Schematic Reference: Refer to Engine Cooling Schematics

DEFINITION: Engine cooling fan motors run continuously at high or low speed.

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

Ignition ON, engine OFF.

Are both cooling fans operating at low speed?

Go to Step 4

Go to Step 3

Is the cooling fan operating at high speed?

Go to Step 5

Go to Symptoms - Engine Cooling

Remove the low speed fan relay.

Did the fans turn OFF?

Go to Step 6

Repair the cooling fan motor supply voltage circuit of the cooling fan for a short circuit to voltage.

Remove the high-speed fan relay.

Does the cooling fan turn OFF?

Go to Step 7

Repair the cooling fan motor supply voltage circuit of the cooling fan for a short circuit to voltage.

Inspect for poor connections at the low speed fan relay. Refer to Symptoms - Engine Cooling .

Did you find and correct the condition?

System OK

Replace the low speed fan relay.

Inspect for poor connections at the high speed fan relay.

Did you find and correct the condition?

System OK

Replace the high speed fan relay.