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FI6510 FI6607 A00113 KNK signal waveforms 0.5V /Division 5 m sec./Division 100 µ sec./Division 0V 200 mV /Division 0V – DIAGNOSTICS ENGINE DI–65 217 1997 LEXUS ES300 (RM511U) Reference INSPECTION USING OSCILLOSCOPE With the engine racing (4,000 rpm) measure between ter- HINT: The correct waveform is as shown. Spread the time on the horizontal axis, and confirm that µ sec. (Normal mode vibration frequency of knock sensor: HINT: If normal mode vibration frequency is not 7.1 kHz, the |