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:

Basic inspection
Diagnosis and repair workflow Work Flow (With GR8-1200 NI) STARTING SYSTEM DIAGNOSIS WITH GR8-1200 NI To test the starting system, use the following special service tool: GR8-1200 NI Multitasking battery and electrical diagnostic station NOTE: Refer to the diagnostic station Instruction M ...

Driver side power window does not operate
Diagnosis Procedure 1.Check front power window motor (driver side) Check front power window motor (driver side). Refer to pwc-43, "driver side : diagnosis procedure". Is the inspection result normal? Yes >> go to 2. No >> repair or replace the malfunctioning parts. ...

Ducts and grilles
Exploded View Heating and cooling unit assembly Center ventilator duct Defroster duct Side ventilator duct (LH) Front floor duct (LH) Rear floor connecting duct (LH) Rear floor duct (LH) Rear floor duct nozzle (LH) Rear floor duct nozzle (RH) Rear floor duct (RH) Rear flo ...

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