Iac (+) Signal - Mazda 3 Workshop Manual

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

IAC (+) signal

PCM terminals
• 2X (+)-Negative battery terminal (-)
Oscilloscope setting
• 2 V/DIV (Y), 2 ms/DIV (X), DC range
Vehicle condition
• Idle after warm-up
IAC (-) signal
PCM terminals
• 2AB (+)-Negative battery terminal (-)
Oscilloscope setting
• 2 V/DIV (Y), 2 ms/DIV (X), DC range
Vehicle condition
• Idle after warm-up
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