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 PSP switch single pin harness connector terminal and PCM 30-pin harness connector terminal "1Z" (Black/Blue wire)
- PCM malfunction
- PSP switch malfunction
- Short to ground in wiring between PSP switch harness connector terminal and PCM 30-pin harness connector terminal "1Z" (Black/Blue wire)