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 between throttle body 6-pin harness connector terminal "A" (Black/Orange wire) and PCM 104-pin harness connector terminal No. 80 (Blue/White wire)
- Open circuit between throttle body 6-pin harness connector terminal "B" (Green/Red wire) and PCM 104-pin harness connector terminal No. 54 (Blue/Black wire)
- PCM malfunction
- Short to ground circuit between throttle body 6-pin harness connector terminal "A" (Black/Orange wire) and PCM 104-pin harness connector terminal No. 80 (Blue/White wire)
- Short to ground circuit between throttle body 6-pin harness connector terminal "B" (Green/Red wire) and PCM 104-pin harness connector terminal No. 54 (Blue/Black wire)
- Short to power circuit between throttle body 6-pin harness connector terminal "A" (Black/Orange wire) and PCM 104-pin harness connector terminal No. 80 (Blue/White wire)
- Throttle actuator malfunction