October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Knock Sensor (KS)

Installed on cylinder block, this sensor responds to cylinder block vibrations resulting from detonation. If detonation occurs, KS generates and sends a signal to ECM. From this signal, ECM retards spark timing until detonation stops. This device may also be referred to as a detonation sensor.