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Home >> Mazda >> 2000 >> MPV ES >> Repair and Diagnosis >> External Pages >> Different car >> Section 70 (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

WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

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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