what is code #52 for 1995 toyota celica convertible

Question

The check engine light comes on and the code comes up #52; thought it was the knock sensor and replaced it. The check engine light still comes on, checked the code again, #52 still comes up?

Answer 1

DTC 52 Knock sensor signal

This is the knock sensor signal,check and inspect the wiring to the knock sensor signal, The knock sensor must also be properly torue down to 33 ft lb