Test Description
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table.
- 2. Listen for an audible click when the cooling fan s/p and the cooling fan 2 relays operate. Command both the ON and OFF states. Repeat the commands as necessary.
- 3. Tests for voltage at the coil side of the cooling fan 2 relay. The cool fan 2 fuse supplies battery positive voltage to the coil side of the cooling fan 2 relay.
- 4. Verifies that the PCM is providing ground to the cooling fan 2 relay.
- 5. Tests if ground is constantly being applied to the cooling fan 2 relay.