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Mazda
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2006
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MX-5 Miata L4-2.0L
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Repair and Diagnosis
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Starting and Charging
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Charging System
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Alternator
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Testing and Inspection
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Oscilloscope Patterns and Waveforms
Oscilloscope Patterns and Waveforms
Generator output voltage signal
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PCM terminals: 2AJ (+)-Negative battery terminal (-)
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Oscilloscope setting:
2 V
/DIV (Y),
1 minute
/DIV (X), DC range
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Vehicle condition: Idle after warm-up