Possible Causes
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.
Possible causes are:
- Connector or terminal malfunction
- Open circuit in wiring between main relay and purge solenoid valve 2-pin harness connector terminal "B" (White wire)
- Open circuit in wiring between purge solenoid valve harness connector terminal "A" and PCM 30-pin harness connector terminal "4U" (Blue/Yellow wire)
- PCM malfunction
- Purge solenoid valve malfunction
- Short to ground in wiring between purge solenoid valve harness connector terminal "A" and PCM 30-pin harness connector terminal "4U" (Blue/Yellow wire)
- Short to power circuit between purge solenoid valve harness connector terminal "A" and PCM 30-pin harness connector terminal "4U" (Blue/Yellow wire)