Engine Control System - Component Testing (VK45DE): VIAS: Wiring Diagram

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

Fig 1: EC-VIAS-01 - Wiring Diagram

Courtesy of NISSAN NORTH AMERICA, INC.

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.

SPECIFICATION DATA

TERMINAL NO.	WIRE COLOR	ITEM	CONDITION	DATA (DC Voltage)
29	V	VIAS control solenoid valve	[Engine is running] Selector lever: P or N	0 - 1.0V
			[Engine is running] Selector lever: D Engine speed: Below 5, 000 rpm	BATTERY VOLTAGE (11 - 14V)
			[Engine is running] Engine speed: Above 5, 000 rpm	0 - 1.0V
111	SB	ECM relay (Self shut-off)	[Engine is running] [Ignition switch: OFF] For a few seconds after turning ignition switch OFF	0 - 1.5V
111	SB	ECM relay (Self shut-off)	[Ignition switch: OFF] More than a few seconds after turning ignition switch OFF	BATTERY VOLTAGE (11 - 14V)
119 120	R R	Power supply for ECM	[Ignition switch: ON]	BATTERY VOLTAGE (11 - 14V)