Workshop Repair Manuals

Nissan and Datsun Workshop Manuals

[NEXT PAGE]

nissan Workshop Repair Guides


Axxess 4WD L4-2389cc 2.4L SOHC MFI (KA24E) (1990)

Relays and Modules > Relays and Modules - Cooling System > Radiator Fan Control Amplifier <--> [Radiator Cooling Fan Control Module] > Component Information > Description and Operation

Page 1
background image

Radiator Fan Control Amplifier: Description and Operation

Radiator Fan Control System

The ECU provides the ground signals to the radiator fan relays to control fan speed and operation based on signals supplied from the engine
temperature sensor, A/C switch and vehicle speed sensor.

Radiator Fan Operation (A/C Off)

Refer to the figure for radiator fan operation operation with the air conditioner off.

Radiator Fan Operation (High A/C Temperature)

Refer to the figure for radiator fan operation operation with the air conditioner on and the A/C output temperature is above 8° C (46° F).

Relays and Modules > Relays and Modules - Cooling System > Radiator Fan Control Amplifier <--> [Radiator Cooling Fan Control Module] > Component Information > Description and Operation

[NEXT PAGE]