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:
- APP sensor No. 1 malfunction
- Connector or terminal malfunction
- Open circuit in Gray wire between APP sensor 6-pin harness connector terminal "D" and PCM 104-pin harness connector terminal No. 43
- Open circuit in White wire between APP sensor 6-pin harness connector terminal "F" and PCM 104-pin harness connector terminal No. 9
- PCM malfunction
- Short to ground circuit in White wire between APP sensor 6-pin harness connector terminal "F" and PCM 104-pin harness connector terminal No. 9