6. Check VIAS Control Solenoid Valve Power Supply Circuit

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch OFF.
Disconnect VIAS control solenoid valve harness connector.
Turn ignition switch ON.

Fig 1: Identifying VIAS Control Solenoid Valve
Courtesy of NISSAN MOTOR CO., U.S.A.
Check voltage between terminal 1 and ground with CONSULT-II or tester.
Voltage: Battery voltage

Fig 2: Checking Voltage Between Terminal 1 & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 8. CHECK VIAS CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT .
NG: GO TO 7.