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Home >> Infiniti >> 2008 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P1148 To P2A03 >> DTC P1572: ASCD Brake Switch >> Component Description
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Component Description

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 this input of two kinds (ON/OFF signal).

Refer to "SYSTEM DESCRIPTION " for the ASCD function.

Fig 1: Checking ASCD Brake Switch Power Supply Circuit
G05739650Courtesy of NISSAN MOTOR CO., U.S.A.