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Home >> Mazda >> 2003 >> Protege Mazdaspeed >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0090: Pressure Regulator Control Solenoid Valve Malfunction >> Detection Condition
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Detection Condition

DTC is set when PCM detects low or high input voltage from Pressure Regulator Control (PRC) solenoid valve. This is a Continuous Monitor (CM). MIL is illuminated when PCM detects malfunction condition in 2 consecutive drive cycles. Pending code is available if PCM detects malfunction condition during first drive cycle. Freeze frame data is available. DTC is not stored in PCM memory.

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