All electronically controlled engines will save DTCs in ECU memory after sensor out of normal operating range. When problems monitored, they will be sent back to ECU, some serious problems will cause yellow or red diagnostic light on instrument panel lighten, when yellow light on, power and RPM of engine will reduce; when red light on, indicates the problem that sensor detected is serious. If ECU has stop control function, then this function will be triggered. Some electronic control system h
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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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Vehicle model: Dongfeng Kingrun

Year: Junly, 2009

Engine type: ISDE18.530

VIN: LGAX2BG4291012183

Pic.1 Cummins

Principle and operating method of Cummins service light reset

A Dongfeng Kingrun has travelled 58,634 km, the 11th to maintain, there will be a wrench (see Figure 2)

Pic.2 instrument wrench

prompt
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  Basic setting method and steps

① Turn on ignition switch and not start engine.(Take Santana 3000 as an example to illustrate matching process)

②Connect F3-D truck scanner (use OBD-II connector), select and click VW A
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 Fcar auto diagnostic tool can diagnose systems such as: Engine, ABS, Transmission, Airbag, Body Electronic equipment, Smart Key System, Anti-theft System, Power Steering, Cruise System, Instrument System, Gateway, Air-Conditioning System, Sound System, Light System...

The whole control system of a vehicle is composed of many subsystems (sensors, actuator elements, power supply, controller) circuit composed. Therefore, the content of trouble cod
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