Fuel injection control

Fig 1: Fuel Injection Control Waveform

PCM terminals 

• Fuel Injection No.1: 2BB(+)-body ground(-)
• Fuel Injection No.2: 2BC(+)-body ground(-)
• Fuel Injection No.3: 2BD(+)-body ground(-)
• Fuel Injection No.4: 2AZ(+)-body ground(-)

Oscilloscope setting 

• 10 V/DIV (Y), 25 ms/DIV (X), DC range

Vehicle condition 

• Idle (after warm up)