NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting - Engine Noise

Use the Chart Below to Help You Find the Cause of the Symptom

A: Closely related B: Related C: Sometimes related -: Not related
PreparationP0451 evap control system pressure sensor
Description
The EVAP control system pressure sensor detects pressure in the
purge line. The sensor output voltage to the ECM increases as pressure
increases
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
Never remove fuel filler cap during DTC confirmation procedur ...
P1778 step motor
Description
The step motor changes the step by turning 4
coils ON/OFF according to the signal from TCM. As a result,
the flow of line pressure to primary pulley is changed and pulley ratio is
controlled.
This diagnosis item is detected when the
electrical syste ...
NISSAN Intelligent Key
1. Intelligent Keys (two sets)
2. Mechanical keys
3. Key number plate (one plate)
Your vehicle can only be driven with the Intelligent
Keys which are registered to your vehicle's Intelligent
Key System components.
Never leave these keys in the vehicle.
As many as four Intelligent Keys can ...