ASCD Brake Switch: Wiring Diagram

Fig 1: WIRING DIAGRAM ASCD Brake Switch

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

Specification data are reference values and are measured between each terminal and ground.

CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the engine ground.

SPECIFICATION DATA AND REFERENCE VALUES

TERMINAL NO.	WIRE COLOR	ITEM	CONDITION	DATA (DC Voltage)
101	P/L	Stop lamp switch	[Ignition switch: ON] Brake pedal is fully released	Approximately 0V
101	P/L	Stop lamp switch	[Ignition switch: ON] Brake pedal is depressed	BATTERY VOLTAGE (11 - 14V)
108	SB	ASCD brake switch	[Ignition switch: ON] Brake pedal is depressed (A/T models) Brake pedal and/or clutch pedal are depressed (M/T models)	Approximately 0V
108	SB	ASCD brake switch	[Ignition switch: ON] Brake pedal is fully released (A/T models) Brake pedal and clutch pedal are fully released (M/T models)	BATTERY VOLTAGE (11 - 14V)