Cooling Fan

COOLING FAN

Description
The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, refrigerant pressure, and air conditioner ON signal. The control system has 4-step control [HIGH/MIDDLE/LOW/OFF].




COOLING FAN MOTOR
The cooling fan operates at low (LOW) speed when cooling fan motors-1 and -2 are circuited in series under middle speed condition.
Refer to "System Diagram".

Step 1:

Component Function Check

Step 1:

Step 2-7:

Step 7 (Continued)-9:

Step 10-11:

Diagnosis Procedure

Step 1:

Component Inspection (Cooling Fan Motor)

Step 1:

Component Inspection (Cooling Fan Relay)