CN107240323A - A kind of control unit for vehicle fault simulator and its control method - Google Patents
A kind of control unit for vehicle fault simulator and its control method Download PDFInfo
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- CN107240323A CN107240323A CN201710523376.4A CN201710523376A CN107240323A CN 107240323 A CN107240323 A CN 107240323A CN 201710523376 A CN201710523376 A CN 201710523376A CN 107240323 A CN107240323 A CN 107240323A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
Abstract
The invention discloses a kind of control unit for vehicle fault simulator and its control method.Present invention series fault between the sensor and actuator of former car and the control unit of former car sets device, and the terminal testing cassete in parallel on fault setting machine；Trouble point is set by fault setting machine, real phenomenon of the failure is simulated, is created to student close to actual working environment, allows student to touch more real fault case；And measured by terminal testing cassete, without plugging sensor plug or destruction connecting wire, allow student to be diagnosed and be fixed a breakdown according to tight logical thinking, visual in image, tutorial function is strong, it is ensured that the learning quality of student；The present invention can substantially reduce the equipment loss in training process, reduce training cost, and the convenience intuitive of enhancement training mitigates the working strength of trainer, has very profound significance to automobile skills training significantly.
Description
Technical field
The present invention relates to car inspection and repair training field, and in particular to a kind of control unit for vehicle fault simulator and its control
Method.
Background technology
The continuous high speed development of present China's automobile industry, is also greatly increased to automobile application and the demand for repairing the talent,
Seek also more and more higher.Automobile electric control system detection technique is one of key technique in current auto repair.It is inevitable also into
One of core curriculum for auto repair training, practicality is very strong, and preferably by the mode of vehicle real training, with reference to reality
The action of enterprise practical is combined in Maintenance Cases, training process.
1. in the automatically controlled training of existing orthodox car, when carrying out troubleshooting to vehicle, because the circuit of various systems mixes
Together, cause in training process, student differentiates difficult, wire harness easily occurs and each control unit is damaged on a large scale, right
The loss of real training vehicle is quite big, greatly causes the loss of training difficulty and training cost.Pass through control unit for vehicle
The control unit of fault simulator and former car is attached, and student correspond to servicing manual and circuit diagram combination diagnostic equipment is examined
Survey and troubleshooting, reduce the loss of vehicle and equipment, reduce training cost.2. in the automatically controlled training of orthodox car, trainer
Different trouble points is generally set when course prepares to automobile to facilitate real training, and while failure is set, can also be gone out
Now the wire harness of each control unit is damaged, such as open circuit, short circuit can all destroy the integrality of former vehicle wire harness, and trainer
It can be increased in careful preparation working strength, after connection control unit for vehicle fault simulator, trouble point is clearly demarcated, and trainer is before the class
Corresponding failure base site controller need to be only operated during preparation, trouble point will be generated, in training process, and student is read by diagnostic equipment
Take the every service data of automobile there is provided detection foundation, carry out fault detect with excluding, easy to operate, training difficulty declines.3. pass
Automatically controlled practical training stand of uniting sets failure to have limitation, such as open circuit or some short-circuit failure can only be set on test-bed
Point, other failures cannot exist simultaneously, and these failures are can not the completely real daily appearance event of simulated automotive
Hinder phenomenon, nor the training request of trainer can be fully met.
The content of the invention
For above problems of the prior art, the present invention propose a kind of control unit for vehicle fault simulator and
Its control method, carries out technical repacking to vehicle complete vehicle electric-control system, is exactly exactly by automatically controlled and electrical equipment portion on vehicle
Separated time road installs failure and sets end and test lead, is created to trainee close to actual working environment；The present invention can be significantly
The equipment loss in training process is reduced, training cost is reduced, the convenience intuitive of enhancement training mitigates trainer significantly
Working strength, have very profound significance to automobile skills training.
It is an object of the present invention to propose a kind of control unit for vehicle fault simulator.
Each sensor and actuator of former car are connected to the control unit of former car by respective connecting wire respectively；Respectively
The connecting wire of individual sensor and actuator is arranged on connecting wire plug, and the connecting wire of the control unit of former car is arranged on
On control unit plug, connecting wire plug is connected with control unit plug, so that by each sensor of former car and execution
Device is connected to the control unit of former car.
The control unit for vehicle fault simulator of the present invention includes：Fault setting machine and terminal testing cassete；Wherein, failure is set
Putting the failure in device sets the connecting wire of wire and sensor and actuator and former car control unit to correspond；Led from connection
Control unit plug is pulled out on line plug, the control unit of former car and each sensor and actuator of former car are disconnected；Therefore
Barrier sets one end of device to be connected on control unit plug, and the other end is connected on connecting wire plug, so that in each of former car
Series fault sets device between the control unit of individual sensor and actuator and former car, and each sensor and actuator of former car lead to
Cross the control unit that failure corresponding in fault setting machine sets wire to be connected to former car；The terminal in parallel on fault setting machine
Testing cassete, each failure of fault setting machine sets wire to be correspondingly connected to a test lead on terminal testing cassete；In event
Barrier sets the failure of device to set and trouble point is set on wire, and passes through the test on terminal testing cassete using universal meter or oscillograph
End is measured, so as to be fixed a breakdown.
Fault setting machine include shell, circuit board, a plurality of failure set wire, cross-line point, bridging plug, swept resistance,
One or more fixed value resistances, patchcord and earth terminal；Wherein, a plurality of failure sets wire, cross-line point, bridging plug, slip
Resistance and earth terminal are set on circuit boards, and one or more fixed value resistances, patchcord and circuit board are placed in shell；It is each
Bar failure sets wire corresponding to the connecting wire of the control unit of former car with each connection sensor or actuator；Every
One failure sets and is provided with cross-line point on wire；Under fault-free dotted state, every failure sets and inserted on wire cross-line point
There is bridging plug, so that the control unit of corresponding sensor or actuator and former car be turned on；Plug is bridged from cross-line point
Extract, the control unit of corresponding sensor or actuator and former car is disconnected；Cross-line point connects swept resistance or insertion is fixed
Resistance, i.e. failure set wired in series resistance, there is resistance in the connecting wire for setting corresponding sensor or actuator；Cross-line
Point is connected to earth terminal, and corresponding sensor or actuator are set into negative pole short circuit；By different faults set wire on across
Boundary's point is connected with each other by patchcord, sets multi-thread be shorted with each other.
The Standard resistance range of swept resistance is in 0~1000 Ω；The resistance of fixed value resistance is between 0.1~600 Ω.
Terminal testing cassete includes housing and multiple test leads；Wherein, multiple test leads, test lead are set on the surface of housing
Wire is set to correspond with failure, each failure sets wire to be connected to a test lead；Test lead is to expose outside
Hard contact.
It is another object of the present invention to provide a kind of control method of control unit for vehicle fault simulator.
The control method of the control unit for vehicle fault simulator of the present invention, comprises the following steps：
1) the control unit DTC of real training vehicle is read using diagnostic equipment, reparation removing is carried out if faulty, it is ensured that
Real training vehicle does not have failure；
2) real training vehicle stall, breaks storage battery negative polar curve；
3) control unit plug is pulled out from connecting wire plug, by the control unit of former car and each sensor of former car
Disconnected with actuator；
4) one end of fault setting machine is connected on control unit plug, the other end is connected on connecting wire plug,
And check whether each plug is connected firmly, so that between each sensor and actuator of former car and the control unit of former car
Series fault sets device；
5) storage battery negative polar curve is connected, starts real training vehicle；
6) control unit DTC is read using diagnostic equipment and removed；
7) engine misses, trainer, with reference to former car circuit diagram, sets in the failure of fault setting machine and led according to training contents
Trouble point is set on line, and fault type is divided into following four：
A) sensor or actuator and control unit open circuit fault：By corresponding failure set wire on bridging plug from across
Extracted on line point, so that the control unit of corresponding sensor or actuator and former car be disconnected；
B) sensor or actuator are to negative pole short trouble：Corresponding failure is set into the bridging plug on wire from cross-line point
It is upper to extract, and cross-line point is connected to earth terminal, so that corresponding sensor or actuator are set into negative pole short circuit；
C) there is Resistance Fault in sensor or actuator：Corresponding failure is set into the bridging plug on wire from cross-line point
Extract, and swept resistance, i.e. failure in fixed resistance or series connection are inserted on cross-line point and wired in series resistance is set, so as to set
There is resistance in the connecting wire for putting corresponding sensor or actuator；
D) it is shorted with each other：Set the bridging plug on wire to be extracted from cross-line point corresponding a plurality of failure, using turn
Wiring sets different faults the bridge position on wire to be connected with each other, so as to set multi-thread be shorted with each other；
By more than four kinds of fault types be combined so that formed single line it is breaking, it is multi-thread open circuit, single line to negative pole short circuit,
It is multi-thread it is short-circuit to negative pole, multi-thread be shorted with each other, single line to negative pole short circuit and exist resistance, it is multi-thread to negative pole short circuit and exist electricity
There is resistance or the multi-thread trouble point that there is resistance in resistance, single line；
8) student carries out troubleshooting for this failure, by observing the phenomenon of the failure of vehicle or first determining failure using diagnostic equipment
Phenomenon, carries out conventional failture evacuation, if desired for measurement sensor, directly using universal meter or oscillograph in terminal measuring box
Operated on corresponding test lead, it is not necessary to plug sensor plug or destruction connecting wire；
9) student is found behind trouble point by measurement, and trainer recovers to the trouble point.
Further, the present invention can also measure each sensor or actuator in the quiescent state, comprise the following steps：
1) control unit DTC is read using diagnostic equipment, reparation removing is carried out if faulty, it is ensured that real training vehicle does not have
It is faulty；
2) real training vehicle stall, breaks storage battery negative polar curve；
3) control unit plug is pulled out from connecting wire plug, by the control unit of former car and each sensor of former car
Disconnected with actuator；
4) one end of fault setting machine is connected on control unit plug, the other end is connected on connecting wire plug,
And check whether each plug is connected firmly, so that between each sensor and actuator of former car and the control unit of former car
Series fault sets device；
5) by consulting former car circuit diagram, the stitch label of tested sensor or actuator is found, using universal meter at end
Measured on the test lead of sub- measuring box.
Further, the present invention can also measure each sensor or actuator in a dynamic state, comprise the following steps：
1) control unit DTC is read using diagnostic equipment, reparation removing is carried out if faulty, it is ensured that real training vehicle does not have
It is faulty；
2) real training vehicle stall, breaks storage battery negative polar curve；
3) control unit plug is pulled out from connecting wire plug, by the control unit of former car and each sensor of former car
Disconnected with actuator；
4) one end of fault setting machine is connected on control unit plug, the other end is connected on connecting wire plug,
And check whether each plug is connected firmly, so that between each sensor and actuator of former car and the control unit of former car
Series fault sets device；
5) storage battery negative polar curve is connected, starts real training vehicle；
6) control unit DTC is read using diagnostic equipment and removed；
7) by consulting former car circuit diagram, the stitch label of tested sensor or actuator is found, using universal meter at end
Measured on the test lead of sub- measuring box.
Advantages of the present invention：
Present invention series fault between the sensor and actuator of former car and the control unit of former car sets device, and in event
Barrier sets terminal testing cassete in parallel on device；Trouble point is set by fault setting machine, real phenomenon of the failure is simulated, student's wound is given
The working environment close to reality is made, allows student to touch more real fault case；And by terminal testing cassete
Test lead is measured, and without plugging sensor plug or destruction connecting wire, allows student according to tight logical thinking
Diagnosed and fixed a breakdown, visual in image, tutorial function is strong, it is ensured that the learning quality of student；The present invention can be substantially reduced
Equipment loss in training process, reduces training cost, and the convenience intuitive of enhancement training mitigates the work of trainer significantly
Make intensity, have very profound significance to automobile skills training.
Brief description of the drawings
Fig. 1 is the structured flowchart of the control unit for vehicle fault simulator of the present invention；
Fig. 2 is the schematic diagram of one embodiment of the fault setting machine of the control unit for vehicle fault simulator of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, the present invention is expanded on further.
As shown in figure 1, the control unit for vehicle fault simulator of the present embodiment includes：Fault setting machine and terminal test
Box；Wherein, the failure in fault setting machine sets wire and sensor and actuator and the connecting wire one of former car control unit
One correspondence；Pull out control unit plug from connecting wire plug, each sensor of the control unit of former car and former car and hold
Row device is disconnected；One end of fault setting machine is connected on control unit plug, and the other end is connected on connecting wire plug,
So as to which series fault sets device, each biography of former car between the control unit of each sensor and actuator of former car and former car
Sensor and actuator are connected to the control unit of former car by failure setting wire corresponding in fault setting machine；Set in failure
Terminal testing cassete in parallel on device is put, each failure of fault setting machine sets wire to be correspondingly connected to one on terminal testing cassete
Individual test lead；Set in the failure of fault setting machine and trouble point is set on wire.Former car refers to real training vehicle.
Wire L, cross-line point A, bridging is set to insert as shown in Fig. 2 fault setting machine includes shell, circuit board C, a plurality of failure
Head, swept resistance R, fixed value resistance, patchcord and earth terminal G；A plurality of failure sets wire L, cross-line point A, bridging plug, slip
Resistance R and earth terminal G are arranged on circuit board C.The Standard resistance range of swept resistance is in 0~1000 Ω；The resistance of fixed value resistance exists
Between 0.1~600 Ω.Respectively 0.1 Ω, 0.3 Ω, 0.5 Ω, 1 Ω, 2 Ω, 2.7 Ω, 3.5 Ω, 3.9 Ω, 5 Ω, 5.6 Ω,
7.5Ω、10Ω、15Ω、20Ω、27Ω、33Ω、39Ω、56Ω、100Ω、150Ω、200Ω、250Ω、270Ω、330Ω、
390Ω、470Ω、560Ω。
In the present embodiment, a 1 cylinder injector failure is set；Failure front engine control unit fault-free code is set,
Engine misses simultaneously disconnect storage battery negative polar curve, extract control unit, connect control unit for vehicle fault simulator.
Fault setting machine cover plate is opened, 1 cylinder injector corresponding failure is found and wire is set, open circuit is set or in failure
Series resistance in wire is set, rear closing fault is provided with and device cover plate is set.
Storage battery negative polar curve is connected, starts engine, now phenomenon of the failure is engine shake.Phenomenon of the failure has been generated,
Student carries out troubleshooting to this failure.
Engine shake has what a lot of reasons was caused, and such as ignition system, injection system, gas handling system, engine machinery are asked
Topic etc., student is according to normal troubleshooting thinking, after clear failure phenomenon, first reads engine failure code, DTC with diagnostic equipment
For 1 cylinder injector electric fault, several trouble points can be specified according to DTC, be respectively：Reason of 1 cylinder injector itself, the spray of 1 cylinder
The connecting wire problem of oily device, student by using resistance between universal meter test lead corresponding on terminal measuring box, from
And can interpolate that and be out of order a little, finally fix a breakdown.
The control method of the control unit for vehicle fault simulator of the present embodiment, comprises the following steps：
1) the control unit DTC of real training vehicle is read using diagnostic equipment, reparation removing is carried out if faulty, it is ensured that
Real training vehicle does not have failure；
2) real training vehicle stall, breaks storage battery negative polar curve；
3) control unit plug is pulled out from connecting wire plug, by the control unit of former car and each sensor of former car
Disconnected with actuator；
4) one end of fault setting machine is connected on control unit plug, the other end is connected on connecting wire plug,
And check whether each plug is connected firmly, so that between each sensor and actuator of former car and the control unit of former car
Series fault sets device；
5) storage battery negative polar curve is connected, starts real training vehicle；
6) control unit DTC is read using diagnostic equipment and removed；
7) engine misses, trainer, with reference to former car circuit diagram, sets failure according to training contents on fault setting machine
Point：Fault setting machine is opened, 1 cylinder injector corresponding failure is found and wire is set, open circuit is set or wire is set in failure
Middle series resistance；
8) student carries out troubleshooting for this failure, by observing the phenomenon of the failure of vehicle or first determining failure using diagnostic equipment
Phenomenon, carries out conventional failture evacuation, directly enterprising in the corresponding test lead of terminal measuring box using universal meter or oscillograph
Row operation, it is not necessary to plug sensor plug or destruction connecting wire；
9) student is found behind trouble point by measurement, and trainer recovers to the trouble point.
It is finally noted that, the purpose for publicizing and implementing example is that help further understands the present invention, but this area
Technical staff be appreciated that：Without departing from the spirit and scope of the invention and the appended claims, it is various to replace and repair
It is all possible for changing.Therefore, the present invention should not be limited to embodiment disclosure of that, and the scope of protection of present invention is to weigh
The scope that sharp claim is defined is defined.
Claims (10)
1. a kind of control unit for vehicle fault simulator, each sensor and actuator of former car are led by respective connection respectively
Line is connected to the control unit of former car；The connecting wire of each sensor and actuator is arranged on connecting wire plug, former car
The connecting wire of control unit be arranged on control unit plug, connecting wire plug is connected with control unit plug, from
And each sensor and actuator of former car are connected to the control unit of former car, it is characterised in that the control unit for vehicle
Fault simulator includes：Fault setting machine and terminal testing cassete；Wherein, the failure in the fault setting machine sets wire with passing
The connecting wire of sensor and actuator and former car control unit is corresponded；Control unit is pulled out from connecting wire plug to insert
Head, the control unit of former car and each sensor and actuator of former car are disconnected；One end of fault setting machine is connected to control
On unit plug processed, the other end is connected on connecting wire plug, so that in each sensor and actuator and former car of former car
Control unit between series fault device is set, each sensor and actuator of former car pass through corresponding in fault setting machine
Failure setting wire is connected to the control unit of former car；The terminal testing cassete in parallel on fault setting machine, fault setting machine it is every
One failure sets wire to be correspondingly connected to a test lead on terminal testing cassete；In the failure of fault setting machine, wire is set
Upper setting trouble point, and measured using universal meter or oscillograph by the test lead on terminal testing cassete, so as to be arranged
Except failure.
2. control unit for vehicle fault simulator as claimed in claim 1, it is characterised in that the fault setting machine includes outer
Shell, circuit board, a plurality of failure set wire, cross-line point, bridging plug, swept resistance, fixed value resistance, patchcord and earth terminal；
Wherein, a plurality of failure sets wire, cross-line point, bridging plug, swept resistance and earth terminal to set on circuit boards, definite value
Resistance, patchcord and circuit board are placed in shell；Each failure sets wire to be connected sensor or actuator with each
Connecting wire to the control unit of former car is corresponding；Set in each failure and be provided with cross-line point on wire.
3. control unit for vehicle fault simulator as claimed in claim 2, it is characterised in that under fault-free dotted state, often
Bar failure sets and is inserted with bridging plug on wire cross-line point, so that by the control list of corresponding sensor or actuator and former car
Member conducting；Bridging plug is extracted from cross-line point, and the control unit of corresponding sensor or actuator and former car is disconnected；Cross-line
Point connection swept resistance or insertion fixed resistance, i.e. failure set wired in series resistance, set corresponding sensor or actuator
Connecting wire in there is resistance；Cross-line point is connected to earth terminal, and corresponding sensor or actuator are set into negative pole short circuit；
Set the point transboundary on wire to be connected with each other by patchcord different faults, multi-thread be shorted with each other is set.
4. control unit for vehicle fault simulator as claimed in claim 2, it is characterised in that the resistance model of the swept resistance
It is trapped among 0~1000 Ω.
5. control unit for vehicle fault simulator as claimed in claim 2, it is characterised in that the resistance of the fixed value resistance exists
Between 0.1~600 Ω.
6. control unit for vehicle fault simulator as claimed in claim 1, it is characterised in that the terminal testing cassete includes shell
Body and multiple test leads；Wherein, multiple test leads are set on the surface of housing, and test lead sets wire to correspond with failure,
Each failure sets wire to be connected to a test lead；Hard contact of the test lead for exposure outside.
7. a kind of control method of control unit for vehicle fault simulator, it is characterised in that the control method includes following step
Suddenly：
1) the control unit DTC of real training vehicle is read using diagnostic equipment, reparation removing is carried out if faulty, it is ensured that real training
Vehicle does not have failure；
2) real training vehicle stall, breaks storage battery negative polar curve；
3) control unit plug is pulled out from connecting wire plug, by each sensor of the control unit of former car and former car and is held
Row device is disconnected；
4) one end of fault setting machine is connected on control unit plug, the other end is connected on connecting wire plug, and is examined
Look into whether each plug is connected firmly, so as to be connected between each sensor and actuator and the control unit of former car of former car
Fault setting machine；
5) storage battery negative polar curve is connected, starts real training vehicle；
6) control unit DTC is read using diagnostic equipment and removed；
7) engine misses, trainer, with reference to former car circuit diagram, is set on wire according to training contents in the failure of fault setting machine
Trouble point is set；
8) student carries out troubleshooting for this failure, by observing the phenomenon of the failure of vehicle or first determining that failure shows using diagnostic equipment
As carrying out conventional failture evacuation, if desired for measurement sensor, directly using universal meter or oscillograph in the phase of terminal measuring box
Operated on the test lead answered, it is not necessary to plug sensor plug or destruction connecting wire；
9) student is found behind trouble point by measurement, and trainer recovers to the trouble point.
8. control method as claimed in claim 7, it is characterised in that in step 7) in, fault type is divided into following four：
A) sensor or actuator and control unit open circuit fault：Corresponding failure is set into the bridging plug on wire from cross-line point
It is upper to extract, so that the control unit of corresponding sensor or actuator and former car be disconnected；
B) sensor or actuator are to negative pole short trouble：The bridging plug on wire is set to be pulled out from cross-line point corresponding failure
Go out, and cross-line point is connected to earth terminal, so that corresponding sensor or actuator are set into negative pole short circuit；
C) there is Resistance Fault in sensor or actuator：The bridging plug on wire is set to be pulled out from cross-line point corresponding failure
Go out, and swept resistance, i.e. failure in fixed resistance or series connection are inserted on cross-line point and wired in series resistance is set, so as to set
There is resistance in the connecting wire of corresponding sensor or actuator；
D) it is shorted with each other：The bridging plug on wire is set to be extracted from cross-line point corresponding a plurality of failure, using patchcord
Different faults are set the bridge position on wire be connected with each other, so as to set multi-thread be shorted with each other；
By more than four kinds of fault types be combined so that formed single line it is breaking, it is multi-thread open circuit, single line it is short-circuit to negative pole, multi-thread
It is short-circuit to negative pole, multi-thread be shorted with each other, to negative pole short circuit and there is resistance, multi-thread to negative pole short circuit and there is resistance, list in single line
There is resistance or the multi-thread trouble point that there is resistance in line.
9. control method as claimed in claim 7, it is characterised in that be additionally included under static state and measure each sensor or execution
Device, comprises the following steps：
1) control unit DTC is read using diagnostic equipment, reparation removing is carried out if faulty, it is ensured that real training vehicle is without event
Barrier；
2) real training vehicle stall, breaks storage battery negative polar curve；
3) control unit plug is pulled out from connecting wire plug, by each sensor of the control unit of former car and former car and is held
Row device is disconnected；
4) one end of fault setting machine is connected on control unit plug, the other end is connected on connecting wire plug, and is examined
Look into whether each plug is connected firmly, so as to be connected between each sensor and actuator and the control unit of former car of former car
Fault setting machine；
5) by consulting former car circuit diagram, the stitch label of tested sensor or actuator is found, is surveyed using universal meter in terminal
Measured on the test lead for measuring box.
10. control method as claimed in claim 7, it is characterised in that be additionally included under dynamic and measure each sensor or hold
Row device, comprises the following steps：
1) control unit DTC is read using diagnostic equipment, reparation removing is carried out if faulty, it is ensured that real training vehicle is without event
Barrier；
2) real training vehicle stall, breaks storage battery negative polar curve；
3) control unit plug is pulled out from connecting wire plug, by each sensor of the control unit of former car and former car and is held
Row device is disconnected；
4) one end of fault setting machine is connected on control unit plug, the other end is connected on connecting wire plug, and is examined
Look into whether each plug is connected firmly, so as to be connected between each sensor and actuator and the control unit of former car of former car
Fault setting machine；
5) storage battery negative polar curve is connected, starts real training vehicle；
6) control unit DTC is read using diagnostic equipment and removed；
7) by consulting former car circuit diagram, the stitch label of tested sensor or actuator is found, is surveyed using universal meter in terminal
Measured on the test lead for measuring box.
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| CN109406171A (en) * | 2018-10-31 | 2019-03-01 | 北京华奥汽车服务股份有限公司 | A kind of quiet dynamic fault sunykatuib analysis instrument of motor vehicle braking system and its detection method |
| CN109521310A (en) * | 2019-01-10 | 2019-03-26 | 北京华奥汽车服务股份有限公司 | A kind of motor vehicle braking system fault simulation detection analysis instrument and its detection method |
| CN111028604A (en) * | 2019-12-30 | 2020-04-17 | 陈昌涛 | Simulation training platform for electric control system of automobile engine and implementation method thereof |
| CN111856314A (en) * | 2020-07-24 | 2020-10-30 | 广东交通职业技术学院 | Automobile lead single-node fault setting equipment and method |
| CN112037604A (en) * | 2020-09-15 | 2020-12-04 | 广州车拉夫汽车科技有限公司 | Automobile fault setting device and system for teaching |
| CN112037603A (en) * | 2020-09-15 | 2020-12-04 | 广州车拉夫汽车科技有限公司 | Automobile teaching system |
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| CN111028604A (en) * | 2019-12-30 | 2020-04-17 | 陈昌涛 | Simulation training platform for electric control system of automobile engine and implementation method thereof |
| CN111856314A (en) * | 2020-07-24 | 2020-10-30 | 广东交通职业技术学院 | Automobile lead single-node fault setting equipment and method |
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| CN113903207A (en) * | 2021-11-16 | 2022-01-07 | 中车长春轨道客车股份有限公司 | Device for training debugging skills of railway vehicle debugging personnel |
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