Cooling fan should come on when coolant temperature exceeds 235 degrees Fahrenheit or A/C or defroster are turned on
Check the relays and fuses.
there is no cam sensor on any 1996 saturn- i presume there is a code p0341 set- check the 1/4 plug wires, plugs, and coils
The 1996 Pontiac Grand Prix cooling fan sensor is located on the front of the engine. The fan sensor can be found just above the thermostat.
in the boot
Water pump
In most cases the single wire sensor runs a temp gauge or temp light. The double wire sensor feeds info to the vehicle's computer and operates relays for the cooling fans. This may or may not be the case for your Saturn.
The sensor is threaded into the coolant passage in the back of the cylinder head.
The oxygen sensor on a Saturn can be found in the exhaust manifold at the front of the engine. It simply unscrews and unplugs. 5 minute fix!
http://youtube.com/watch?v=JC0U53w_Htk
The air intake sensor is a resistor that goes to the PCM. A schematic can be found in a service manual
the sensor is probly bad or you have short in it
The cooling temp sensor for the ecm is located under the fill tank located on the pass. side fender well (the black plastic tank with the rad. cap).