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Engine Controls - Techstream(R) ECU Re-Flash Procedure|Page 3603 > < Engine Controls - Techstream(R) ECU Re-Flash Procedure|Page 3601
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HINT: The wavelength becomes shorter as the engine rpm increases.

(d) WAVEFORM 4

(1) Knock sensor signal

HINT:
-

The wavelength becomes shorter as the engine rpm increases.

-

The waveforms and amplitudes displayed differ slightly depending on the vehicle.

(e) WAVEFORM 5

(1) Variable valve timing sensor signal (1)
(2) Crankshaft position sensor signal (2)

HINT: The wavelength becomes shorter as the engine rpm increases.

(f) WAVEFORM 6

(1) Igniter IGT signal (from ECM to igniter) (1)
(2) Igniter IGF signal (from igniter to ECM) (2)

Engine Controls - Techstream(R) ECU Re-Flash Procedure|Page 3603 > < Engine Controls - Techstream(R) ECU Re-Flash Procedure|Page 3601