Knock Sensor Inspection

Knock Sensor Inspection

1) With ignition mode of keyless push start system in "OFF", disconnect connector (2) from knock sensor.
2) Connect oscilloscope (1) as shown in figure.





3) Check that knock sensor signal (1) shows the following waveform when plastic hammer inflicts a strong impact on the cylinder block.

If faulty condition is found, replace knock sensor. Knock Sensor Removal and Installation