Filename: DTC BMW Introduction to Coding & Programming pdf Download (Bulletin)
Language: English
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It is a process utilized by BMW to load application/system specific operating instructions. (Program) into a module/component which already has the systems …
What is Coding?
It is a process utilized by BMW, which groups system specific operating requirements (Data) together and then assigns a label/code to each of these groups of data. The various groups of data are all pre-loaded into system specific “codable” control modules, along with a basic set of operating instructions (Program).
Types of operating requirements:
• Nominal values of device input signals (0.25V to 2.5V, 5W – 25W, …)
• Type of device input signal (PWM, square wave, analog …)
• Operational parameters (device activation/deactivation time, …)
• Market specific operations (O2 Sensors, Fuel Type, Emission Control, …)
• Country Specific Regulations (U.S., Canada, Japan, UK, ECE, …)
• Powertrain Configurations (Manual, Auto, TLEV, ULEV, SULEV, Diesel, …)
The procedure of assigning one specifically labeled group of data to the operating program of a specific control module/component is referred to as “coding”.
A “codable” control module has a basic operating program already installed along with several specific variations of operating data. The coding process allows a specific set of operating data to be assigned to the basic operating program of that module/component, with respect to its specific application.
(Program) into a module/component which already has the systems operating requirements (Data) installed, plus it can be used as a means of updating data and operating instructions previously installed in a control module.
Basic programmable control modules have a pre-defined set of operating data already installed which allows the module to be fairly generic until a specific operational program is installed.
What is the Purpose of Coding and Programming?
As a global manufacturer, BMW must design a large variety of control modules to meet numerous vehicle requirements pertaining to issues such as:
• Country Specific Regulations (U.S., Canada, Japan, UK, ECE, …)
• Vehicle Equipment Level (Phone, Navigation, HiFi, IHKA, IHKR, …)
• Vehicle Powertrain Configurations (Manual, Auto, TLEV, ULEV, SULEV, Diesel, …)
• System Specific Operating Requirements (Nominal values, type of input signal, …)
By using Coding and/or Programming, the large variety of control modules needed can be reduced to a smaller number of model specific hardware variations.
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