DTC P2128:00 [MZI-3.7]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSE
| DTC P2128:00 |
APP sensor No. 2 circuit high input |
| DETECTION CONDITION |
- APP sensor No 2 is out of self-test range high
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| POSSIBLE CAUSE |
- Connector or terminal malfunction
- APP sensor malfunction
- Open circuit wiring harness between APP sensor terminal C and PCM terminal 1 AD
- Short to power supply in wiring harness between APP sensor terminal C and PCM terminal 1 AD
- Short to power supply in wiring harness between APP sensor terminal B and PCM terminal 1U
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 Courtesy of MAZDA MOTORS CORP.
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