Mazda MX-5 Miata Sport 2007 Manual page 993

Fig. 17: Waveform Graph (Ignition Timing Signals)
Courtesy of MAZDA MOTORS CORP.
Fuel Injection Signals
PCM Terminals
Fuel Injection No.1: 2BB (+) - Negative battery terminal (-)
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Fuel Injection No.2: 2BC (+) - Negative battery terminal (-)
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Fuel Injection No.3: 2BD (+) - Negative battery terminal (-)
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Fuel Injection No.4: 2AZ (+) - Negative battery terminal (-)
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Oscilloscope Setting
10 V/DIV (Y), 10 ms/DIV (X), DC range
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Vehicle Condition
Idle after warm-up
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2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Engine Control System - MX-5 Miata