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:

P0720 Output speed sensor
DTC Logic DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes P0720 OUTPUT SPEED SENSOR (Output Speed Sensor Circuit) The output speed sensor value is less than 150 rpm continuously for 5 seconds ...

Rear drum brake
BRAKE LINING BRAKE LINING : Inspection INSPECTION Brake Lining Check brake lining wear thickness (A). Check using a scale if necessary. Lining wear thickness (A) : Refer to BR-55, "Rear Drum Brake". BRAKE DRUM BRAKE DRUM : Inspection INSPECTION Appearance Check surfac ...

The low washer fluid warning lamp does not turn on or off
Description The low washer fluid warning lamp is still illuminated even after washer fluid is added. The low washer fluid warning lamp is not illuminated even though the washer tank is empty. Diagnosis procedure 1.Check washer fluid level switch signal circuit Check the washer fluid ...

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