DTC P0123:00: Notes
DTC P0123:00 (LF, L5) DETECTION CONDITION AND POSSIBLE CAUSE
| DTC P0123:00 |
TP sensor No. 1 circuit high input |
| DETECTION CONDITION |
- If the PCM detects the TP sensor No. 1 voltage is to be above 4.85 V after switch the ignition to ON, PCM determines that TP sensor 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 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 |
- Throttle body connector or terminals malfunction
- PCM connector or terminals malfunction
- Short to power supply circuit in wiring harness between throttle body terminal A and PCM terminal 2AK
- TP sensor No. 1 signal circuit and power supply circuit are shorted to each other
- Open circuit in wiring harness between throttle body terminal D and PCM terminal 2AN
- TP sensor No. 1 malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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