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Home >> Nissan-Datsun >> 2009 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing (Qr25DE) >> ASCD Brake Switch >> Component Description
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Component Description

When depress on the brake pedal, ASCD brake switch (1) is turned OFF and stop lamp switch (2) is turned ON. ECM detects the state of the brake pedal (3) 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, Stop Lamp Switch And Brake Pedal
G04925533Courtesy of NISSAN MOTOR CO., U.S.A.