What is Porsche PCM?
1 Answers
Engine Control Module. The ECU (Electronic Control Unit), also known as the vehicle's onboard computer, is the central module that all other modules in the car communicate with. The PCM (Powertrain Control Module) is responsible for receiving sensor signals and performing complex calculations to control fuel supply, air distribution (electronic throttle), injection and ignition timing, intake pressure adjustment, as well as determining engine compensation control coefficients based on factors such as temperature, load, knock, and combustion conditions. Additional relevant information is as follows: 1. Introduction: Modern digital transmission systems use the Pulse-Code-Modulation (PCM) system. Initially, PCM was not designed for transmitting computer data but rather to enable a single trunk line between switches to carry more than one telephone signal. PCM has two standards: E1 and T1. 2. Services: PCM can provide users with a variety of services, including digital data leased line services with rates ranging from 2M to 155M, as well as other services such as voice, image transmission, and distance learning. It is particularly suitable for users who require higher data transmission rates and greater bandwidth.