Solution: As there are various models and brands in china, engine electronic control systems can be domestic independently developed, or from joint ventures, import. Because the difference of the brands and the technology capabilities of each vehicle manufacturers, domestic vehicle engine management system can be divided into combined electronic control system, Delphi electronic control system, Marelli electronic control system, SIMENS electronic control system, MOTOROLA, BOSCH etc.. Just Delphi
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I will take Take Audi as an example. Modern car setting transportation mode: during storage and transportation, manufacturers restricted partial functions of comfort system and radio: Such as door alarm light not warning anymore; connect No.15 power line, interior light, footlight, trunk light not on; Not connect No.15 power line and when open door, interior light on for maximum of 30s and then off; Radio cannot switch on. The reason lies in further restriction on discharging of battery, so as t
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Usage of Auto Diagnostic Scanner Troubleshooting Method,Can use one or more methods listed below to troubleshooting electronic-controlled engine.

（1）Self-diagnosis: Have visual inspection on part or components that might be faulty, and use pressure gage to check inlet pressure, exhaust pressure and fuel pressure.

（2）Manufacturer provides troubleshooting guide or manual: Refer to index o
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New model of Audi A6L/A8L/Q7 with electronic parking brake system, rear brake cylinder with electronic parking brake motor, cannot compress motor manually, must through withdrawal and release of vehicle code reader. Operation steps:

1, Connect Fcar Audi code reader
2, Turn on the ignition switch;
3, Select ”Parking brake”;
4, Select ”Basic adjust”;
5, Input matching value”007”;
6, Remove tire and replace 2 rear wheel new brake pads;
7, Select “Basic setting”;
8, Input m
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New model of Audi A6L/A8L/Q7 with electronic parking brake system, rear brake cylinder with electronic parking brake motor, cannot compress motor manually, must through withdrawal and release of vehicle code reader. Operation steps:

1, Connect Fcar Audi code reader
2, Turn on the ignition switch;
3, Select ”Parking brake”;
4, Select ”Basic adjust”;
5, Input matching value”007”;
6, Remove tire and replace 2 rear wheel new brake pads;
7, Select “Basic setting”;
8, Input m
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