What should 5v ref 1 and 5v ref 2 read On gm throttle body?

Question

Wanting to know what the 2 5v references should be read in on closed and wide open throttle. Do they send the same voltage to 2 sensors or are the voltages different?

Answer 1

On the TP signal, Both the TP signal increases as the throttle blade is open. If there is a code set it would be much better to resolve any issue. there a lot of TPS code that this vehicle loves to set.