crankshaft sensor location

I just replaced the crankshaft sensor on my Chevy aveo5 hatchback LS I had to replace two sensors crankshaft sensor and crankshaft position sensor the code mine was throwing for crankshaft position the trouble code P0016 and the other code p 0340 what I had read up on it you won't see one without seeing the other the to correspond together I have the 1.6 L it was passenger side had to take off the upper timing belt cover is there behind the gears was descent the other one is located underneath the old filter at least on mine it was after I had changed those two and cleared the system it always good I do apologize answering you now I just became a member so good luck