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Home >> Infiniti >> 2014 >> Q50 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1236 To P2138 (Except Hybrid) >> DTC P1572: Brake Pedal Position Switch >> With ASCD Models >> WITH ASCD MODELS: Description
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WITH ASCD MODELS: Description

When the brake pedal is depressed, brake pedal position 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).

Refer to "AUTOMATIC SPEED CONTROL DEVICE (ASCD): SYSTEM DESCRIPTION " for the ASCD function.