NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.

×: Applicable
Wiring diagram
PrecautionUnexpected pedal reaction
Diagnosis Procedure
1.CHECK BRAKE PEDAL STROKE
Check brake pedal stroke.
2.CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector to
deactivate ABS. Check if braking force is
normal in this condition.Connect connector after inspection.
3.CHECK WHEEL SENSOR AND SEN ...
P1800 vias control solenoid valve 1
Description
The VIAS control solenoid valve 1 cuts the intake manifold vacuum signal for
power valve 1 control. It
responds to ON/OFF signals from the ECM. When the solenoid is OFF, the vacuum
signal from the intake
manifold is cut. When the ECM sends an ON signal the coil pulls the plunger ...
Basic inspection
COMPONENT INSPECTION
Inspection
AFTER A COLLISION
WARNING: Inspect all seat belt assemblies
including retractors and attaching hardware after any collision.
NISSAN/INFINITI recommends that all seat belt assemblies in use during a
collision be replaced unless the collision was minor and the b ...