## DTC Troubleshooting: P0223 (7)

DTC P0223: | TP Sensor B Circuit High Voltage

1. | Turn the ignition switch ON (II).

2. | Check the TP SENSOR-B in the DATA LIST with the HDS. Is there about 80° (REL), 100 % (REL), or 4.88 V or higher when the throttle is fully closed? YES - Go to 3. NO - Intermittent failure, system is OK at this time.Check for poor connections or loose terminals at the TP sensor B and the ECM.n

3. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Are DTC P0123 and P0223 indicated at the same time? YES - Go to 4. NO - Go to 7.

4. | Turn the ignition switch OFF.

5. | Disconnect the throttle body 6P connector.

6. | Check for continuity between the throttle body 6P connector terminal No. 2 and body ground. Is there continuity? YES - Go to 7. NO - Repair open in the wire between the ECM connector No. 3 terminal No. 48 (test pin box terminal No. 77) and the TP sensor B, then go to 13.

7. | Turn the ignition switch OFF.

8. | Disconnect the throttle body 6P connector.

9. | Turn the ignition switch ON (II).

10. | Check the TP SENSOR-B in the DATA LIST with the HDS. Is there about 80° (REL), 100 % (REL), or 4.88 V or higher when the throttle is fully closed? YES - Go to 18. NO - Go to 11.

11. | Turn the ignition switch OFF.

12. | Replace the throttle body.

13. | Reconnect all connectors.

14. | Turn the ignition switch ON (II).

15. | Do the ECM RESET in the CLEAR MENU with the HDS.

16. | Do the ETCS learn procedure.

17. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Are any Temporary DTCs or DTCs indicated? YES - If DTC P0223 is indicated, check for poor connections or loose terminals at the TP sensor B and the ECM, then go to 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting. NO - Troubleshooting is complete.n

18. | Substitute a known-good ECM.

19. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Are any Temporary DTCs or DTCs indicated? YES - If DTC P0223 is indicated, check for poor connections or loose terminals at the TP sensor B and the ECM, then go to 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting. NO - Replace the original ECM.