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.
- BARO sensor malfunction
- Connector or terminal malfunction
- Open circuit in Red/Black wire between BARO sensor 3-pin harness connector terminal "C" and PCM 30-pin harness connector terminal "2K"
- PCM malfunction
- Short circuit to ground in Pink wire between BARO sensor 3-pin harness connector terminal "A" and PCM 30-pin harness connector terminal "1G"