DTC P2128: Notes
DETECTION CONDITION AND POSSIBLE CAUSE (DTC P2128)
| DTC P2128 |
APP sensor No.2 circuit high input |
| DETECTION CONDITION |
- The PCM monitors the input voltage from APP sensor No.2 when the engine is running. If the input voltage is more than 4.8 V,
the PCM determines that the APP sensor No.2 circuit has a malfunction.
Diagnostic support note
- This is a continuous monitor (CCM).
- The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- PENDING CODE is available if the PCM detects the above malfunction conditions.
- FREEZE FRAME DATA is available.
- The DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- APP sensor No.2 malfunction
- Connector or terminal malfunction
- Open circuit in wiring harness between APP sensor terminal B and PCM terminal 1AV
- Short to power supply in wiring harness between APP sensor terminal B and PCM terminal 1AV
- Short to power supply in wiring harness between APP sensor terminal C and PCM terminal 1AP
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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