汽车检测（Automobile Inspection）.docVIP

汽车检测（Automobile Inspection） 1. car failure: the phenomenon of partial or complete incapacity of a car, in essence, changes in the state of coordination between the parts of the car itself or parts. The classification of 2. vehicle fault: local fault and fault completely; the minor faults, serious faults common fault, fault, the natural and man-made fatal fault fault and sudden failure and progressive failure and persistent fault and indirect fault the fault and visibility of potential fault 3., automobile fault diagnosis meaning: means in the case of no disassembly, determine the technical status of the car, identify the fault location and the cause of the failure of automotive application technology. 4. automobile fault diagnosis method: artificial experience diagnosis method, modern instrument and equipment diagnosis method. 5., the cause of the car failure: parts failure (natural wear or abnormal wear between parts). 6. wear rule of automobile parts: the running in period of parts, the normal working period and accelerating wear period. 7. the fault diagnosis methods of electronically controlled engine are: instrument diagnosis method, fault indicator light diagnosis method and artificial experience method. 8. electric control engine fault diagnosis of the general principles: first think, first, outside, after, fault code priority, first after the complex, first cooked, epigenetic, first prepared after use. 9. simulation methods of fault symptom: vibration method, heating method, water drenching method, all electric connection method. 10., injector detection: fuel injector coil resistance, control lines, fuel injection, atomization effect and needle valve stagnation and leakage detection. 11. electronic control engine fuel supply system failure: first, not to oil; 2 mixed gas too thin; mixed gas too thick. 12., the main factors affecting the engine abnormal sound: speed, load, cylinder position, temperature, work cycle, lubrication conditions. 13. engine common a