Stop Lamp Switch Brake Pedal Position Switch
Stop lamp switch and brake pedal position switch are installed to brake pedal bracket.
 Courtesy of NISSAN NORTH AMERICA, INC.
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ECM detects the state of the brake pedal by those two types of input (ON/OFF signal).
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Brake pedal
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Brake pedal position switch
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Stop lamp switch
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Released
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ON
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OFF
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Depressed
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OFF
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ON
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