Thanks for the info.
The light does not have to be on to have thrown a code. Some - the light comes on - a code is thrown and when the key is cycled the light is off but the code remains.
Below is some info for you. The last item is the actual fans are always on troubleshooting.
Inside Electrical Center At Right Side Of Engine Compartment
3.1L & 3.8L "W" BODY (GRAND PRIX)
NOTE: Cooling fan circuit utilizes 3 cooling fan relays. Relays directly controlling fan motors are 4-pin type and are referred to as No. 1 and 2. Relay determining cooling fan motor low speed or high speed operation is referred to as 5-pin relay in this test. See WIRING DIAGRAMS.
Cooling Fan Always On (3.8L)
1. If diagnostic system check has been performed, go to next step. If diagnostic system check has not been performed, see DIAGNOSTIC SYSTEM CHECK.
2. Turn ignition on, engine off. If one or both cooling fans are on, go to next step. If one or both cooling fans are not on, problem is intermittent.
3. If both cooling fans are running continuously, go to step 5. If both cooling fans are not running continuously, go to next step.
4. Remove cool fan relay. If left cooling fan turned off, go to step 6. If left cooling fan did not turn off, go to step 7.
5. Repair short to voltage in right cooling fan supply voltage circuit. After repairs, go to step 8.
6. Repair short to voltage in right cooling fan low reference circuit. After repairs, go to step 8.
7. Repair short to voltage in left cooling fan supply voltage circuit. After repairs, go to next step.
8. Operate system to verify repair.
Friday, February 13th, 2009 AT 2:28 PM