Schematic Reference: Engine Cooling Schematics .

Connector End View Reference: Component Connector End Views .

DEFINITION: One or both engine cooling fan motors run continuously in 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 left cooling fan operating at high speed?

Go to Step 5

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

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 right cooling fan for a short to voltage. Refer to Wiring Repairs .

Remove the high speed fan relay.

Did the left cooling fan turn OFF?

Go to Step 7

Repair the cooling fan motor supply voltage circuit of the left cooling fan for a short to voltage. Refer to Wiring Repairs .

Inspect for poor connections at the low speed fan relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

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. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

System OK

Replace the high speed fan relay.