Nissan Sentra Service Manual: Symptom diagnosis
Noise, vibration and harshness (nvh) troubleshooting
NVH Troubleshooting Chart
Use chart below to find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable
Preparation
Commercial Service Tools
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Other materials:
Cooling fan control
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, engine coolant
temperature, refrigerant pressure,
air conditioner ON signal. Then control system has 3-step control
[HIGH/LOW/OFF].
Cooling Fan Operation
Cooling Fan Relay Operation
Whe ...
Wiring diagram
Remote keyless entry system
Wiring diagram
Power door lock system
Wiring Diagram
Trunk lid opener
Wiring diagram
...
L terminal circuit (open)
Description
The “L” terminal circuit controls the charge warning lamp. The charge warning
lamp turns ON when the ignition
switch is set to ON or START. When the generator is providing sufficient voltage
with the engine running,
the charge warning lamp turns OFF. If the charge warnin ...
