CN103575467B - Detection harness for electronic oil pressure sensor of engine - Google Patents
Detection harness for electronic oil pressure sensor of engine Download PDFInfo
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- CN103575467B CN103575467B CN201310474516.5A CN201310474516A CN103575467B CN 103575467 B CN103575467 B CN 103575467B CN 201310474516 A CN201310474516 A CN 201310474516A CN 103575467 B CN103575467 B CN 103575467B
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- oil pressure
- wire harness
- harness
- plug
- engine oil
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a detection harness for an electronic oil pressure sensor of an engine. The detection harness for the electronic oil pressure sensor of the engine comprises a concatenation harness and a testing harness, wherein a sensor signal output end plug-in connector is arranged at one end of the concatenation harness, an ECU signal receiving end plug-in connector is arranged at the other end of the concatenation harness, the sensor signal output end plug-in connector is in adaptive plug-in connection with an output socket of the electronic oil pressure sensor to be detected, the ECU signal receiving end plug-in connector is in adaptive plug-in connection with a sensor ECU signal receiving socket, the testing harness is connected with the concatenation harness in parallel, the output end of the testing harness is connected with a multimeter, and output voltage of the testing harness is directly displayed through the multimeter. The detection harness for the electronic oil pressure sensor of the engine tests an output signal of the electronic oil pressure sensor in the mode that an output circuit is connected in parallel, so that performance of the electronic oil pressure sensor is determined; the performance of the electronic oil pressure sensor can be determined on the site on the situation that the electronic oil pressure sensor is not disassembled, the real reason of an oil pressure alarm fault can be conveniently and further determined, the process of overhauling is simplified, overhauling efficiency is improved, and the frequency of misjudgment is reduced.
Description
Technical field
The present invention relates to Motronic control maps sensor field, particularly a kind of Motronic control maps engine oil pressure pickup detects wire harness.
Background technology
After engine discharge upgrading, electronic sensor obtains large-area application, but does not in earlier stage also have simple and direct scheme on sensor performance judges, can only pull down sensor and test to Special-purpose bench.
Such as, when there is oil pressure alarm fault, cannot get rid of rapidly that to be whether the fault of electronics engine oil pressure pickup own cause, make current common practice be first change engine oil pressure pickup, more whether eliminate according to oil pressure alarm fault and decide further maintenance solution.
Owing to lacking the detection method of on-the-spot electronic machine oil pressure sensor performance, can only pull down sensor to Special-purpose bench test, maintenance process is complicated, and efficiency is low; In addition, can not find the immediate cause of fault in time, erroneous judgement situation is serious, and causes double faults.
Summary of the invention
The present invention is to overcome defect in above-mentioned prior art, provide a kind of simple and reasonable, can when not dismantling electronics engine oil pressure pickup, on-the-spot its performance of judgement, be convenient to the true cause determining oil pressure alarm fault further, simplify maintenance process, improve overhaul efficiency, decrease the Motronic control maps engine oil pressure pickup detection wire harness that erroneous judgement occurs.
For achieving the above object, detecting wire harness according to the invention provides a kind of Motronic control maps engine oil pressure pickup, comprising:
Serial connection wire harness, its two ends have sensor signal output terminal connector and ECU signal receiving end connector respectively, wherein, the adaptive grafting of output socket of sensor signal output terminal connector and electronics engine oil pressure pickup to be detected, ECU signal receiving end connector and the adaptive grafting of sensor ECU Signal reception socket;
Test wire harness, be connected in series wire harness parallel connection, output terminal is connected with multimeter, and directly shows its output voltage by multimeter.
In technique scheme, sensor signal output terminal connector has four inserted sheets, respectively corresponding red, yellow, and green, Bai Si kind electric wire.
In technique scheme, sensor ECU signal receiving end connector has four inserted sheets, respectively corresponding red, yellow, and green, Bai Si kind electric wire.
In technique scheme, the output terminal of test wire harness has power-line plug, ground wire plug and derivation plug respectively.
In technique scheme, power-line plug and ground wire plug access multimeter DC voltage shift, ground wire plug and derivation plug access multimeter.
Compared with prior art, the present invention has following beneficial effect: this Motronic control maps engine oil pressure pickup detects wiring harness structure advantages of simple, the output signal of electronics engine oil pressure pickup is tested by Parallel opertation circuit, thus judgement sensor performance, can when not dismantling electronics engine oil pressure pickup, on-the-spot its performance of judgement, be convenient to the true cause determining oil pressure alarm fault further, simplify maintenance process, improve overhaul efficiency, decrease erroneous judgement and occur.
Accompanying drawing explanation
Fig. 1 is the structural representation that Motronic control maps engine oil pressure pickup of the present invention detects wire harness;
Fig. 2 is the sensor signal output terminal connector structural representation that Motronic control maps engine oil pressure pickup of the present invention detects wire harness;
Fig. 3 is the ECU signal receiving end connector structural representation that Motronic control maps engine oil pressure pickup of the present invention detects wire harness;
Description of reference numerals:
1-is connected in series wire harness, 11-sensor signal output terminal connector, 12-ECU signal receiving end connector, and 2-tests wire harness, 21-power-line plug, 22-ground wire plug, and 23-derives plug.
Embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.It will be appreciated that, mentioned in following embodiment of the present invention " on ", D score, "left", "right", " front " and " reverse side " all with the direction shown in each figure for benchmark, these words being used for limiting direction are only used to be convenient to illustrate, do not represent the restriction to the concrete technical scheme of the present invention.
Motronic control maps engine oil pressure pickup of the present invention detects wiring harness structure advantages of simple, the output signal of electronics engine oil pressure pickup is tested by Parallel opertation circuit, thus judgement sensor performance, can when not dismantling electronics engine oil pressure pickup, on-the-spot its performance of judgement, is convenient to the true cause determining oil pressure alarm fault further, simplifies maintenance process, improve overhaul efficiency, decrease erroneous judgement and occur.
Be described through citing but unrestriced mode describes the disclosure in detail below, should be understood that various aspect of the present disclosure can by independent realization or the realization be combined with other aspects.This instructions clearly enables those skilled in the art to manufacture and uses us to believe for new and non-obvious improvement, describe the application of some embodiments, alternative, modification, alternatives and system, comprise the current best mode being considered to perform the inventive principle described in this instructions.When describing element or feature and/or embodiment, be intended to represent that to have in element or feature one or more titled with " one " " one " " being somebody's turn to do " and " described ".Term " comprises " " comprising " and " having " is intended to be comprising property, and represents also have extra element or feature beyond those specifically described elements or feature.
As shown in Figure 1, this Motronic control maps engine oil pressure pickup detects wire harness and is connected in series between overall wire sheaves and sensor, the former input of the intrafascicular maintenance of the detection line sealed in, outlet line are constant, mainly test wire harness in parallel in outlet line, directly show its output voltage (ECU supply voltage and sensor output voltage) by multimeter, judge sensor performance with this.The concrete structure of this detection wire harness comprises: be connected in series being connected in series wire harness 1 and being connected in series the test wire harness 2 of wire harness parallel connection with this between overall wire sheaves with sensor; Serial connection wire harness 1 two ends have sensor signal output terminal connector 11 and ECU signal receiving end connector 12 respectively, serial connection wire harness 1 is connected in series between overall wire sheaves and sensor by the sensor signal output terminal connector 11 at two ends and ECU signal receiving end connector 12, and keeps former input, outlet line constant.Test wire harness 2 one end is laid in the middle part of serial connection wire harness 1, the other end is connected with multimeter by test lead, to realize test wire harness 2 in parallel in the outlet line of electronics engine oil pressure pickup, and directly show its output voltage by multimeter, judge sensor performance with this.
As shown in Figures 2 and 3, the two ends of serial connection wire harness 1 have sensor signal output terminal connector 11 and ECU signal receiving end connector 12 respectively, wherein, sensor signal output terminal connector 11 grafting adaptive with the output socket of electronics engine oil pressure pickup, it has Pin1, Pin2, Pin3, Pin4 tetra-inserted sheets, respectively corresponding red, yellow, and green, Bai Si kind electric wire.ECU signal receiving end connector 12 grafting adaptive with sensor ECU Signal reception socket, also has Pin1, Pin2, Pin3, Pin4 tetra-inserted sheets, respectively corresponding red, yellow, and green, Bai Si kind electric wire.
The test lead (output terminal) of test wire harness 2 has power-line plug 21, ground wire plug 22 respectively and derives (AD-OUT) plug 23, respectively corresponding red, black, blue three kinds of electric wires.Wherein, power-line plug 21 and ground wire plug 22 access multimeter DC voltage shift, for detecting the ECU supply voltage of 5V.Ground wire plug 22 and derivation (AD-OUT) plug 23 access multimeter, for detecting sensor output voltage.
During detection, seal between overall wire sheaves with sensor and be connected in series wire harness 1, sensor signal output terminal connector 11 grafting adaptive with the output socket of electronics engine oil pressure pickup, ECU signal receiving end connector 12 grafting adaptive with ECU Signal reception socket, seals in wire harness and keeps former input, outlet line constant.Test wire harness 2 power-line plug 21 and ground wire plug 22 access multimeter DC voltage shift, for detecting the ECU supply voltage of 5V, if without 5V voltage, then judge ECU or line fault.Ground wire plug 22 and derivation (AD-OUT) plug 23 access multimeter, for detecting sensor output voltage.Engine storehouse is arranged comparatively compact, and sensor installation dismounting is comparatively difficult, and this Motronic control maps engine oil pressure pickup detects wire harness and can exempt to judge sensor performance in the situation of tearing open.In addition, directly judge sensor performance fast, avoid the erroneous judgement because the problems such as wire harness connector, car load circuit, instrument coupling cause and double faults, reduce three guarantees and compensate.
To sum up, this Motronic control maps engine oil pressure pickup detects wiring harness structure advantages of simple, the output signal of electronics engine oil pressure pickup is tested by Parallel opertation circuit, thus judgement sensor performance, can when not dismantling electronics engine oil pressure pickup, on-the-spot its performance of judgement, be convenient to the true cause determining oil pressure alarm fault further, simplify maintenance process, improve overhaul efficiency, decrease erroneous judgement and occur.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (5)
1. Motronic control maps engine oil pressure pickup detects a wire harness, it is characterized in that, comprising:
Serial connection wire harness, its two ends have sensor signal output terminal connector and ECU signal receiving end connector respectively, wherein, the adaptive grafting of output socket of described sensor signal output terminal connector and electronics engine oil pressure pickup to be detected, described ECU signal receiving end connector and the adaptive grafting of sensor ECU Signal reception socket;
Test wire harness, be connected in series wire harness parallel connection with described, output terminal is connected with multimeter, and directly shows its output voltage by multimeter.
2. Motronic control maps engine oil pressure pickup according to claim 1 detects wire harness, it is characterized in that: described sensor signal output terminal connector has four inserted sheets, respectively corresponding red, yellow, and green, Bai Si kind electric wire.
3. Motronic control maps engine oil pressure pickup according to claim 2 detects wire harness, it is characterized in that: described sensor ECU signal receiving end connector has four inserted sheets, respectively corresponding red, yellow, and green, Bai Si kind electric wire.
4. Motronic control maps engine oil pressure pickup according to any one of claim 1 to 3 detects wire harness, it is characterized in that: the output terminal of described test wire harness has power-line plug, ground wire plug and derivation plug respectively.
5. Motronic control maps engine oil pressure pickup according to claim 4 detects wire harness, it is characterized in that: described power-line plug and ground wire plug access multimeter DC voltage shift, described ground wire plug and derivation plug access multimeter general-purpose gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474516.5A CN103575467B (en) | 2013-10-12 | 2013-10-12 | Detection harness for electronic oil pressure sensor of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474516.5A CN103575467B (en) | 2013-10-12 | 2013-10-12 | Detection harness for electronic oil pressure sensor of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103575467A CN103575467A (en) | 2014-02-12 |
| CN103575467B true CN103575467B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310474516.5A Active CN103575467B (en) | 2013-10-12 | 2013-10-12 | Detection harness for electronic oil pressure sensor of engine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764478A (en) * | 2017-09-08 | 2018-03-06 | 中国第汽车股份有限公司 | Portable direct-reading type Motronic control maps engine oil pressure pickup detector |
| CN111547487A (en) * | 2020-03-23 | 2020-08-18 | 江苏长电科技股份有限公司 | Punching machine table for detecting missing of material pipe and preventing fool and control method thereof |
| CN114486067B (en) * | 2020-10-26 | 2024-07-30 | 上海华依科技集团股份有限公司 | Automatic sensor docking testing mechanism with 360-degree change of installation angle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62233446A (en) * | 1986-03-31 | 1987-10-13 | Mitsubishi Electric Corp | Fuel control device |
| CN101625276A (en) * | 2009-07-01 | 2010-01-13 | 中国重汽集团济南动力有限公司 | Detection device of engine oil pressure sensor for automobile engine and detection method thereof |
| KR20100004553U (en) * | 2008-10-24 | 2010-05-04 | (주)템스 | Harness separating equipment |
| CN102032064A (en) * | 2009-10-08 | 2011-04-27 | 通用汽车环球科技运作公司 | In-cylinder pressure sensor diagnostic system and method |
| CN203479460U (en) * | 2013-10-12 | 2014-03-12 | 广西玉柴机器股份有限公司 | Detection wire harness for electronic engine oil pressure transducer of engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7077008B2 (en) * | 2004-07-02 | 2006-07-18 | Honeywell International Inc. | Differential pressure measurement using backside sensing and a single ASIC |
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2013
- 2013-10-12 CN CN201310474516.5A patent/CN103575467B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62233446A (en) * | 1986-03-31 | 1987-10-13 | Mitsubishi Electric Corp | Fuel control device |
| KR20100004553U (en) * | 2008-10-24 | 2010-05-04 | (주)템스 | Harness separating equipment |
| CN101625276A (en) * | 2009-07-01 | 2010-01-13 | 中国重汽集团济南动力有限公司 | Detection device of engine oil pressure sensor for automobile engine and detection method thereof |
| CN102032064A (en) * | 2009-10-08 | 2011-04-27 | 通用汽车环球科技运作公司 | In-cylinder pressure sensor diagnostic system and method |
| CN203479460U (en) * | 2013-10-12 | 2014-03-12 | 广西玉柴机器股份有限公司 | Detection wire harness for electronic engine oil pressure transducer of engine |
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| CN103575467A (en) | 2014-02-12 |
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