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

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