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Fuel Injection Control (+) Signal
 Courtesy of MAZDA MOTORS CORP.
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PCM terminals
- Fuel Injection No. 1: 1DP (+)-body ground (-)
- Fuel Injection No. 2: 1DX (+)-body ground (-)
- Fuel Injection No. 3: 1EB (+)-body ground (-)
- Fuel Injection No. 4: 1DT (+)-body ground (-)
Oscilloscope setting
- 20 V/DIV (Y), 50 ms/DIV (X), DC range
Vehicle condition