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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2342 (Engine Control System (Qr) - Component Testing) >> ASCD Brake Switch >> Component Description
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Component Description

WARNING: This page is about a different car, the 2005 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.

When depress on the brake pedal, 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: Identifying ASCD Brake Switch
G03593527Courtesy of NISSAN MOTOR CO., U.S.A.