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Home >> Mazda >> 2003 >> 6 s, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls [Self-Diagnostics 3.0L] >> Diagnostic Tests >> DTC P0506: Idle Control System Rpm - Less Than Expected >> Detection Condition

Detection Condition

NOTE: If atmospheric pressure is 21.3 in. Hg (72.2 kPa) or less, or intake air temperature is 14°F (-10°C) or less, PCM cancels diagnosis of P0506.

Actual idle speed is less than expected by 100 RPM for 14 seconds when brake pedal is depressed (brake switch is on) and steering wheel is held straight ahead (power steering pressure switch is off). This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction condition in two consecutive drive cycles or in one drive cycle while DTC for same malfunction has been stored in PCM. PENDING CODE is available if PCM detects malfunction condition during first drive cycle. FREEZE FRAME DATA is available. DTC is stored in PCM memory.

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