Nissan Altima 2007-2012 Service Manual: Function diagnosis
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting - Engine Noise
1. Camshaft bearing noise
2. Piston pin noise
3. Piston slap noise
4. Main bearing noise
5. Connecting rod bearing noise
6. Drive belt noise (Sticking/Slipping)
7. Drive belt noise (Slipping)
8. Water pump noise
9. Timing chain and chain tensioner noise
10. Tappet noise
A. Valve
B. Valve mechanism
C. Rotation mechanism
D. Drive belt
E. Timing chain
Use the Chart Below to Help You Find the Cause of the Symptom
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. Repair or replace the identified part as necessary.
A: Closely related
B: Related
C: Sometimes related —: Not related
Preparation
Special Service Tool
The actual shapes of Kent-Moore tools may differ from those of special
service tools illustrated here.
Commercial Service Tool
...
Other materials:
Fuel injector
Description
The fuel injector is a small, precise solenoid valve. When the ECM
supplies a ground to the fuel injector circuit, the coil in the fuel injector
is energized. The energized coil pulls the ball valve back and
allows fuel to flow through the fuel injector into the intake manifold.
...
Bluetooth® Hands-Free Phone System voice commands
To access the Bluetooth® Hands-Free Phone
System voice commands:
1. Press the button.
2. Say “Call” and then a name in the vehicle
phonebook to call that entry. Otherwise, say
“Phone” to access various phone commands.
If the Bluetooth® has been set to “Off”, the
system announ ...
DLC branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the data link connector for damage,
bend and loose connection
(connector side and harness side) ...