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Mazda
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2001
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MX-5 Miata L4-1.8L DOHC
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Sensors and Switches - Computers and Control Systems
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Oxygen Sensor
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Testing and Inspection
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Oscilloscope Patterns and Waveforms
Oscilloscope Patterns and Waveforms
HO2S (front) signal
-
PCM terminal: 4W (+) <-> 4A (-)
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Oscilloscope setting:
0.2 V
/DIV(Y),
2.0 ms
/DIV(X), DC range
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Vehicle condition: Idle after warm-up