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Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> System Description >> Component Parts >> ASCD Brake Switch&Stop Lamp Switch
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ASCD Brake Switch&Stop Lamp Switch

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

When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON.

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

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