Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK VIAS CONTROL SOLENOID VALVE 1 POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect VIAS control solenoid valve 1 harness connector.
- Turn ignition switch ON.
- Check the voltage between VIAS control solenoid valve 1 harness connector and ground.
+
-
Voltage
VIAS control solenoid valve 1
Connector
Terminal
F63
1
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 2.
NO
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK VIAS CONTROL SOLENOID VALVE 1 OUTPUT SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between VIAS control solenoid valve 1 harness connector and ECM harness connector.
VIAS control solenoid valve 1
ECM
Continuity
Connector
Terminal
Connector
Terminal
F63
2
F14
108
Existed
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 3.
NO
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK VIAS CONTROL SOLENOID VALVE 1
Check VIAS control solenoid valve 1. Refer to Component Inspection .
Is the inspection result normal?
YES
INSPECTION END
NO
Replace VIAS control solenoid valve 1. Refer to Component Parts Location .