Section 752 (Engine Control System - Component Testing): VIAS: Wiring Diagram

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

Fig 1: EC-VIAS-01 - Wiring Diagram

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.

ITEM CONDITION SPECIFICATION

TERMINAL NO.	WIRE COLOR	ITEM	CONDITION	DATA (DC Voltage)
29	Y/B	VIAS control solenoid valve	[Engine is running] Idle speed	BATTERY VOLTAGE (11 - 14V)
29	Y/B	VIAS control solenoid valve	[Engine is running] Engine speed is between 1, 800 and 3, 600 rpm.	0 - 1.0V
111	W/B	ECM relay (Self shut-off)	[Engine is running] [Ignition switch: OFF] For a few seconds after turning ignition switch OFF	0 - 1.5V
111	W/B	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/G R/G	Power supply for ECM	[Ignition switch: ON]	BATTERY VOLTAGE (11 - 14V)