DTC P1564 ASCD Steering Switch: Wiring Diagram

WARNING: This page is about a different car, the 2008 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

For PG, go to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS .

Fig 1: Wiring Diagram - EC-ASC/SW-01

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 ground.

CONNECTOR TERMINAL SPECIFICATION DATA REFERENCE VALUES

TERMINAL NO.	WIRE COLOR	ITEM	CONDITION	DATA (DC Voltage)
67	B	Sensor ground	[Engine is running] Warm-up condition Idle speed	Approximately 0V
99	G/Y	ASCD steering switch	[Ignition switch: ON] ASCD steering switch: OFF	Approximately 4V
			[Ignition switch: ON] MAIN switch: Pressed	Approximately 0V
			[Ignition switch: ON] CANCEL switch: Pressed	Approximately 1V
			[Ignition switch: ON] RESUME/ACCELERATE switch: Pressed	Approximately 3V
			[Ignition switch: ON] SET/COAST switch: Pressed	Approximately 2V