Knock Sensor (KS)
Piezo-electric sensor generates a small current when detecting spark detonation (knock). Sensor signal line is monitored by the PCM. When knock sensor responds to detonation, the PCM will retard ignition timing to minimize knock.
Piezo-electric sensor generates a small current when detecting spark detonation (knock). Sensor signal line is monitored by the PCM. When knock sensor responds to detonation, the PCM will retard ignition timing to minimize knock.