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Home >> Mazda >> 2003 >> Protege LX, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0505: Idle Air Control Valve Circuit Malfunction >> Detection Condition
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Detection Condition

DTC is set when PCM detects Idle Air Control (IAC) valve circuit current is less than 100 milliamps or more than 4.5 amps for one second. Monitoring is performed while IAC duty is 18-70 percent. This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction during first drive cycle. Pending code is not available. Freeze Frame Data is available and DTC is stored in PCM memory.

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