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Home >> Nissan-Datsun >> 2019 >> Sentra SV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Control System (Introduction) (1.6L)) >> System Description >> Component Parts >> Engine Control System >> Stop Lamp Switch Brake Pedal Position Switch
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Stop Lamp Switch Brake Pedal Position Switch

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Stop lamp switch and brake pedal position switch are installed to brake pedal bracket.

ECM detects the state of the brake pedal by those two types of input (ON/OFF signal).

Brake pedal

Brake pedal position switch

Stop lamp switch

Released

ON

OFF

Depressed

OFF

ON