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:

Wiring diagram
Ipdm e/r (intelligent power distribution module engine room) Wiring diagram ...

Wiring diagram
Base audio Wiring diagram ...

P0500 VSS
EXCEPT FOR M/T MODELS EXCEPT FOR M/T MODELS : Description ECM receives vehicle speed signals from two different paths via CAN communication line: One is from the ABS actuator and electric unit (control unit) via the combination unit and the other is from TCM. EXCEPT FOR M/T MODELS : DTC Logi ...

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