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:

Rocker cover
Exploded View Oil filler cap Rocker cover protector Oil filler tube O-ring Rocker cover Rocker cover gasket Refer to INSTALLATION Removal and Installation REMOVAL Remove intake manifold. Refer to EM-27, "Exploded View". Remove rocker cover protector. Re ...

Vehicle information
Identification information Model Variation Identification Number Vehicle identification number (VIN) plate Vehicle identification number (chassis number) Emission control information label Air Conditioner specification label F.M.V.S.S./C.M.V.S.S. certificat ...

Mixture ratio self-learning value clear
Description This describes how to erase the mixture ratio self-learning value. For the actual procedure, follow the instructions in “Diagnosis Procedure”. Work Procedure 1.START With CONSULT Start engine and warm it up to normal operating temperature. Select “SELF-LEARNI ...

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