Nissan Sentra manuals

Nissan Sentra Service Manual: Cooling fan control

SYSTEM DIAGRAM

SYSTEM DESCRIPTION


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


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.

Starter motor drive control


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:

Removal and installation
Av control unit Exploded view AV control unit Av control unit bracket (lh) AV control unit bracket (RH) Removal and installation Removal Caution: Remove battery terminal and av control unit after a lapse of 30 seconds or more after turning the ignition switch off. Before ...

Instrument lower panel lH
Removal and Installation REMOVAL Remove the instrument side finisher LH (1) using a suitable tool. Remove the hood and fuel filler handle assembly from the instrument lower panel LH. Refer to DLK-191, "FUEL FILLER OPENER CABLE : Removal and Installation". Release the ...

BCM  branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the bcm for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? Yes > ...

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