What does pwd mean?
3 Answers
pwd refers to the sport mode. The functions of sport mode are: 1. To keep the vehicle with sufficient torque and enhance power performance; 2. The suspension becomes stiffer, the support force increases, the throttle sensitivity is enhanced, and the engine intake increases; 3. The high engine speed can also help the engine remove carbon deposits. The correct way to use sport mode is: 1. Shift the gear to D gear and push the gear lever to the right, the transmission first enters sport mode; 2. Use the method of pushing the gear lever forward and backward to shift gears, pushing forward to upshift and pushing backward to downshift; 3. To switch to automatic mode, simply push the gear lever to the left to the D gear position to complete the shift up or down.
In our auto repair shop, pwd refers to printed wiring diagrams, like a world map of circuit boards, allowing quick problem localization. I remember last month when repairing a Toyota, the owner complained about reverse radar failure. I pulled out the pwd and immediately spotted a desoldered sensor connection, saving hours of testing. Modern cars have lots of electronics, making pwd essential for troubleshooting complex issues. These diagrams are commonly found in service manuals or online databases and are indispensable when repairing electronic control systems like ABS or air conditioning. For beginners encountering circuit faults, I recommend first learning to read pwd schematics to avoid unnecessary hassle. Of course, not all vehicles provide complete diagrams, so it's crucial to source them from reliable official documentation.
As an automotive design engineer, PWD stands for Printed Wiring Diagram, which is the core blueprint during the design phase. It illustrates the layout of every trace on the circuit board, ensuring smooth communication between sensors and the ECU. When designing new vehicle models, I use PWD to prevent short circuits or electromagnetic interference, such as critical connections in the battery management system. It also plays a significant role in maintenance—diagnosing trouble codes by cross-referencing with the PWD helps trace issues to their root. This isn't just a drawing; it's the cornerstone of reliability. Building a car without it would be as dangerous as flying blind.