Operation CHARM
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Mazda
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2007
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Mazdaspeed3 L4-2.3L Turbo
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Sensors and Switches - Ignition System
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Crankshaft Position Sensor
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Testing and Inspection
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Oscilloscope Patterns and Waveforms
Oscilloscope Patterns and Waveforms
CKP sensor signal
PCM terminals
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2W (+)-body ground (-)
Oscilloscope setting
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2 V/DIV
(Y),
5 ms/DIV
(X), DC range
Vehicle condition
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Idle after warm up (no load, P/S off, A/C off)