Nissan Sentra Service Manual: Symptom diagnosis
Noise, vibration and harshness (NVH) troubleshooting
NVH troubleshooting chart
- Locate the area where noise occurs.
- Confirm the type of noise.
- Specify the operating condition of engine.
- Check specified noise source.
If necessary, repair or replace these parts.
- Closely related
- Related
- Sometimes related —: Not related
Other materials:
Low tire pressure warning lamp
Component Function Check
1.CHECK THE ILLUMINATION OF THE LOW TIRE PRESSURE WARNING LAMP
Check that the low tire pressure warning lamp is turned OFF after
illuminating for approximately 1 second,
when the ignition switch is turned ON.
Is the inspection result normal?
YES >> Inspection ...
P0643 Sensor power supply
Description
ECM supplies a voltage of 5.0 V to some of the sensors systematically divided
into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a
malfunction may occur simultaneously
in the sensors belonging to the same group as the shorted-circui ...
Power supply and ground circuit
Av control unit
Av control unit : diagnosis procedure
Regarding Wiring Diagram information, refer to AV-234, "Wiring Diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown?
Yes >> replace the blown fuse after repairing the affected circuit.
...
