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A method for extinguishing an engine fault indicator light

A fault indicator light and engine technology, applied in engine components, engine control, combustion engine, etc., can solve problems such as not being afraid to continue driving the vehicle, and achieve the effect of easy to find the cause and repair

Active Publication Date: 2018-03-20
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above method has the following two disadvantages: first, the customer can only clear the fault code and turn off the engine fault indicator light by going to the 4S shop to seek professional help; second, some fault codes that cause the EPC light to light up do not affect driving safety. Influence, only affects part of the driving performance, but the customer does not know, thinks that the vehicle has a very serious problem, and dare not continue to drive the vehicle

Method used

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  • A method for extinguishing an engine fault indicator light
  • A method for extinguishing an engine fault indicator light
  • A method for extinguishing an engine fault indicator light

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Embodiment Construction

[0049] In order to enable those skilled in the art to further understand the features and technical contents of the present invention, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings and implementation methods.

[0050] In view of the problems in the prior art that only professionals can turn off the fault indicator light, and the fault codes that cause the fault indicator light to be lit have no impact on driving safety and functions, the embodiment of the present invention provides a method for extinguishing the engine fault indicator light. To make it convenient and simple for the operator to turn off the engine failure indicator light.

[0051] Such as figure 1 Shown is the first flow chart of the method for extinguishing the engine fault indicator light in the embodiment of the present invention, which includes the following steps when the condition for extinguishing the fault indicator light is met:...

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Abstract

The invention relates to a method for extinguishing a vehicle fault indicator light, in particular to a method for extinguishing an engine fault indicator light. Turn off the fault indicator light request; after the engine controller receives the extinguishing fault indicator light request, judge whether to allow the extinguishing fault indicator light request; if allowed, the engine controller stores the fault code and the vehicle operation status information when the fault occurs, Turn off the fault light. Utilizing the invention, the operator can simply and conveniently turn off the engine failure indicator light.

Description

technical field [0001] The invention relates to a method for extinguishing a vehicle failure indicator light, in particular to a method for extinguishing an engine failure indicator light. Background technique [0002] With more and more attention paid to environmental protection, the state promulgated GB-18352.3-2005 light vehicle pollutant emission limits and measurement methods (China III, IV phase) to increase the on-board diagnostic system (OBD) and its functional requirements, which require vehicles It must have the function of identifying possible faults, and store this information in the ECU memory in the form of fault codes. When any component connected to the on-board diagnostic system (OBD) related to emissions or the on-board system itself fails, record Failure and can clearly prompt the car driver through the engine failure indicator light. [0003] During three consecutive operating cycles, if the on-board diagnostic system (OBD) does not monitor the existence...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D41/22F02D29/02F02B77/08
CPCY02T10/40
Inventor 吴琼李卫兵涂安全韩晓峰吴哲马迎国
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD