DTC P0123:00: Notes
DTC P0123:00 (MZR 1.5) DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P0123:00 |
TP sensor No. 1 circuit high input |
| DETECTION CONDITION |
- If the PCM detects that the TP sensor No. 1 voltage is more than 4.9 V
after the ignition is switched to ON, the PCM determines that the TP sensor No. 1 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 |
- Throttle body connector or terminals malfunction
- PCM connector or terminals malfunction
- Short to power supply in wiring harness between throttle body terminal F and PCM terminal 2AX
- TP sensor No. 1 power supply circuit and signal circuit are shorted to each other
- Open circuit in wiring harness between the following terminals:
- Throttle body terminal F-PCM terminal 2AX
- Throttle body terminal C-PCM terminal 2AW
- TP sensor No. 1 malfunction
- PCM malfunction
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