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. 2 malfunction
- Connector or terminal malfunction
- Open circuit between APP sensor 6-pin harness connector terminal "A" (Red/Black wire) and PCM 104-pin harness connector terminal No. 45 (Light Green/Red wire)
- Open circuit in Blue/Yellow wire between APP sensor 6-pin harness connector terminal "C" and PCM 104-pin harness connector terminal No. 10
- PCM malfunction
- Short to ground circuit in Blue/Yellow wire between APP sensor 6-pin harness connector terminal "C" and PCM 104-pin harness connector terminal No. 10