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CX-5 Sport, AWD
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Inspection Using An Oscilloscope (Reference)
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High pressure fuel pump control (-) signal
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High pressure fuel pump control (-) signal
Fig 1: High Pressure Fuel Pump Control (-) Wave Pattern Signal
Courtesy of MAZDA MOTORS CORP.
PCM terminals
1DJ (+) -body ground (-)
Oscilloscope setting
10 V/DIV (Y), 5 ms/DIV (X), DC range
Vehicle condition
Idle after warm up
Courtesy of MAZDA MOTORS CORP.