KR970069532A - Brake switch fault diagnosis system of power transmission control module - Google Patents

Brake switch fault diagnosis system of power transmission control module Download PDF

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Publication number
KR970069532A
KR970069532A KR1019960012011A KR19960012011A KR970069532A KR 970069532 A KR970069532 A KR 970069532A KR 1019960012011 A KR1019960012011 A KR 1019960012011A KR 19960012011 A KR19960012011 A KR 19960012011A KR 970069532 A KR970069532 A KR 970069532A
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South Korea
Prior art keywords
brake
switch
brake switch
state
power transmission
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KR1019960012011A
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Korean (ko)
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KR100216851B1 (en
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정훈
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김영귀
기아자동차 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • B60W50/0205—Diagnosing or detecting failures; Failure detection models
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • B60W50/0205—Diagnosing or detecting failures; Failure detection models
    • B60W2050/021—Means for detecting failure or malfunction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/146—Display means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/06—Combustion engines, Gas turbines
    • B60W2510/0604—Throttle position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/06—Combustion engines, Gas turbines
    • B60W2510/0638—Engine speed
    • B60W2510/0642—Idle condition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/08—Electric propulsion units
    • B60W2510/087—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/10—Change speed gearings
    • B60W2510/1015—Input shaft speed, e.g. turbine speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/10—Change speed gearings
    • B60W2510/107—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/18—Braking system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/16—Ratio selector position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/15—Failure diagnostics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/301—Sensors for position or displacement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/303—Speed sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/306—Pressure sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/92—Driver displays

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Control Of Transmission Device (AREA)

Abstract

본 발명에 의한 동력전달장치제어모듈의 브레이크스위치 고장진단시스템은 동력전달장치제어모듈에 전기적으로 연결된 브레이크스위치의 고장상태를 판별하고 표시함으로써, 운전자로 하여금 브레이크스위치의 고장상태를 인지할 수 없게 할 뿐 아니라, 브레이크의 작동 상태에 대한 정확한 정보 입력으로 동력전달장치를 적절하게 제어할 수 있도록 하기 위하여 변속레인지스위치(2)와, 차속센서(4)와, O/D오프 스위치(6)와, 드로틀포지션센서(8)와, 터빈입력속도센서(10)와, 변속기의 변속작동유체의 온도를 감지하는 변속작동유체 온도센서(12)와, 엔진 냉각수온도센서(14)와, 차량이 등속상태로 주행되는지를 감지하는 크루즈콘트롤유닛(U)과, 동력전달장치의 각 제어부분이 전기적으로 연결되도록 구성된 동력전달장치 제어모듈(M)에 있어서, 상기 동력전달장치제어모듈(M)에 스위치고장판별부(24)를 장치하고, 이 스위치고장판별부(24)에 브레이크페달(20)의 작동상태에 따라 온/오프되는 브레이크스위치(22)를 전기적으로 연결하며, 판별된 브레이크스위치(22)의 고장여부에 대한 신호를 운전자가 인지할 수 있도록 표시하는 디스플레이부(26)와, 드로틀밸브의 작동여부를 검출하는 드로틀밸브 작동검출센서(28) 및 제동 장치의 브레이크액의 압력상태에 따라 제동장치의 작동여부에 대한 정보시그널이 입력될 수 있도록 브레이크액압센서(P)를 전기적으로 연결하여 구성한 것이다.The brake switch failure diagnosis system of the power transmission device control module according to the present invention determines and displays the failure state of the brake switch electrically connected to the power transmission device control module so that the driver can not recognize the failure state of the brake switch A speed change range switch 2, a vehicle speed sensor 4, an O / D off switch 6, and a speed change range switch 4, A throttle position sensor 8, a turbine input speed sensor 10, a transmission operating fluid temperature sensor 12 for sensing the temperature of the transmission operating fluid of the transmission, an engine coolant temperature sensor 14, And a power transmission device control module (M) configured to be electrically connected to each control portion of the power transmission device, wherein the power transmission device control module The switch failure detection section 24 is provided in the delivery device control module M and the brake switch 22 which is turned on and off in accordance with the operating state of the brake pedal 20 is electrically connected to the switch failure discrimination section 24 A display unit 26 for displaying a signal indicating whether or not the brake switch 22 is faulty so that the driver can recognize the fault, a throttle valve operation detecting sensor 28 for detecting whether the throttle valve is operated, And a brake fluid pressure sensor P is electrically connected to the brake fluid pressure sensor so that an information signal indicating whether the brake device operates or not is inputted according to a pressure state of the brake fluid of the device.

Description

동력장치전달장치제어모듈의 브레이크위스치 고장진단시스템Brake stitch fault diagnosis system of power unit delivery control module

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제2도는 본 발명에 의한 동력전달장치제어모듈을 나타내는 개념도이고, 제3도는 본 발명의 일실시예에 따른 동력전달장치제어모듈의 흐름도이다. 제4도는 본 발명의 다른 실시예에 따른 동력전달장치제어모듈의 흐름도이다.FIG. 2 is a conceptual diagram showing a power transmission device control module according to the present invention, and FIG. 3 is a flowchart of a power transmission device control module according to an embodiment of the present invention. 4 is a flowchart of a power transmission device control module according to another embodiment of the present invention.

Claims (3)

변속레인지스위치(2)와, 차속센서(4)와, O/D오프스위치(6)와, 드로틀포지션센서(8)와, 터빈입력속도센서(10)와, 변속기의 변속작동유체의 온도를 감지하는 변속작동유체온도센서(12)와, 엔진 냉각수온도센서(14)와, 차량이 등속상태로 주행되는지를 감지하는 크루즈콘트롤유닛(U)과, 동력전달장치의 각 제어부분이 전기적으로 연결되도록 구성된 동력전달장치제어모듈(M)에 있어서, 상기 동력전달장치제어모듈(M)에 스위치고장판별부(24)를 장치하고, 이 스위치고장판별부(24)에 브레이크페달(20)의 작동상태에 따라 온/오프되는 브레이크 스위치(22)를 전기적으로 연결하며, 판별된 브레이크스위치(22)의 고장여부에 대한 신호를 운전자가 인지할 수 있도록 표시하는 디스플레이부(26)와, 드로틀밸브의 작동여부를 검출하는 드로틀밸부 작동검출센서(28) 및 제동장치의 브레이크액의 압력상태에 따라 제동장치의 작동여부에 대한 정보시그널이 입력될 수 있도록 브레이크액압센서(P)를 전기적으로 연결하여 구성됨을 특징으로 하는 동력전달장치제어모듈의 브레이크스위치 고장진단시스템.The temperature of the transmission operating fluid of the transmission is set to a value corresponding to the speed change range switch 2, the vehicle speed sensor 4, the O / D off switch 6, the throttle position sensor 8, the turbine input speed sensor 10, A cruise control unit (U) for sensing whether the vehicle is traveling at a constant speed, and a control unit for controlling each of the control parts of the power transmission device to be electrically connected to each other The switch failure detecting section 24 is provided in the power transmission apparatus control module M and the switch failure discriminating section 24 is provided with the operation of the brake pedal 20 A display unit 26 that electrically connects the brake switch 22 that is turned on and off according to the state and displays a signal indicating whether the brake switch 22 is faulty so that the driver can recognize the brake switch 22, A throttle valve operation detection sensor 28 for detecting whether or not operation is performed, Wherein the brake fluid pressure sensor (P) is electrically connected to the brake fluid pressure sensor (P) so that an information signal as to whether the brake device operates or not is inputted according to a pressure state of the brake fluid of the brake fluid pressure sensor. 제2항에 있어서, 스위치고장판별부(24)는 드로틀밸부의 개도여부를 판별하는 제1단계(30)와, 드로틀밸브가 개도되었을 때 드로틀밸브의 작동여부를 판별하는 제2단계(32)와, 드로틀밸브의 완전한 작동상태가 판별되었을 때 허가플래그가 온 상태인지를 판별하는 제3단계(34)와, 허가플래그가 온 상태일 때 흡기의 충진효율이 0.35이상인지를 판별하는 제4단계(36)와, 충진효율이 0.35이상일 때 차속이 5.64㎞/h이상 증감되었는지를 판별하는 제5단계(38)와, 차속이 5.64㎞/h 이상 변화되었을 때 제동장치의 브레이크액압의 변화로 판별된 제동장치의 작동여부를 판별하는 제6단계(40)와, 제동장치가 작동될 때 브레이크 스위치(22)가 온상태인지를 판별하는 제7단계(42)와, 타이머(T)에 의해 카운트된 경과시간이 15.3초 이상인지를 판별하여 경과시간이 15.3초 이상일 때 다음 단계를 실행하며 경과시간이 15.3초 미만일 때 상기 제6,7단계(42)를 순차적으로 재실행하는 제8단계(44)와, 상기 제6, 7단계(42)를 실행한 후 카운트된 경과시간이 15.3초 이상일 때 브레이크스위치(22)의 고장 상태를 시그널로 출력시키는 제9단계(46)와, 브레이크스위치(22)의 고장상태를 디스플레이에 표시하는 제10단계(48)와, 상기 6단계(40)에서 제동 장치가 비작동상태로 판단되었을 때 브레이크스위치(22)가 온상태일 경우 상기 제8, 9단계 (46) 및 제10단계(48)를 순차적으로 재실행시키는 제11단계(45)로 구성됨을 특징으로 하는 동력전달장치제어모듈의 브레이크스위치 고장진단시스템.The system according to claim 2, wherein the switch failure discrimination unit (24) comprises a first step (30) for discriminating whether or not the throttle valve part is open, a second step (32) for judging whether the throttle valve is operated when the throttle valve is opened, A third step (34) of judging whether or not the permission flag is on when the fully operated state of the throttle valve is discriminated, a fourth step (34) of judging whether the filling efficiency of the intake air is 0.35 or more when the permission flag is on, , A fifth step (38) of determining whether the vehicle speed is increased or decreased by 5.64 km / h when the filling efficiency is 0.35 or more, and a fifth step (38) of determining whether the vehicle speed is increased or decreased by 5.64 km / A sixth step (40) of judging whether or not the brake switch (22) is activated, a seventh step (42) of determining whether the brake switch (22) is on when the braking device is operated, If the elapsed time is more than 15.3 seconds, An eighth step (44) of sequentially executing the sixth and seventh steps (42) when the elapsed time is less than 15.3 seconds and the elapsed time counted after the sixth and seventh steps (42) A ninth step (46) of outputting a fault state of the brake switch (22) to a signal when the time is 15.3 seconds or more, a tenth step (48) of displaying on the display the fault state of the brake switch (22) Step 11 and step 12 are repeatedly executed when the brake switch 22 is in an ON state when the braking device is determined to be in a non-operating state in step 40, 45) for detecting a failure of the brake switch of the power transmission device control module. 제1항에 있어서, 스위치고장판별부(24)는 엔진이 아이들상태로 구동되는지를 판별하는 엔진구동상태판별단계(52)와, 엑셀레이터에 의한 흡기 정도에 따른 충진효율이 0.20 이하인지를 판별하는 흡기충진률판별단계(54)와, 허가플래그가 온 상태인지를 판별하는 허가플래그판별단계(56)와, 차속센서(4)에 의해 감지되는 차속이 5.64㎞/h 이상 증감되었는지를 판별하는 차속변화판별단계(58)와, 제동장치의 작동여부를 판별하는 제동장치작동여부판별단계(60)와, 브레이크스위치(22)가 온상태인지를 판별하는 브레이크스위치작동여부판별단계(62)와, 타이머(T)에 의해 카운트된 경과 시간이 33.3초 이상인지를 판별하여 경과시간이 33.3초 이상일 때 다음단계를 실행하며 경과시간이 33.3초미만일 때 상기 제동장치 작동여부판별단계 및 브레이크스위치작동여부판별단계(62)를 순차적으로 재실행하는 타임카운트단계(64)와, 상기 제동장치 작동여부판별단계 및 브레이크스위치작동여부판별단계(62)를 실행한 후 카운트된 경과시간이 33.3초 이상일 때 브레이크위치(22)의 고장상태를 시그널로 출력시키는 시그널출력단계(66)와, 브레이크위치(22)의 고장상태를 디스플레이부(26)에 표시하는 디스플레이단계(68)와, 상기 제동장치 작동여부판별단계에서 제동장치가 비작동상태로 판단되고, 브레이크위치(22)가 온상태일 경우 상기 제동장치 작동여부단계 및 브레이크스위치작동여부판별단계(62), 그리고 타임카운트단계(64) 및 디스플레이단계(68)를 순차적으로 재실행시키는 브레이크위치작동여부재확인단계(69)로 구성함을 특징으로 하는 동력전달장치제어모듈 브레이크스위치 고장진단시스템.The system according to claim 1, wherein the switch failure discrimination unit (24) comprises: an engine drive state discrimination step (52) for discriminating whether the engine is driven in an idle state; and a switch failure discrimination step for discriminating whether the filling efficiency according to the degree of intake by the accelerator is 0.20 or less An intake charge filling rate determination step 54, an authorization flag determination step 56 for determining whether the permission flag is on, a vehicle speed determining step 56 for determining whether the vehicle speed sensed by the vehicle speed sensor 4 is increased or decreased by 5.64 km / A change determining step 58, a braking device operation determination step 60 for determining whether the braking device is operating, a brake switch operation determination step 62 for determining whether the brake switch 22 is on, Determining whether the elapsed time counted by the timer (T) is 33.3 seconds or more; executing the next step when the elapsed time is 33.3 seconds or more; determining whether the braking device is in operation or not if the elapsed time is less than 33.3 seconds; (62), and a brake position determining step (62) for determining whether the braking device is in operation and whether or not the brake switch is operated when the counted elapsed time is 33.3 seconds or more. A display step (68) of displaying on the display unit (26) a failure state of the brake position (22), a step of outputting a signal indicating the failure state of the braking device The braking device operation step and the brake switch operation judgment step 62 and the time count step 64 and the display step 68 when the braking device is judged to be in a non-operating state and the brake position 22 is on, And a step (69) of confirming whether or not the brake position is operated to sequentially re-execute the operation of the brake switch. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960012011A 1996-04-19 1996-04-19 Brake switch break-down testing system of control module of power transmission device KR100216851B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100384170B1 (en) * 2000-12-19 2003-05-16 현대자동차주식회사 Brake oil cooling system
KR100812022B1 (en) * 2007-05-22 2008-03-10 주식회사 현대오토넷 Method of supply car information

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100720276B1 (en) * 2005-12-27 2007-05-22 지멘스 오토모티브 주식회사 Method for detecting error of a brake switch in automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100384170B1 (en) * 2000-12-19 2003-05-16 현대자동차주식회사 Brake oil cooling system
KR100812022B1 (en) * 2007-05-22 2008-03-10 주식회사 현대오토넷 Method of supply car information

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