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Home >> Nissan-Datsun >> 2012 >> Quest LE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> System Description >> Component Parts >> Engine Control System >> Stop Lamp Switch & ASCD Brake Switch

Stop Lamp Switch & ASCD Brake Switch

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Stop lamp switch and ASCD brake 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 ASCD brake switch Stop lamp switch
Released ON OFF
Depressed OFF ON
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