Nissan Sentra Service Manual: 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
When IPDM E/R recieves a cooling fan speed request signal, IPDM E/R controls the cooling fan ralay 1, 2 and 3.
Air conditioning cut control
AIR CONDITIONING CUT CONTROL : System Description
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
Sensor
Input Signal to ECM
ECM function
Actuator
Crankshaft position sensor ( ...
Starter motor drive control
STARTER MOTOR DRIVE CONTROL : System Description
SYSTEN DIAGRAM
*1: CVT models
*2: M/T models
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
...
Other materials:
Symptom diagnosis
Nissan vehicle immobilizer systemnats
symptoms
Symptom Table
Note:
Before performing the diagnosis in the following table, check
“SEC-171, "Work Flow"”.
Check that vehicle is under the condition shown in “Conditions of
vehicle” before starting diagnosis, ...
Rear combination lamp
Exploded view
Rear combination lamp
Rear turn signal lamp bulb
Rear turn signal lamp socket
LED lamp harness connector
Rear combination lamp harness
connector
Back-up lamp bulb socket
Back-up lamp bulb
Removal and installation
Removal
Partially remove trunk side finis ...
Air cleaner and air duct
Exploded View
Mass air flow sensor
Mass air flow gasket
Clamp
Air duct (suction side)
Resonator
Clamp
PCV hose
Clamp
Clamp
Air cleaner cover
Mounting rubber
Air cleaner filter
Air cleaner body
Air duct inlet (lower)
Air duct inlet (upper)
Mounting rubber
Brack ...
