Radiator Cooling Fan Motor: Testing and Inspection

COOLING FAN MOTOR COMPONENT INSPECTION [LF, L3]

1. Perform the cooling fan control system inspection. Component Tests and General Diagnostics
1 If the cooling fan control does not operate properly, inspect the following.

1 ECT sensor
2 A/C switch
3 A/C refrigerant pressure switch (High/low pressure)
4 A/C refrigerant pressure switch (Middle pressure)
5 VSS
6 A/C magnetic clutch
7 Fan control module power supply circuit
8 Fan control module ground circuit
9 Fan control signal circuit (between fan control module terminal B and PCM terminal 1Y*1, 1W*2, 1R*3)

1If the all items are normal, replace the cooling fan component.

*1
California emission regulation applicable model
*2
Except for California emission regulation applicable model with LF ATX
*3
Except for California emission regulation applicable model with LF MTX, L3