Fiberall Technology (Shenzhen) Co., Ltd is a Chinese enterprise specializing in R&D and production of automotive diagnostic tools. In order to keep pace with the world's advanced auto diagnostic technology. As well as enhance the exchange of automotive diagnostic technology. And provide better, more

How to use a obd code reader?When you enjoy driving on the road, the malfunction indicator light up during driving and shows: "check engine". What does it mean? The engine is a very large and complex machine, so the "check engine" does not produce many answers.

Fiberall does not provide OBM or standard neutral automotive diagnostic tools only. ODM customized service for vehicle diagnostic tools is also available. We mainly specialize in three type of automobile diagnostic tools. 1, Mini type OBD code reader (Bluetooth type, Wi-Fi type, USB type); 2, Handheld type obdii diagnostic scan tool ( DTC code reader, diagnostic scanner, battery tester etc.); 3, Pad type comprehensive automotive diagnostic equipment. This article mainly focuses on OEM service of handheld auto diagnostic tools. And takes V311A as sample. Fiberall provide various customized features for the car diagnostic tool. Including label, housing, obd2 cable, obd connector, press key, user manual, packing and so on.

This operation instruction is for Fiberall V311B auto battery tester and diagnostic tool. The diagnostic tool is for vehicle with 12V battery and the article tell user what should be prepared before test. It introduce each part of the battery diagnostic tool and help the user know the meaning of each press key. Main parameters makes user know basic information of the diagnostic tool. The main content of the article is to tell the user how to operate each function, including battery test, start test, charging test, setting of diagnostic tool, buzzer switch, screen capture settings, diagnostic tool self-test, print. Each part is with detail description and screenshot, user is able to operate the battery diagnostic tool easily with following of this article. User can find user manual with the same content of this article in the package of V311B auto battery tester and diagnostic tool.

Fiberall provide 12 months warranty for all our auto diagnostic tools and related products. Object of warranty must be purchased in bulk from formal channel of Fiberall. Buyer have right to request free warranty service in case of non-artificial reason failure within one year from the date of receiving. But damage caused by dismantling and repairing without permission or authorization, damage caused by improper use or maintenance, intentional damage, accidental damage, damage caused by force majeure and so on, Fiberall will disqualify the warranty for the obd diagnostic tool. Please hand over complain to us according to the listed process. We provide replacement or maintenance for the diagnostic tool accordingly to different situation and the car diagnostic tool will be retuned to user as soon as the problem is solved. As a professional manufacturer of auto diagnostic tool, Fiberall will continue to provide you with the best products and services.

ECU is like a brain of vehicle and it is able to obtained vehicle information like trouble code and other real time data from the vehicle, and our trouble code reader is a obd device which is able to transmit the obtained data to app of mobile phone, mac or computer, so that user can use a obd adapter to see the ecu information. This article introduce working logic of the ECU, working principle between ECU and fault code reader and how to select a correct trouble code reader to use with the ECU.