JPH02136748U - - Google Patents
Info
- Publication number
- JPH02136748U JPH02136748U JP4614089U JP4614089U JPH02136748U JP H02136748 U JPH02136748 U JP H02136748U JP 4614089 U JP4614089 U JP 4614089U JP 4614089 U JP4614089 U JP 4614089U JP H02136748 U JPH02136748 U JP H02136748U
- Authority
- JP
- Japan
- Prior art keywords
- crash sensor
- cpu
- output signal
- engine speed
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000003745 diagnosis Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
Landscapes
- Air Bags (AREA)
Description
第１図はこの考案の実施例を示すブロツク説明
図、第２図は従来例のエアバツグシステムのブロ
ツク説明図である。
２０……エアバツグコントローラ、２１……ク
ラツシユセンサ、２２，２４，２５……Ａ−Ｄ変
換器、２３……ＣＰＵ、３１……スキブ、３２…
…警告灯、４１……イグニツシヨンコイル、４２
……リードスイツチ。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a block diagram of a conventional airbag system. 20...Air bag controller, 21...Crash sensor, 22, 24, 25...A-D converter, 23...CPU, 31...Squib, 32...
...Warning light, 41...Ignition coil, 42
...Reed switch.
Claims (1)
後ＣＰＵに入力し、このＣＰＵの出力でガス発生
器を点火するように構成したエアバツグシステム
において、予めＣＰＵに記憶されているアイドリ
ング時のエンジン振動に応じたクラツシユセンサ
の出力信号としての基準値と、アイドリング時で
あり、かつ車速が零の時のエンジン回転数に応じ
たクラツシユセンサの出力信号とを比較して、基
準値より所定値以上に大きい時か、あるいは小さ
い時にクラツシユセンサが故障と判断するように
したことを特徴とするエアバツグシステムのクラ
ツシユセンサ故障診断装置。 In an airbag system configured to input the output signal of the crash sensor into the CPU after A-D conversion, and use the output of this CPU to ignite the gas generator, the engine vibration during idling is stored in advance in the CPU. The standard value as the output signal of the crash sensor corresponding to the engine speed is compared with the output signal of the crash sensor corresponding to the engine speed when the vehicle is idling and the vehicle speed is zero. A crash sensor failure diagnosis device for an air bag system, characterized in that the crash sensor is determined to be in failure when the crash sensor is larger or smaller than the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4614089U JPH02136748U (en) | 1989-04-19 | 1989-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4614089U JPH02136748U (en) | 1989-04-19 | 1989-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02136748U true JPH02136748U (en) | 1990-11-14 |
Family
ID=31560956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4614089U Pending JPH02136748U (en) | 1989-04-19 | 1989-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02136748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001070545A1 (en) * | 2000-03-17 | 2001-09-27 | Mitsubishi Denki Kabushiki Kaisha | Impact judgement method and passenger protection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5883228A (en) * | 1981-11-13 | 1983-05-19 | Nissan Motor Co Ltd | Diagnosing device for automobile |
-
1989
- 1989-04-19 JP JP4614089U patent/JPH02136748U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5883228A (en) * | 1981-11-13 | 1983-05-19 | Nissan Motor Co Ltd | Diagnosing device for automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001070545A1 (en) * | 2000-03-17 | 2001-09-27 | Mitsubishi Denki Kabushiki Kaisha | Impact judgement method and passenger protection device |