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:
Engine assembly M/T
M/T : Exploded View
Washer
Upper torque rod (RH)
Engine mounting insulator (RH)
Rear torque rod bracket
Rear torque rod
Engine mounting bracket (LH)
Engine mounting frame support (LH)
Engine mounting insulator (LH)
CAUTION:
Check that the stud bolt (*2) is tight at the spe ...
Unit disassembly and assembly
Moonroof unit assembly
Exploded view
Drain assembly
Glass lid
Weatherstrip
Moonroof rail assembly
Drain hose front (RH)
Moonroof motor assembly
Drain hose front (LH)
Side bracket (LH)
Drain hose rear (LH)
Sunshade stopper (LH)
Sunshade
Sunshade stopper (RH)
Drain hos ...
How to erase permanent DTC
Description
OUTLINE
When a DTC is stored in ECM
When a DTC is stored in ECM and MIL is ON, a permanent DTC is erased with MIL
shutoff if the same malfunction
is not detected after performing the driving pattern for MIL shutoff three times
in a raw.
*1: When the same malfunction is detec ...
