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:
System description
Component parts
Component parts location
Front tweeter lh
GPS antenna
Steering switches
Av control unit
Front tweeter rh
Microphone
Front door speaker LH
Front door speaker rh
Rear speaker RH
Rear speaker lh
Antenna amp.
Satellite antenna
Rear view camera
Window a ...
Battery saver output/power supply circuit
Description
Provides the battery saver output/power supply. Also cuts the power supply
when the interior lamp battery
saver is activated.
Component function check
1.Check battery saver output/power supply function
Consult
Turn ignition switch on.
Turn each interior lamp to the ON posit ...
Precaution for supplemental restraint system (srs) "air bag" and "seat belt
pre-tensioner"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
