Superseded Firmware Nissan GT-R 2007 VR38DETT Engine.April 2016

Current Version

• Throttle Servo Fault Engine Speed Limit applied when Throttle Servo Bank N Diagnostic is Power Save.

1.05.0085

• Fix gear down shift blip issue when anti lag is used.
• Fix GTR TCM OBD Vehicle Speed 1 channel value, previously reporting incorrect data.

v1.05.0081

• Change Fuel Volume Trim table validation limits to allow more range. Tables affected -
• Anti Lag Fuel Volume Trim
• Auxiliary Time Fuel Volume Trim
• Launch Fuel Volume Trim
• Add Driver Combined Switch N feature, allows two existing switch inputs to be combined.
• Fix some conditions triggering Warning Source in normal operation.
• Fix error in vehicle speed transmitted on CAN when the OE VDC module is removed, caused a fault in the TCM.

v1.05.0080

• Reinstate Warning Torque Limit parameters, accendently removed in the previous version.
• Add Nitrous Bottle Pressure Warning Torque Limit and Enigne Speed Limit parameters.

v1.05.0079

• Add ‘Exceeded’ channel to all warning groups.
• Improve Boost Pressure sensor fallback strategy.
• Add Driver Race Time switch to switches all tables in Race Time. Note: The Race Time Torque Limit table axis has changed from Driver Torque Limit Switch to this switch.
• Add Throttle Servo Bank N Diagnostic channel to the CAN Tx (Msg 0x64E).
• Change Fuel Closed Loop Recovery to be a Ratio of the Fuel Closed Loop Period, rather than a fixed time.
• Fix VDC Simulated Vehicle Speed on CAN to use a fixed scaling (when OE VDC is removed). Can prevent errors on TCM.
• Increase update rate of GPS received on CAN from 25Hz to 100Hz.
• Improve Wheel Speed diagnostic reporting.
• Improve GPS Diagnostic reporting when data received on CAN.
• Improve Vehicle Speed and Vehicle Speed Estimate fallback to GPS Speed.

v1.05.0078

Major update, system verison updated from 1.3 to 1.4, includes Udig capture and other improvements.

• Add Traction control system.
• Add Traction Model system.
• Add Alternative Fuel system, Flex Fuel or Dual Fuel.
• Add AWD Transfer control system with burnout mode.
• Add dual Boost control system.
• Add Boost Servo control system.
• Add reading of OE TCM internal data.
• Add Nitrous control system.
• Add tuning flexibility for CAN values to effect the TCM control.
• Add Clutch Slip control system to prevent clutch damaged.
• Display Ethanol content on the OE cluster.
• Add dual Engine Oil Pressure warning safety cutoff.
• Add Race Time system.
• Improve Launch control including 'bump in'.
• Improve Knock control.
• Improve Warning system and add many more warning conditions.
• Add Wastegate Pressure control system.
• Improve Driver switch setup and flexibility.
• Improve Torque calculations.
• Add support for sensors with digital outputs.
• Add Exhaust Sound contorl for MY17+ models.
• Add Vehicle Speed Estimate system, for a better estimate of true ground speed.
• Improve Anti Lag system.
• Add support for Bosch MM5.10 inertial sensor.
• Add support for Bosch M4 and M5 ABS units.
• Add support for removing the OE VDC unit.
• Add support for PDMs, (no monitoring).
• Too many other additions, improvements and tweaks to mention. See the package help for operational details.

01.04.0005

• Fix Clutch Slip Warning activating incorrectly during gear down shift.
• Add feature to prevent the Gear Automatic system from up shifting too early when Engine Speed is high due to wheel slip.
• Improve the activation reliability of Launch control.
• Add strategy for Launch control to build boost faster while stationary.
• Allow Torque Limit by throttle to be disabled under strict conditions.
• Fix Vehicle Speed State from latching in Output Shaft Speed in corner cases.

01.04.0000

• Improve Inlet Manifold Pressure model.
• Improve throttle control when torque control is active.
• Improve boost limiting during gear shift.
• Improve cruise control safety cut outs.
• Cancel queued shifts when TCM takes control of shifting.
• Remove use of estimated vehicle speed or GPS for vehicle acceleration estimation.
• Convert all switch inputs to use Driver switch input mechanism.
• Minor change to a torque value sent on CAN to the TCM.
• Add GTR group. All integration with OE systems is shifted to this group.
• Add GTR Throttle Adjustment table to improve tuning of the clutch control and shift feel.
• Add GTR Throttle Pedal Translation table to improve tuning of the clutch control and shift feel.
• Add Clutch Slip Control system for prevention of clutch damage.
• Add Clutch State channel.
• Add use of steering wheel buttons as Driver switch inputs.
• Add use of vehicle setup switches as Driver switch inputs.
• Add to list of available warnings and add torque limits to all warnings.
• Add 'Drag' priority to Gear Automatic system with a driver switch input
• Add Engine Load Normalised to the Knock Threshold and Knock Recovery Rate tables.
• Add ability to adjust which knock sensor is associated with each cylinder.
• Add Engine Load Normalised axis to the Ignition Charge Time table.
• Add Ignition Driver Firing Edge setting for 'rising edge' triggered ignition systems.
• Add 'Normal' mode to Launch control for OE style launch.
• Improve Launch control ignition timing control and various other tweaks.
• Add Launch TCM Deactivate strategy.
• Improve Anti Lag system flexibility and drivability.
• Add fuel cut to Anti Lag system.
• Add odometer and trip distance measurements.
• Improve Warning system and add Warning Mode parameters to disabled individual warnings.
• Add support for a MoTeC ADR.
• Update sensor inputs, some now include optional CAN input sources.
• Boost Limit system is now used to set the appropriate Boost Aim during torque limiting.
• Add front and rear Brake Pressure inputs.
• Add Coolant Temperature Estimate strategy.
• Add Coolant Temperature Engine Speed Limit.
• Improve Fuel Mixture Aim table and adjustments of aim value from subsystems.
• Add PWM Coolant Pump control system with 'After Run' strategy.
• Add Coolant Fan N control systems with PWM options.
• Add E8XX CAN ID Base parameter.
• Add Engine Load Average Torque Limit, replaces Engine Load Average Throttle Pedal Compensation.
• Change cranking fuel compensation method.
• Add Engine Crank Flooded Throttle Position.
• Improve Exhaust Lambda sensor fall back strategy.
• Add Exhaust Lambda Engine Run Time setting to delay sensor start up.
• Improve Exhaust Temperature sensor fall back strategy.
• Change Fuel Volume Trim channel naming.
• Improve Fuel Pressure measurement options and channel naming.
• Add Fuel Cut strategy.
• Add Fuel Tank Level input.
• Improve moment of update to Gear channel on up shift and associated components.
• Add GTR Tyre Pressure receive of OE TPMS system.
• Add various sensor channels from the vehicle CAN bus write to 'OE' CAN slots for use in sensor inputs.
• Improve tuning of GTR TCM Down Shift Engine Speed Offset.
• Change Ignition Cylinder N Trim Main table axis of Inlet Manifold Pressure to Engine Load Normalised.
• Add Inlet Manifold Pressure Estimate and Correction system (optionally applied).
• Add Inlet Camshaft Engine Run Time setting to prevent cam control operation before oil pressure is present.
• Add Intercooler Temperature sensor input and Intercooler Spray system.
• Add Steering Pressure Switch option.
• Add Steering Angle Sensor input. Previously this only read the OE CAN bus value.
• Add Vehicle Yaw Rate Sensor input. Previously this only read the OE CAN bus value.
• Improve Throttle Servo fault tolerance to engine vibration.
• Improve Vehicle Speed calculation, now uses slowest front wheel speed during acceleration.
• Add Wheel Speed sensor inputs.
• Add Torque Modelled channel.
• Add Torque Maximum and associated channels.
• Add Exhaust Temperature Maximum which is used for triggering the Exhaust Temperature Warning .
• Add Engine Overrun Delay setting to improve drivability tuning.
• Add static test option to Throttle Test Mode.
• Change Fuel Injector group to contain all setting related to injector characterisations and improved flexibility of injector setup.
• Add Fuel Cylinder N Primary Output Resource settings so outputs to primary injectors can be changed if needed.
• Add Fuel Injector Primary Location and Fuel Injector Secondary Location settings.
• Add Engine Oil Pressure Sensor input. Previously this only read the OE CAN bus value.
• Update MoTeC CAN data sets transmitted for MoTeC dashes and 3rd party devices.
• Update entire GT-R package to bring it in line with current versions of the MoTeC GPR package strategies and channel naming where appropriate.
• Improve the setting of Boost Aim when a very high Torque Limit in in place.
• Remove Exhaust Temperature Ignition timing Compensation.
• Remove some Throttle Mass Flow channels that were of little value. These channels now only exist internally.
• Remove old Fuel Transient system. Fuel Film replaces this system.
• Add OBD reply to 3rd party devices to allow communications with other vehicle systems in special cases.
• Add request and receive of TCM and VDC OBD channels for diagnostics and tuning. (only functional on early TCM versions)
• Minor bug fixes to automatic gear shifting.

01.02.0054

• Add support for primary and secondary injectors.
• Add fuel film model.
• Add 'Gear' system.
• Add 'Transmission Up Shift Boost Limit' to prevent over-boost during gear shift.
• Add 'Transmission Torque Limit Override' parameter.
• Add Torque Limit Switch to 'Gear Torque Limit' table.
• Add 'Torque Limit Switch' to 'Vehicle Speed Torque Limit' table.
• Add 'Ambient Pressure' axis to 'Boost Control Feed Forward' table.
• Add 'Ambient Pressure' axis to 'Engine Efficiency' table.
• Add 'Transmission Shift Mode' channel.
• Add 'Logging Engine Speed' parameter.
• Add 'Communications CAN Bus 2 Mode' and 'Communications CAN Bus 3 Mode' parameters.
• Add Quick Adjust function to 'Coolant Temperature Idle Mass Flow Feed Forward' table.
• Add 'Brake Temperature Front Left' sensor.
• Add 'Brake Temperature Front Right' sensor.
• Add 'Brake Temperature Rear Left' sensor.
• Add 'Brake Temperature Rear Right' sensor.
• Add 'Turbocharger Speed Bank 1' sensor.
• Add 'Turbocharger Speed Bank 2' sensor.
• Add 'Turbocharger Outlet Temperature Bank 1' sensor.
• Add 'Turbocharger Outlet Temperature Bank 2' sensor.
• Add 'Exhaust Pressure Bank 1' sensor.
• Add 'Exhaust Pressure Bank 2' sensor.
• Add 'Engine Load Normalised Mode' parameter.
• Add 'Engine Overrun Ignition Timing' parameters to soften transition into overrun.
• Add 'Fuel Timing Makeup' table.
• Add 'Fuel Pump Main Duty Cycle' parameters.
• Add 'Fuel Molar Mass' parameter.
• Add 'Ignition Timing Limit' parameters.
• Add 'Vehicle Speed' axis to 'Launch Engine Speed' table.
• Add support for SLM.
• Add steering wheel buttons to CAN transmit data set.
• Add 'Vehicle Speed' to 'Launch Engine Speed' table.
• Update all voltage inputs at a minimum of 100Hz.
• Improve 'Brake Switch Diagnostic' calculation to prevent misdiagnosing a brake switch fault.
• Correct Fuel Volume Transient table axes. Previously using 'Inlet Manifold Pressure Bank 1', now using 'Inlet Manifold Pressure'.
• Replace Fuel Closed Loop Activate Engine Efficiency with 'Fuel Closed Loop Activate Inlet Manifold Pressure'.
• Replace Launch Exit Clutch Slip with 'Launch Exit Vehicle Speed'.
• Change third 'Boost Aim Main' axis from Engine Mode to 'Ambient Pressure'.
• Change all Boost Aim Compensation tables to 'Boost Limit' tables.
• Change 'Anti Lag' strategy so that it can be armed while the 'Anti Lag Ignition Cut' table is non-zero.
• Improve 'Engine Charge Cooling' calculation. May cause changes to 'Engine Efficiency' calibration.
• Improve 'Engine Load Fuel Vapour Correction' calculation. May cause changes to 'Engine Efficiency' calibration.
• Fix warning source for 'Inlet Manifold Temperature Bank 1'.
• Fix external torque limit overriding idle torque request causing an engine stall.
• Fix steering wheel button activation when 'Steering Wheel Button Voltage Resource' is 'Not in Use'.
• Fix 'VDC Torque Limit Gain' when VDC torque limits are greater than 'Torque Pedal'.
• Fix launch control activation logic.
• Fix high engine speed causing TCM fault.
• Fix high engine torque output causing TCM fault.
• Remove 'Launch Engine Speed' maximum limit.
• Remove limits on boost pressure.

01.01.0008

• Initial release.