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:

C1116 Stop lamp switch
DTC Logic DTC DETECTION LOGIC DTC Display item Malfunction detected condition Possible cause C1116 STOP LAMP SW When stop lamp switch circuit is open. Harness or connector Stop lamp switch ABS actuator and electric unit (control unit) ...

Control buttons
The control buttons for the Bluetooth® Hands-Free Phone System are located on the steering wheel. PHONE/SEND Press the   button to initiate a VR session or answer an incoming call. You can also use the button to interrupt the system feedback and give a command at once. See “L ...

Front disc brake
BRAKE PAD BRAKE PAD : Inspection PAD WEAR Check brake pad thickness from an inspection hole on caliper body. Check using a scale if necessary Wear limit thickness : Refer to BR-55, "Front Disc Brake". DISC ROTOR DISC ROTOR : Inspection APPEARANCE Check surface of disc rotor ...

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