are ecu and pcm the same?
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The terms PCM (Powertrain Control Module), ECU (Engine Control Unit) and ECM (Engine Control Module) can sometimes be used as interchangeable generic phrases for the same thing - a control unit for the engine/transmission system.
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Both PCM and DPCM techniques suffer quantization error and distortion but in different extent. DPCM requires less bandwidth while PCM works on higher bandwidth. ... On the contrary, PCM has a better signal-to-noise ratio. PCM is used in audio, video and telephony applications.
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A voltage regulator module (VRM), sometimes called processor power module (PPM), is a buck converter that provides a microprocessor the appropriate supply voltage, converting +5 V or +12 V to a much lower voltage required by the CPU, allowing processors with different supply voltage to be mounted on the same ...
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A power-train control module, abbreviated PCM, is an automotive component, a control unit, used on motor vehicles. It is generally a combined control unit, consisting of the engine control unit (ECU) and the transmission control unit (TCU). ... The PCM commonly controls more than 100 factors in a car or truck.
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PWM and PPM Introduction PWM stands for Pulse Width Modulation and PPM stands for Pulse Position Modulation. PWM is a technique used to relay data in the form of a varying pulse width. In PPM (Pulse Position Modulation) the analogue sample values determine the position of a narrow pulse relative to the clocking time.
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Not anymore. Today, you can simply plug a device called a performance tuner into your car's OBD2 diagnostic port that will monitor and improve performance over time. ... OBD2 performance chips insert directly into your car's OBD2 port. From there, the device analyzes everything the ECU does and works to make improvements.
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In fact, entire machining operation is carried out in a vacuum chamber. In ECM, the workpiece as well as the tool is immersed in a suitable electrolyte to assist electrochemical dissolution. During EBM process, X-Ray generation takes plane. It possesses health risk to the operator.
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At low speed the ECM is over 30% more efficient than a standard induction motor. The ECM motor has a minimum efficiency of 70% throughout its entire operating range. Conventional induction motors become less efficient at the reduced speeds that are typically selected for fan powered applications.
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Non-Volatile Memory Manager (NvM): The NvM module ensures data storage and maintenance of NV (non volatile) data according to the individual requirements in an automotive environment. The NvM module manages the NV data of an EEPROM and/or a FLASH EEPROM emulation device.
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ECM Motors = Energy savings and added functionality PSC motors, or permanent split capacitor, use non-polarized capacitors and brushes to deliver electricity to the rotating parts. These brushes are known to wear out over time. ECM motors do not use brushes, thereby reducing maintenance and extending service life.
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Corrosion and moisture Corrosion or damage due to moisture is one of the main reasons for ECM failure. Corrosion can enter the ECM through the wiring harness and moisture can enter by a failure in the seals in the ECM itself. This happens over a period of time (5 to 10 years) due to the ECMs exposure to the elements.
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Bitstream audio means the receiver will decode all the sound, this is generally the easiest option for newer AVRs. PCM means the device itself decodes the sound and sends it. It's exactly the same sound either way.
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Textron Specialized Vehicles Delivers Closed-Loop EFI Technology for E-Z-GO® and Cushman® ... (NYSE: TXT) company, introduces closed-loop electronic fuel injection (EFI) technology on all E-Z-GO RXV® and TXT® golf car models and for Cushman's Hauler®, Refresher® and Shuttle® vehicles.
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EccppAutoParts. Welcome to ECCPP, we commit to provide you the best innovative, quality products & professional services with competitive prices. Our mission is to provide each customer the best possible shopping experience for automotive parts & accessories. We look forward to serve you for your vehicle needs!
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With ECC 5.0 SAP introduced SAP Financial Supply Chain Management (FSCM). Key objective is to bring business processes on the receivables and collection side within SAP solution thus providing more value. ... As with other SAP products this has also evolved over a period of time.
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Element ( em ) and Root element ( rem ) are responsive units interpreted into equivalent px unit by the browser. They are relative units. Change in the value of the parent or root element affects the value of relative units. ... The computed pixel value of rem unit is relative to the font size of the root (html) element.
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The bit transitions are necessary to recover timing synchronisation that might not be otherwise available due to NRZ encoding. CRC delimiter: the ECU needs some time to calculate the CRC and hence a delimiter bit is introduced to buy some time for the ECU....