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Home >> Nissan-Datsun >> 2019 >> Sentra SL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Control System (Introduction) (1.6L)) >> System Description >> System >> Cooling Fan Control >> System Description >> Input/Output Signal Chart
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Input/Output Signal Chart

WARNING: This page is about a different variant/trim than selected.

Sensor

Input signal to ECM

ECM function

Actuator

Crankshaft position sensor (POS)

Engine speed *

Cooling fan control

IPDM E/R

-

Cooling fan control module

-

Cooling fan motor

Camshaft position sensor (PHASE)

Engine coolant temperature sensor

Engine coolant temperature

Refrigerant pressure sensor

Refrigerant pressure

Battery

Battery voltage *

Combination meter

CAN communication

Vehicle speed signal

BCM

CAN communication

A/C ON signal

A/C evaporator temperature*

Target A/C evaporator temperature*

Blower fan ON signal*

*: The ECM determines the start signal status by the signals of engine speed and battery voltage.