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Home >> Infiniti >> 2014 >> Q70 5.6, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Control System (Introduction) (Hybrid)) >> System Description >> System >> Cooling Fan Control >> COOLING FAN CONTROL: System Description >> Input/Output Signal Chart

Input/Output Signal Chart

WARNING: This page is about a different variant/trim than selected.
Sensor/Unit Input signal to ECM ECM function Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Engine speed Cooling fan control HPCM

IPDM E/R

Cooling fan control module

Cooling fan motor
Engine coolant temperature sensor Engine coolant temperature
Refrigerant pressure sensor Refrigerant pressure
Combination meter Vehicle speed
A/C auto amp.→HPCM A/C ON signal
A/C evaporator temperature
Target A/C evaporator temperature
Blower fan ON signal
(1) This signal is sent to ECM via the CAN communication line.