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Logic adaptation method and logic adaptation device for BCM

A logic and internal logic technology, applied in the field of logic adaptation method and logic adaptation device of body controller, which can solve the problem that BCM cannot adapt to different models.

Inactive Publication Date: 2016-10-12
BAIC GRP ORV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the embodiments of the present invention is to provide a BCM logic adaptation method and a logic adaptation device, which solves the problem that BCM cannot adapt to different vehicle types in the prior art

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  • Logic adaptation method and logic adaptation device for BCM
  • Logic adaptation method and logic adaptation device for BCM
  • Logic adaptation method and logic adaptation device for BCM

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Embodiment Construction

[0024] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0025] Such as figure 1 As shown, this embodiment provides a logic adaptation device, including: power supply 101, BCM102 and TCU103, wherein:

[0026] The BCM102 is connected to the power supply 101, and the internal logic of the BCM102 defaults to the logic suitable for manual transmission models;

[0027] For automatic transmission vehicles, the logic adaptation device also includes a gearbox controller TCU103, and the TCU103 is connected to the BCM102;

[0028] The BCM102 is used to detect whether there is a message sent by the TCU103, and if the message sent by the TCU103 is detected, the internal logic of the BCM102 is transformed into a logic suitable for automatic transmission vehicles;

[0029] For a manual transmission car, the BCM102 is also...

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Abstract

The invention provides a logic adaptation method and a logic adaptation device for a BCM. The device comprises a power supply and a body control module BCM. The BCM is connected with the power supply, and the internal logic of the BCM is a logic adapting to manual transmission cars by default. For automatic transmission cars, the logic adaptation device further comprises a transmission control unit TCU which is connected with the BCM. The BCM is used for detecting whether there is a message sent by the TCU and transforming the internal logic of the BCM into a logic adapting to automatic transmission cars if the BCM detects a message sent by the TCU. For manual transmission cars, the BCM is further used for detecting whether there is a message sent by the TCU and maintaining the logic adapting to manual transmission cars if the BCM detects no message sent by the TCU. The logic adaptation device in the embodiment of the invention can adapt to manual transmission cars and automatic transmission cars automatically.

Description

technical field [0001] The invention relates to the field of automobiles, in particular to a logic adaptation method and a logic adaptation device of a Body Control Module (BCM). Background technique [0002] BCM has complex diagnostic functions and can diagnose other electrical devices related to it. Automatic transmission models are equipped with a transmission controller (TCU, Transmission Control Unit), while manual transmission models do not have this TCU. BCM needs to receive the gear signal and other messages sent by TCU. If the gear signal and other messages are not detected within the specified time, BCM should report the fault code of losing communication with TCU, but for manual transmission models, they are not equipped with TCU. , If the diagnosis strategy of BCM does not make a distinction, then the fault code of losing communication with the TCU will be falsely reported, which is not allowed. Therefore, the prior art has the problem that the BCM cannot be ad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04B60R16/02
CPCB60R16/02G05B19/04
Inventor 纪宏岩董建设孙灿张进明
Owner BAIC GRP ORV CO LTD