DTC P0123: Notes
DTC P0123 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P0123 |
TP circuit high Input |
| DETECTION CONDITION |
- If PCM detects TP sensor voltage at PCM terminal 40 is above 4.96 V
after key to ON, PCM determines that TP circuit has a malfunction.
Diagnostic support note
- This is a continuous monitor (CCM).
- The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.
- PENDING CODE is available if the PCM detects the above malfunction condition.
- FREEZE FRAME DATA is available.
- DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- TP sensor malfunction
- Connector or terminal malfunction
- Open circuit between TP sensor terminal A and PCM terminal 20
- Short to constant voltage supply circuit between TP sensor terminal B and PCM terminal 40
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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