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Fuel Injection Control (+) Signal

Fig 1: Fuel Injection Control (+) Output Voltage Signal Graph

Courtesy of MAZDA MOTORS CORP.

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

Idle after warm up