Volkswagen Jetta sedan engine does not start

A mileage about 85000km 2007 Volkswagen Jetta sedan. The owners said: the car is parked overnight engine can not start failure.     Pick-up: First, connect the 車用故障診断ツール fault detector read fault codes, the tune of the content of the fault for the engine computer to disable. Then the engine ECU to be checked. It was found that it is soaked in water. To further confirm the specific fault occurrence site, followed by the five basic conditions of the engine work checked one by one, and found no high-pressure fire. And the injector is not working properly, the power of work. Basic circuit of the ECU, a careful examination, no abnormalities were found. At this point, determine the initial failure may be caused by the ECU water. In order to determine the point of failure, remove the ECU to open its shell checks. Found that its internal signs of corrosion, without the slightest water and electronic components solder joints are good. No oxidation Weld traces. Re-clean troubleshooting ideas, a thorough investigation and related lines one by one, the problems were not found.

     Try to start the engine again accidentally found the ignition switch is placed in the ACC gear the EPC indicator light on the instrument obd2コネクタ panel is not lit, while the anti-theft indicator lights, and odometer mileage data can not be displayed properly, through trial and several are. Connection failure detector again into instrumentation systems, ready to detect whether the system fault codes stored Results fault detector "The system can not enter, and then on the instrument line measurement and inspection, without any exception. Fault detector detects a working with the vehicle instrumentation systems, and found very smoothly into the instrument system, and function data were normal, this point can be sure the point of failure in the combination dashboard itself.


     Remedy: Replace the combination meter bmw診断機 assembly and re-encoding. www.kobd2.jp