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Home >> Mazda >> 2003 >> 6 i, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls [Self-Diagnostics 2.3L] >> Diagnostic Tests >> DTC P0661: Variable Intake-Air System Control Solenoid Valve Circuit - Low Input >> Detection Condition
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Detection Condition

PCM monitors Variable Intake-air System (VIS) control solenoid valve control signal at PCM 30-pin harness connector terminal "4R". If PCM turns VIS control solenoid valve off, but voltage at PCM 30-pin harness connector terminal "4R" still remains low, PCM determines that VIS control solenoid valve circuit has malfunction.

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