Safety airbag indicator light circuit with diagnosis function
The utility model discloses a safety airbag indicator light circuit with a diagnosis function, which aims at solving the technical problem in the prior art that the existing safety airbag indicator light circuit does not detect the disconnection state of an safety airbag, and provides a safety airba...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a safety airbag indicator light circuit with a diagnosis function, which aims at solving the technical problem in the prior art that the existing safety airbag indicator light circuit does not detect the disconnection state of an safety airbag, and provides a safety airbag indicator light circuit with the diagnosis function, comprising a safety airbag ECU, an ignition power supply, a light-emitting diode (LED), a current-limiting resistor and a diagnosis resistor, wherein the anode of the LED is connected with the ignition power supply, the cathode of the LED is connected with one end of the current-limiting resistor, the other end of the current-limiting resistor is respectively connected with the safety airbag ECU and the diagnosis resistor, and the other end of the diagnosis resistor is connected with a power supply. |
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