11.1.4 Load Sites
Line Pressure Duty Cycle – 2% TPS divisions – 1% Duty Cycle
7 Gear Shift profiles
4 Tuning profiles
12.Firmware Programmer
The firmware programmer allows the agents or users to change the Firmware program in the
SPITRONICS TCU for different Transmissions. This is also used for upgrading to the latest
version of the manufacturers firmware. The programmer is bought optional and not a requirement.
It is very useful if the agent is far from the manufacturer. The firmware software is free as it is
developed. Read the Precautions below to prevent damage.
12.1 NB! Precautions
• Note however that you may not program firmware into an EMU or TCU or TCU if it was not
written for that specific electronic hardware. The setup of the micro processors is different
and you may connect inputs to outputs that will damage the processor or the electronics.
E1 Firmware is for EMU and E2 Firmware is for SPITRONICS TCU.
• A Type 3 or Standard TCU can only take T3 firmware programs. If you load T11 or T15 in,
the Yellow LED will flash twice when you switch it on and will not allow you to save the data
profiles.
• A Type 11 or Intermediate TCU can take T11 and T3 firmware programs. If you load T15 in,
the Yellow LED will flash twice when you switch it on and will not allow you to save the data
profiles.
• A Type 15 or Advance TCU can take T15, T11 and T3 firmware programs. This will allow
the user any combination as this TCU is the top of the range.
• Never press the button in the Programmer Software. This will erase the
TCU ID Code and then it will not work. The Yellow LED will flash three times when you
switch it on and hang the processor. This TCU will have to be reprogrammed by the
manufacturer.
• Always disconnect the 10 Way output harness from the TCU. When the programmer is
connected all the outputs are switch to the high state which means that coils and injectors
will be switched on. This may damage the coil drivers or coils and fill the Transmission with
fuel.
• Follow the Startup Procedure to make sure that the right firmware and settings is loaded to
prevent damage.
12.2 Installation
On the CD in the Firmware Programmer File run the setup file mcu_ide.exe to install the software
program. If you do not have the programmer software you may download the latest version from
the internet at the following link:
http://www.silabs.com/Support%20Documents/Software/mcu_ide.exe
Follow the onscreen instructions till you are asked for the following. Click on Custom and uncheck
Examples and Utilities.
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