Detection Condition
WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
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.