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Component Description

WARNING: This page is about a different car, the 2004 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Automatic Speed Control Device (ACSD)

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: Locating ASCD Brake & Stop Lamp Switches
G00345592Courtesy of NISSAN MOTOR CO., U.S.A.