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 determines generator output voltage is 17 volts or more, or battery voltage is 11 volts or less while engine is running. This is a Continuous Monitor (other). MIL does not come on. PENDING CODE is available if PCM detects malfunction condition. FREEZE FRAME DATA is available. DTC is stored in PCM memory.