DTC P2128:00: Notes
DTC P2128:00 (LF, L5) DETECTION CONDITION AND POSSIBLE CAUSE
| DTC P2128:00 |
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 3 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.
- FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
- The DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- APP sensor connector or terminals malfunction
- Open circuit in wiring harness between APP sensor terminal D and body ground
- PCM connector or terminals malfunction
- Short to power supply in wiring harness between APP sensor terminal E and PCM terminal 1X
- APP sensor No. 2 malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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