Taking NXP’sTJA1028 as an example, this article explains the working principle of the LIN chip. TJA1028 is a transceiver integrated with a low-dropout regulator, compliant with LIN 2.0/2.1/SAE J2602 and ISO17987-4:2016 (12V) standards. The maximum output current of the regulator is 70mA, providing both 3.3V and 5.0V versions. To support reliable designs, TJA1028 offers strong … Read more
◆◆Mercedes-Benz E200 Air Conditioning Not Cooling◆◆ (1) Failure Symptoms The chassis model of this vehicle is W211, equipped with an M272 engine. The air conditioning system is not cooling, and the two air outlets in the center of the dashboard are not blowing air, while the side outlets are blowing hot air. (2) Diagnosis and … Read more
In previous articles, we have completed discussions related to module testing. Starting from this section, we will introduce tests related to PACK, beginning with some knowledge about communication to lay the groundwork for subsequent chapters. In communication, we often encounter the term bus, such as address bus, data bus, control bus, etc. The English term … Read more
1. Self-Diagnosis of LIN BusWhen performing self-diagnosis on the LIN data bus system, the address code of the LIN master control module must be used. The self-diagnostic data is transmitted from the LIN slave control module to the LIN master control module via the LIN bus. All self-diagnostic functions can be completed on the LIN … Read more