DTC P1506: Idle Air Control (IAC) System Malfunction

Fig 1: DTC P1506 Idle Air Control (IAC) System Malfunction: Detection Condition & Possible Cause

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Fig 2: DTC P1506 Idle Air Control (IAC) System Malfunction: Hint & Idle Air Control Valve Harness Connector View

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Fig 3: DTC P1506 Idle Air Control (IAC) System Malfunction: Inspection (Steps 1-2)

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Fig 4: DTC P1506 Idle Air Control (IAC) System Malfunction: Inspection (Steps 3-5)

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Fig 5: DTC P1506 Idle Air Control (IAC) System Malfunction: Inspection (Steps 6-7)

Courtesy of MAZDA MOTORS CORP.