Operation CHARM
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Mazda
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2006
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5 L4-2.3L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Timing Components
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Variable Valve Timing
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Variable Valve Timing Actuator
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Testing and Inspection
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Oscilloscope Patterns and Waveforms
Oscilloscope Patterns and Waveforms
OCV signal
-
PCM terminals: 2AF (+)-body ground (-)
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Oscilloscope setting:
2.5 V
/DIV (Y),
1 minute
/DIV (X), DC range
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Vehicle condition: Idle after warm up (engine speed approx.
650 rpm
, no load)