Waveform 4

Knock Sensor

REFERENCE WAVEFORM 4

Symbol (Terminal No.)	Between KNK1 and EKNK Between KNK2 and EKN2
Tester Range	1 V/DIV., 1 msec./DIV.
Condition	Engine speed maintained at 4,000 rpm after warming up engine

HINT:

The wavelength becomes shorter as the engine rpm increases.
The waveforms and amplitudes displayed differ slightly depending on the vehicle.

Fig 1: Knock Sensor Graph - Waveform 4
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