Shift Solenoid B Signal; Fuel Injection Control Signal - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes

Shift solenoid B signal

PCM terminals
• 1BH (+)-Negative battery terminal (-)
Oscilloscope setting
• 5 V/DIV (Y), 5 ms/DIV (X), DC range
Vehicle condition
• 1GR (except L range (HOLD))

Fuel injection control signal

PCM terminals
• No.1: 2B (+)-Negative battery terminal (-)
• No.2: 2C (+)-Negative battery terminal (-)
• No.3: 2D (+)-Negative battery terminal (-)
• No.4: 2H (+)-Negative battery terminal (-)
Oscilloscope setting
• 5 V/DIV (Y), 10 ms/DIV (X), DC range
Vehicle condition
• Idle after warm-up
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