Cobb Accessport User manual

Accessport
09/29/15
User Guide
Nissan GT-R MY 2008+

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Contents
Product Introduction..................................................................................................................................3
Supported Part Numbers.......................................................................................................................3
Supported Vehicle List...........................................................................................................................3
Supported Transmission List (AP3-NIS-006 only) .................................................................................4
Supported Transmission List (AP3-NIS-008 only) .................................................................................4
In-Box Contents.....................................................................................................................................5
Accessport Installation..............................................................................................................................7
Mounting Options...................................................................................................................................7
Pre-Installation.......................................................................................................................................7
Screen Capture......................................................................................................................................8
Getting Started.......................................................................................................................................8
Standard Tuning vs SD (Speed Density) Tuning...................................................................................9
Vehicle Identification............................................................................................................................10
Map Selection......................................................................................................................................10
What Is A Map?...................................................................................................................................10
Save Stock ECU Program Data...........................................................................................................10
Install Accessport Programming..........................................................................................................11
Transmission Control Module (TCM) Flashing.....................................................................................11
Installation Complete ...........................................................................................................................12
Accessport Features & Functionality.......................................................................................................13
Gauges................................................................................................................................................13
Setup ...................................................................................................................................................14
Change Gauge Layout.........................................................................................................................15
Change Units.......................................................................................................................................16
Configure Shift Light ............................................................................................................................16
Configure Datalogging.........................................................................................................................17
Performance........................................................................................................................................19
0-60 MPH .........................................................................................................................................19
¼ Mile...............................................................................................................................................19
Dynamometer...................................................................................................................................19
Change Units.......................................................................................................................................19
Troubleshooting...................................................................................................................................20

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Memory Snapshot ............................................................................................................................20
Memory Snapshot TCM....................................................................................................................20
Read Codes......................................................................................................................................20
Reset ECU........................................................................................................................................20
TCM Service (AP3-NIS-006 and AP3-NIS-008 only)........................................................................21
TPMS Learning.................................................................................................................................21
I/M Readiness...................................................................................................................................21
Tune.....................................................................................................................................................22
Adjust LC RPM (AP3-NIS-006 and AP3-NIS-008 only)....................................................................22
Switch Traction Control ....................................................................................................................22
Change Map.....................................................................................................................................22
Change TCM Map (AP3-NIS-006 and AP3-NIS-008 only)...............................................................23
TCM Adjustments (AP3-NIS-006 and AP3-NIS-008 only)................................................................23
TPMS Learning.................................................................................................................................24
Show Current Map...............................................................................................................................25
ECU Reflash..............................................................................................................................25
TCM Reflash..............................................................................................................................25
Setup ...................................................................................................................................................26
Help .....................................................................................................................................................26
About Accessport: ............................................................................................................................26
Context Help:....................................................................................................................................26
Button Help:......................................................................................................................................27
Icon Help: .........................................................................................................................................27
Demo Mode:.....................................................................................................................................27
Accessport Troubleshooting....................................................................................................................28
Symptom ..........................................................................................................................................28
Troubleshooting Steps......................................................................................................................28
Accessport will not communicate with vehicle..................................................................................28
Accessport cannot reflash ECU........................................................................................................28
Accessport cannot identify vehicle during installation.......................................................................28
Technical Support Contact Information................................................................................................29
Web..................................................................................................................................................29
E-Mail ...............................................................................................................................................29
Phone...............................................................................................................................................29
Environmental Information ......................................................................................................................30

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Product Introduction
Congratulations on the purchase of the Accessport hand held programmer. The Accessport is the
industry leading OEM ECU flashing, managing, and monitoring assistant. Unlock power hidden within
the ECU by replacing conservative factory settings with more aggressive calibrations. The result is
impressive gains in torque and horsepower while maintaining a high degree of safety. The Accessport
can:
Reprogram the factory engine control unit (ECU) with improved tuning parameters through the
on-board diagnostic (OBD-II) port
Reprogram the factory transmission control module (TCM) with improved tuning parameters
through the on-board diagnostic (OBD-II) port*
Monitor and log vehicle sensor data using on-screen digital gauges
Read and clear engine diagnostic trouble codes (DTCs)
Measure 0-60mph, ¼ mile times, and dyno plot
Transmission clutch gear learning*
Transmission touch point adjustment & clutch capacities*
TPMS Learning
*Available for AP3-NIS-006 and AP3-NIS-008 only.
Supported Part Numbers
AP3-NIS-005
AP3-NIS-006
AP3-NIS-007
AP3-NIS-008
Supported Vehicle List
2009 –2015 Nissan ADM GT-R
2009 –2013 Nissan East Asia GT-R
2009 –2014 Nissan EDM GT-R
2009 –2014 Nissan Gulf Spec GT-R
2008 –2014 Nissan JDM GT-R
2009 –2014 Nissan South Africa GT-R
2009 –2016 Nissan USDM GT-R
‘

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Supported Transmission List (AP3-NIS-006 only)
GT-R Transmission LC1 JF02A
GT-R Transmission LC1 JF04A
GT-R Transmission LC1 JF07A
GT-R Transmission LC1 JF07D
GT-R Transmission LC1 JF07E
GT-R Transmission LC2 JF03B
GT-R Transmission LC2 JF04B
GT-R Transmission LC2 JF09A
GT-R Transmission LC2 JF09D
GT-R Transmission LC2 JF09E
GT-R Transmission LC3 JW91A
GT-R Transmission LC3 JW91B
GT-R Transmission LC3 JW91C
GT-R Transmission LC3 JW91D
GT-R Transmission LC4 KB51A
GT-R Transmission LC4 KB51B
GT-R Transmission LC5 KJ10A
GT-R Transmission LC5 KJ10B
GT-R Transmission LC5 38B0A
GT-R Transmission LC5 38B0B
** Not all models will be supported at initial release
Supported Transmission List (AP3-NIS-008 only)
GT-R Transmission LC1 62B1A
GT-R Transmission LC1 62B1B
GT-R Transmission LC2 89S0B
** Not all models will be supported at initial release

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In-Box Contents
Accessport
Mount
Holster
Carrying Case
USB 2.0 A to
Micro B Cable
Customizable
Faceplate
Quick Start Guide
OBD-II Cable

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WARNING!
Installation and use of the Accessport may void all or a portion of the vehicle manufacturer's
standard warranty. There is no guarantee expressed or implied by COBB Tuning or any of its
affiliates for the use of the Accessport. The user accepts all risks and responsibilities when
using the Accessport.
WARNING!
Use of the Accessport while operating a moving vehicle is strictly prohibited by law. COBB
Tuning and its affiliates accept no responsibility for damages or injury caused by misuse of
the Accessport.
WARNING!
The Accessport may not be able to function if the vehicle's wiring has been modified. If
problems occur while using the Accessport, please verify that all wiring to and from the ECU
is correct and functional.

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Accessport Installation
Mounting Options
A universal ‘sticky’ mount is included with the Accessport. For the best results, we recommend installing
the mount vertically, and preparing the mounting surface with the included alcohol wipe.
NOTE: It’s important to note that not all surfaces provide a strong adhesive bond.
NOTE: The Accessport cradle is compatible with “Dual T” style mounts.
Pre-Installation
The Accessport comes with the most up-to-date software and map files available at the time of
shipment. However, it is possible that updated software and/or map files have been made available
since the time of shipment. Therefore, the recommended procedure is to connect the Accessport to the
AP Manager software and download the latest firmware for the target vehicle. Please visit
www.cobbtuning.com/apmanager to download AP Manager and to find a link for the AP Manager
manual.
If you have issues transferring maps or updating the Accessport while using USB 3.0 ports, please try
using a USB 2.0 hub adapter.
NOTE: The Accessport is preloaded with a default set of maps for all cars that it supports. This
includes Stage1 (all octanes), Stage2 (all octanes), Anti-theft, Economy, and Valet. If you would
like to view all maps available you can visit the Maps section of our website.
IMPORTANT!
For installation purposes, it is important to ensure that the vehicle's battery has adequate
power for both the Accessport and the ECU. Because of this, it is recommended that all in-
car electronics and vehicle lights are turned off during the installation process to reduce
drain on the vehicle's battery. For improved safety during installation, a car battery charger
can be connected to the vehicle during the installation process.

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Screen Capture
Screenshots can be captured by holding down the [CANCEL] button for two seconds. Any stored
screen captures can be retrieved by using Accessport Manager.
Getting Started
1. Insert the key into the vehicle's ignition and leave it in the OFF position.
2. Locate the OBD-II port under the left side of the driver's side dash.
3. Connect device to the OBD-II port. Plug the OBD-II cable into the OBD-II port under the dash of
vehicle. Then connect the small end of the OBD-II cable to the port on the bottom of the
Accessport.
4. Make sure the clasp on the OBD-II cable firmly engages with the port.

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5. Press the START/STOP button twice with your foot OFF the brake pedal to turn on the ignition,
but do not start the vehicle.
NOTE: The engine
should not be running.
6. Select [Install] from the Accessport menu by pressing the [OK] button to proceed with
installation.
Accessport Buttons:
Standard Tuning vs SD (Speed Density) Tuning
Standard Tuning uses MAF (Mass Air Flow) sensor for air flow calculations. COBB Tuning provides Off-
The-Shelf (OTS) maps created using this calculation method.
SD (Speed Density) Tuning uses MAP (Manifold Absolute Pressure) sensor for air flow calculations.
Users who prefer the vehicle to be tuned by this method must either have the vehicle professionally
tuned or generate their own Accesstuner Race map. The Accessport will not be pre-loaded with Speed
Density maps.

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Vehicle Identification
The Accessport will attempt to automatically determine the target vehicle for installation. Verify that the
identified vehicle is correct and press [OK] to confirm.
If an error occurs:
Please refer to the Troublshooting Section.
Map Selection
After the Accessport identifies the vehicle, it will present a list of maps. Maps that are not intended for
the identified vehicle are displayed in gray. The Accessport will reprogram the ECU with calibration data
from the map selected for installation; this will become the base data for the ECU. To ensure the best
performance, select the map that most closely matches the modification level of the vehicle.
If you are unsure about which map applies to your modification level, please visit the Maps section of
our website. You can find map notes for each of our maps by clicking on your vehicle and choosing
your intake type. The map notes will list the modification requirements for each of our maps.
Select a map and press [OK] to proceed with the installation. If you wish to see a longer description for
the highlighted map, press and hold the [OK] button on the desired map. After reading the description,
you can press [CANCEL] to go back to the map list or press [OK] to select that map and proceed with
the installation.
What Is A Map?
The Accessport reprograms the tuning parameters inside the factory engine control unit (ECU) using
map files, which contain specially written instructions for the Accessport to follow during the
reprogramming process. A map file can contain information for any number of different modifications or
enhancements to a vehicle, ranging from a race map for a heavily modified vehicle, to an economy map
for a stock vehicle. Through the use of the Accessport and different map files, the ECU can be
reprogrammed to accommodate virtually any vehicle configuration.
Save Stock ECU Program Data
After confirming the map to be installed, the Accessport will download the current stock ECU program
data from the vehicle. The Accessport saves this data for use during the uninstall process to ensure
that the vehicle is completely returned to stock. The download process will take a few minutes to
complete.

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WARNING!
If a previous installation of an Accessport is detected, you will be given the option to
overwrite it with a new installation. Be aware that the previous installation will be
permanently lost and unrecoverable. This detection may occur prior to saving the stock ECU
program data, in which case the ECU program data will not be saved. In the case of a
previous install, a stock ECU program supplied on the Accessport will be used when you
uninstall.
Install Accessport Programming
With the stock ECU data saved, the Accessport will automatically proceed with installation to the
vehicle. At this point, the Accessport reprograms the vehicle's ECU with new program data and
calibration parameters from the installation map file. This process will take several minutes to
complete.
Transmission Control Module (TCM) Flashing
If you are using an AP3-NIS-006 or AP3-NIS-008, after installing the new map on the ECU, the
Accessport will proceed with TCM flashing.
Follow the instruction to save stock TCM program data; it takes approximately 7 minutes to complete the
operation. Press OK to continue with saving the stock data, or press CANCEL to skip the process.
After the Accessport downloads and saves the stock TCM program data, it will proceed with installation
of TCM data to the vehicle. Choose from a list of TCM map options. For more information about what
TCM map to use, please refer to section “Transmission Control Modules”.

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WARNING!
Do not disturb the Accessport and the OBD-II connector while installation is taking place.
Failure to do so may result in incomplete ECU reprogramming which will render the vehicle
inoperable. If an error occurs during the reflash, the Accessport will enter Recovery Mode
and attempt to recover the reflash.
Installation Complete
Follow all on-screen prompts on the Accessport to complete the installation process. The Accessport is
now fully installed and ready for use and the vehicle's ECU and TCM, if applicable, are now
programmed with new calibration data. The Accessport does not need to be plugged into the vehicle
for the calibration to be in effect. You can disconnect the Accessport at this time or leave it plugged in
to use any of the many features outlined below.
Please note that the Accessport is designed to work with only one vehicle at a time. Once the
Accessport is installed, it cannot be used with another vehicle until it is uninstalled from the
original vehicle.

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Accessport Features & Functionality
Gauges
The Accessport can read sensor data from the factory ECU and display it
as an on-screen gauge. This feature allows the Accessport to function as an auxiliary gauge displaying
boost, RPM, temperature, or any number of other parameters available in the factory ECU.
The Accessport can also record sensor data from the factory ECU while you drive. With the ability to
store multiple sessions, the Accessport can function as a complete engine datalogger and diagnostic
tool. To begin datalogging, press the [OK] button while in the Gauges function. While the Accessport is
recording a datalog, a single light blue light will scroll in the shift light. To stop datalogging, press the
[OK] button again. To view the results of your datalog sessions, simply connect the Accessport to your
PC and retrieve the results using the AP Manager software. Data Log recordings are stored in a .csv
(Comma Separated Values) format and are easily viewed using any spreadsheet application.
When you first select the Gauges function you will be defaulted to the Change Gauge Layout list so you
can select which layout you prefer.
Currently Selected Monitor
U Current Monitor value
Minimum/Maximum value since watching this Monitor
Unit of measurement
Shift light and datalogging indicator

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Press the [Up] or [Down] button to select the header. Then press the [Down] button to highlight the
monitor you would like to interact with and press [OK]. You will then be presented with the following
options.
Change Monitor –Select the monitor that will be shown in the selected gauge
Note: While in the Change Monitor list, you can press [UP] to find a Sort Monitors option. This
option will sort all monitors in reverse alphabetical order.
Reset Current Min/Max –Reset the minimum and maximum values of the selected gauge
Reset All Min/Max –Reset the minimum and maximum values of all gauges
Setup
To enter the Setup function, press the [Up] button to select the header. Now press the [Up] key to
highlight the arrow button next to Setup and press [OK] to view the sub-menu.

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Change Gauge Layout –Select a gauge layout from a single large gauge, to many small gauges
Change Units –Set the unit scheme
Configure Shift Light –Adjust the RPM of the Shift Light
Configure Datalogging –Select which monitors to datalog
Change Gauge Layout
The Accessport has the ability to display between 1 - 6 gauges in different preset formats. The formats
are as follows:
One Gauge Two Gauges Three Gauges
1 Large Digital Gauge 1 Large Digital Gauge 3 Small Digital Gauges
w/ Bar Gauge 1 Small Digital Gauge w/ Bar Gauges

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w/ Bar Gauge
Four Gauges Five Gauges Six Gauges
2 Small Digital Gauges 1 Small Digital Gauge 6 Small Digital Gauges
w/ Bar Gauges w/ Bar Gauge
2 small Digital Gauges 4 Small Digital Gauges
Change Units
Metric –This unit scheme uses metric units: C, kph, kPA, Lambda
Metric w/ AFR –This unit scheme uses metric units (excl. AFR): C, kph, kPA, AFR
Imperial –This unit scheme uses imperial units: F, mph, PSI, AFR
Configure Shift Light

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Press [OK] and using the [Up] and [Down] buttons, set the RPM to the desired level to have the shift
light flash. Press [OK] to save the RPM you have selected. By default, the shift light RPM is set above
the stock redline. This essentially disables the shift light since that RPM will not be reached. You will
need to lower the shift light RPM to enable this feature.
Press [UP] to find the Setup option for the Shift Light, where you will find the following options:
Disable Shift Light –Disables the shift light function and removes the shift light from the gauges
screen.
NOTE: When you initiate a datalog, the shift light will reappear to notify you that you are logging.
Reset Shift Light –Resets the shift light back to the default value.
Configure Datalogging
This list allows the user to enable and disable items for logging. Only monitors with a green circle will be
recorded while using the datalogging feature. A default log list including a group of monitors complied
by our in-house tuners has been provided. You can make changes to the log list by highlighting a

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monitor and pressing the [OK] button to activate/deactivate it for logging. Pressing the [Cancel] button
will save any changes you have made to the datalog list.
Press [UP] to find the Setup option for Configure Datalog where you will find the following options:
Sort Monitors –Sort the monitor list alphabetically, then reverse-alphabetically
Clear Monitors –Clear all monitors from the datalog list
Reset to Defaults –Restore the datalog list to the default list
NOTE: You will be notified if you have exceeded the recommended amount of monitors to record
in one datalog. If you receive this prompt, reduce the amount of monitors you are recording.
NOTE: The Accessport is only capable of datalogging while the ignition is turned to the ON
position. The Accessport will display an error message if it cannot communicate with the vehicle.
NOTE: Up to 10 log files can be stored on the Accessport. Use AP Manager to delete unneeded
logs. If datalogging is started when there are already 10 log files on the Accessport, the log file
with the lowest numerical value will be automatically overwritten.
NOTE: The 10 log files can be a combined length of 2+ hours long.

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Performance
The Accessport can calculate several performance measurements.
NOTE: The Accessport is only capable of calculating performance test results while the ignition
is turned to the “ON” position. The Accessport will display an error message if it cannot
communicate with the vehicle.
0-60 MPH
To record the 0-60 MPH performance, select this menu option and follow the on-screen instructions. A
time slip showing the performance results will be displayed at the end of the performance test.
¼ Mile
To record the ¼ Mile performance, select this menu option and follow the on-screen instructions. A time
slip showing the performance results will be displayed at the end of the performance test.
Dynamometer
Use this feature to estimate your vehicle's wheel horsepower and torque. This can be used to see the
actual performance gains of part upgrades.
NOTE: You will be prompted to enter a vehicle weight, test gear, and RPM range for the test. This
data will be stored for future use.
Press [UP] to find the Setup option for Performance where you will find the following options:
Change Units
Metric –This unit scheme uses metric units: C, kph, kPA, Lambda
Metric w/ AFR –This unit scheme uses metric units (excl. AFR): C, kph, kPA, AFR
Imperial –This unit scheme uses imperial units: F, mph, PSI, AFR