Component Description

WARNING: This page is about a different car, the 2004 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.

When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON.

Fig 1: Identifying ASCD Brake Switch And Stop Switch Lamp

Courtesy of NISSAN MOTOR CO., U.S.A.

ECM detects the state of the brake pedal by this input of two kinds (ON/OFF signal).

Refer to AUTOMATIC SPEED CONTROL DEVICE (ASCD) SYSTEM for the ASCD function.