P0123

DTC P0122 / P0123: Throttle Position Sensor (Main) Circuit Low / High Input

Wiring Diagram

Wiring Diagram:

DTC Detecting Condition and Trouble Area

DTC Detecting Condition And Trouble Area:

DTC Confirmation Procedure
1. With ignition switch OFF, connect scan tool.
2. Turn ON ignition switch and clear DTC by using scan tool if any.
3. Start engine and run it for 10 sec.
4. Check DTC by using scan tool.

DTC Troubleshooting

NOTE:
- Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to Precautions for DTC Troubleshooting.
- When DTC P0122 and P0222 are indicated together, it is possible that TP sensor power supply circuit is open.
- When DTC P0123 and P0223 are indicated together, it is possible that TP sensor power supply circuit is shorted to power circuit and / or TP sensor ground circuit is open.

Step 1-5: