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Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing >> ASCD Brake Switch >> Component Description

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 "AUTOMATIC SPEED CONTROL DEVICE (ASCD) " for the ASCD function.

Fig 1: Checking ASCD Brake Switch Power Supply Circuit
G04900666Courtesy of NISSAN NORTH AMERICA, INC.