摘要:
In a diagnostic system, messages which have occurred are collected and buffered with a short diagnostic test which is implemented in a control unit onboard the vehicle. The collected data are then transmitted into a memory area of the portable electronic driving authorization record, which therefore always contains the result of a short diagnostic test which has been carried out onboard. The result of this short diagnostic test is read out from the memory of the driving authorization record with a computer system in the customer reception of a servicing workshop, and is processed with a more wide-ranging diagnostic algorithm which builds on the result of the short diagnostic test.
摘要:
A vehicle diagnosis system for ascertaining, storing and transmitting diagnosis data from control units in a motor vehicle to a computer outside of the motor vehicle has components which are inside of the vehicle and components which are outside of the vehicle. The onboard components are capable of autonomously requesting diagnosis data from control units, buffer-storing the diagnosis data and of transmitting the diagnosis data to offboard components. The offboard components can be used to configure the onboard components, to visually display the transmitted data and to forward said data to subsequent systems. Access is effected using a communication module, which is preferably implemented in a diagnosis control unit with a dedicated gateway and which is not the control unit for the central locking. A gateway for diagnosis applications is present in the vehicle in the case of vehicles with a diagnosis CAN bus or with another diagnosis bus.
摘要:
The invention relates to a motor vehicle diagnostic system for acquiring and storing diagnostic data and transmitting them from control units in a motor vehicle to a computer outside the motor vehicle. The system is composed of components which are located inside the vehicle and of components which are located outside the vehicle. Using a transmission module, in which a short diagnostic test is implemented, diagnostic data from onboard components are interrogated and are transmitted via a WLAN link to the computer system of a service company. The diagnostic data of the onboard components can be further processed using the computer system. The disclosed invention is aimed in particular at assisting a service employee in the vehicle reception of a service workshop.
摘要:
The solution is arrived at with a computer-based diagnostic tester which can exchange information with the control devices installed in the motor vehicle using a diagnostic program via a diagnostic interface and via data lines. The motor vehicle-mounted control devices have program routines for self-diagnostics of the control devices and are capable of storing identified faults in the form of fault codes in reserved memory areas. The diagnostic program which is implemented in the diagnostic tester reads the fault codes out from the reserved memory areas, interprets the fault codes and displays them on a display together with the interpretations. In order to check to what extent repairs which have been performed have been successfully concluded, status polling is carried out using the diagnostic program implemented in the diagnostic tester. During this status polling, the status information of all the fault codes known in the system is interrogated and evaluated. In the process, all the fault codes whose fault setting conditions have either been tested positively or whose test requirements were not present in order to be able to carry out a test are displayed. A method for improved checking of repairs is also presented with the diagnostic tester.
摘要:
The invention relates to a computer-based diagnostic tester which can exchange information with the control devices installed in the motor vehicle using a diagnostic program via a diagnostic interface and via data lines. A method for improved checking of repairs is also presented with the diagnostic tester. The motor vehicle-mounted control devices have program routines for self-diagnostics of the control devices and are capable of storing identified faults in the form of fault codes in reserved memory areas. The diagnostic program which is implemented in the diagnostic tester reads the fault codes out from the reserved memory areas, interprets the fault codes and displays them on a display together with the interpretations. In order to check to what extent repairs which have been performed have been successfully concluded, status polling is carried out using the diagnostic program implemented in the diagnostic tester. During this status polling, the status information of all the fault codes known in the system is interrogated and evaluated. In the process, all the fault codes whose fault setting conditions have either been tested positively or whose test requirements were not present in order to be able to carry out a test are displayed. The fault codes which are to be displayed are firstly stored here in one or more primary first fault memories, read out and then copied into a secondary, second fault memory. This permits the use of the total reset of the primary fault memories which is prescribed in the USA for diagnostic systems without information which is relevant to the checking of repairs in the second fault memory being lost.
摘要:
The invention relates to a computer-based diagnostic tester which can exchange information with the control devices installed in the motor vehicle using a diagnostic program via a diagnostic interface and via data lines. A method for improved checking of repairs is also presented with the diagnostic tester. The motor vehicle-mounted control devices have program routines for self-diagnostics of the control devices and are capable of storing identified faults in the form of fault codes in reserved memory areas. The diagnostic program which is implemented in the diagnostic tester reads the fault codes out from the reserved memory areas, interprets the fault codes and displays them on a display together with the interpretations. In order to check to what extent repairs which have been performed have been successfully concluded, status polling is carried out using the diagnostic program implemented in the diagnostic tester. During this status polling, the status information of all the fault codes known in the system is interrogated and evaluated. In the process, all the fault codes whose fault setting conditions have either been tested positively or whose test requirements were not present in order to be able to carry out a test are displayed. The fault codes which are to be displayed are firstly stored here in one or more primary first fault memories, read out and then copied into a secondary, second fault memory. This permits the use of the total reset of the primary fault memories which is prescribed in the USA for diagnostic systems without information which is relevant to the checking of repairs in the second fault memory being lost.
摘要:
The solution is arrived at with a computer-based diagnostic tester which can exchange information with the control devices installed in the motor vehicle using a diagnostic program via a diagnostic interface and via data lines. The motor vehicle-mounted control devices have program routines for self-diagnostics of the control devices and are capable of storing identified faults in the form of fault codes in reserved memory areas. The diagnostic program which is implemented in the diagnostic tester reads the fault codes out from the reserved memory areas, interprets the fault codes and displays them on a display together with the interpretations. In order to check to what extent repairs which have been performed have been successfully concluded, status polling is carried out using the diagnostic program implemented in the diagnostic tester. During this status polling, the status information of all the fault codes known in the system is interrogated and evaluated. In the process, all the fault codes whose fault setting conditions have either been tested positively or whose test requirements were not present in order to be able to carry out a test are displayed. A method for improved checking of repairs is also presented with the diagnostic tester.
摘要:
The phase-locked loop has a pulse generator has a phase detector which is intended to compare a reference signal with an oscillator signal, and a detector output for tapping off a phase comparison signal. The pulse generator is used to produce a pulse-width-modulated pulse signal and has a generator output, from which the pulse-width-modulated pulse signal is tapped off. A selection unit is furthermore provided and is connected, on the input side, to the detector output and to the generator output, and is designed in such a manner that either the phase comparison signal or the pulse signal can be tapped off from an output of the selection unit using a control signal applied to a control input of the selection unit.
摘要:
A phase regulating arrangement or circuit is disclosed, in which, in addition to a frequency divider, which is arranged in the feedback path of the PLL and, provision is made of a further frequency counter. The frequency counter is configured to be readable and is likewise connected to the oscillator output. The frequency counter drives a control unit that selects a desired frequency band of a multiband oscillator. The phase regulating arrangement or circuit described enables very fast settling in conjunction with low phase noise and good integration possibilities.
摘要:
The invention relates to an optoelectronic component for converting electromagnetic radiation into an intensity-dependent photoelectric current. The component consists of includes one substrate which is formed especially according to CMOS technology. The substrate has an integrated semiconductor structure and an optically active thin layer structure which is situated upstream in the direction of light incidence. The structure consists of includes a layer of a transparent conductive material and at least one layer of semiconductor material, which are arranged on an isolating layer, inside which connection means are provided for establishing a connection between the optically active thin layer structure and the integrated semiconductor structure arranged on the substrate. The aim of the invention is to develop one such optoelectronic component in such a way that the electrical connection between the layer of transparent conductive material and an electrical potential connection can be established in a technically simple manner. To this end, the layer of transparent conductive material can be connected to the potential connection arranged outside the pixel arrangement by means of an additional conductive structure formed on the substrate.