam Position Current intake cam position.
Intake Flap Set Point Commanded intake runner valve position.
Intake Manifold Pressure Delta from Modeled Calculated deviation pressure from model.
Intake Manifold Pressure Sensor (Raw) Raw value from the MAP sensor
Intake Manifold Pressure Set Point Calculated intake manifold pressure used in the boost control system.
Intake Manifold Pressure Intake manifold pressure used in the boost control system.
Intake Pressure Flow Factor Intake manifold pressure flow factor used in the boost control system. This is the x axis input for the Wastegate Actuator Set Point tables.
Knock Dataset Selection Dataset selection for filtering frequency, depending on injection mode different filter can be selected dynamically.
Knock Retard Cylinder 1 Knock Retard for cylinder 1
Knock Retard Cylinder 2 Knock Retard for cylinder 2