Nissan Sentra manuals

Nissan Sentra Service Manual: Symptom diagnosis

Noise, vibration and harshness (NVH) troubleshooting

NVH troubleshooting chart


  1. Locate the area where noise occurs.
  2. Confirm the type of noise.
  3. Specify the operating condition of engine.
  4. Check specified noise source.

If necessary, repair or replace these parts.


  1. Closely related
  2. Related
  3. Sometimes related —: Not related
Commercial Service Tools
...

Periodic maintenance
...

Other materials:

Ecm branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the ecm for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? Yes > ...

Symptom diagnosis
Power door lock system symptoms Symptom table Door lock/unlock function malfunction Note: Before performing the diagnosis in the following table, check “WORK FLOW”. Refer to DLK-245, "Work Flow". Check that vehicle is under the condition shown in “conditions of ...

P2127, P2128 APP Sensor
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P2127 APP SEN 2/CIRC (Throttle/Pedal position sensor/switch “E” circuit low) An excessively low voltage from the APP ...

© 2014-2025 Copyright www.nisentra.com