Possible Causes
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.
- Connector or terminal malfunction.
- Open circuit between main relay and PRC solenoid valve.
- PCM malfunction.
- PRC solenoid valve malfunction.
- Short or open circuit between PCM and PRC solenoid valve.