“May†is a good term to be expected in people’s minds, not only the “May 1 holiday†we are familiar with, but also almost every time this year, the weather changes from warm to hot, before entering the summer heat and heat The alternate transition period is the point of time when the younger ladies wear short-sleeved skirts. For the high-tech and high-precision products such as automobiles, the alternation of the season is also a factor in its failure. Therefore, in the hot summer weather, in the frequent rain, Xtool Long Ren PS90 series diagnostic equipment, you can have a comfortable and safe driving environment escort.
Today, a car produced in 2014 was sent to the shop to repair the fault of the wiper not working. After the pick-up, the wiper switches were placed in low speed, high speed and intermittent gear respectively. The wipers did not work, but the washing motor did not work. The washing liquid can be sprayed normally. With the fault detector PS90 detected, no fault code storage, view the relevant data flow when the wiper switch is turned on, the wiper motor command is closed, indicating that the multiple integrated controller (MICU) received the wiper switch signal, but No work order was issued and the MICU was suspected of being damaged and the wiper motor work instructions could not be issued.
Analysis of the circuit diagram can be seen, after turning on the ignition switch, the wiper as low gear, MICU control wiper intermittent relay and wiper high-speed, low-speed relay work, wiper motor running at low speed, the wiper placed High-speed gear, MICU only controls wiper intermittent relay work, wiper high-speed/low-speed relay does not work, wiper motor runs at high speed. Understand the wiper control principle, directly to the dashboard under the fuse box terminal E22 ground signal, the wiper motor running at high speed, and then directly to the dashboard under the fuse box terminal E29 ground signal, wiper motor running at low speed Check the fuse box conductor connector under the instrument panel. The connection is reliable and the terminal is free from loosening, oxidation, and other abnormal phenomena. The diagnosis of the MICU is determined by the above content. After replacing the fuse box under the instrument panel (MICU is integrated in the fuse box under the instrument panel), the wiper is working properly and the fault is eliminated.
Take the above fault analysis as an example, the Xtool PS90 series products cover the matching flexibility of more than 1,000 mainstream models of European and American Asian and domestic models, and are equipped with a quad-core processor and large memory, with 9.7-inch screen and 10-hour battery life, and Bluetooth function. HDMI and USB interface, etc., to achieve a simple and convenient operation, rapid response to the fault, a full range of diagnostic functions, system stability, timely upgrades, and other features, more 2000GB auto maintenance information and professional and technical team Q & A remote diagnostic module. In addition to all the work content of the diagnostic instrument, Xtool PS90 series products also have anti-theft matching, maintenance lights zero, instrument mileage adjustment, tire pressure reset, EPB electronic brake, electronic steering match, EEPROM adapter, ABS exhaust, ECU Reset, throttle matching, suspension system, exhaust gas after-treatment, headlight adjustment and other functions, has become a multi-functional diagnostic instrument favored by medium and small auto repair and maintenance companies in China. Combined with the common physical problems of the wiper of the vehicle (wiper wipers at both ends of the slightly tilted, the middle part can not fit the windshield glass, the work of jitter, abnormal noise at work, parts fall off, installation errors, rubber fouling, corrosion - rubber wear, Rubber hardening, rubber cracking, squeaking noise or other noise) can be the reason for most or typical wiper faults and faults. Following this order and thinking, can basically solve effectively. According to the market reaction, the distribution of lines of some cars is too compact. In the routine system diagnosis, the factors that cause short-circuits due to wear of space-generated lines must also be taken into consideration.
After years of technical accumulation, Xtool has been in the leading position in the industry. The company has more than 130 professional R&D teams, has a large number of more than 10 years of R & D experience in the software and hardware senior technical personnel and senior engineers, has a wealth of vehicle model resources and powerful underlying data analysis, processing capabilities, and a powerful cloud platform R & D strength, form a strong industry barriers. Its PS90 series products are based on the PS80, improving the specifications of each link, from the hardware appearance to the internal operating experience, all bring new feelings to customers. Whether it is the air-conditioner that causes the compressor to slip, or the out-of-air cooling anomaly, the Xtool PS90 can help junior technicians perform fault diagnosis on more than 95% of models.
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