P0222
DTC P0222: TP Sensor B Circuit Low VoltageNOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Check TP SENSOR A in the DATA LIST with the HDS.
Is there about 0.3 V or less?
YES - Go to step 4.
NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the throttle body and the throttle actuator control module.
4. Check for Temporary DTCs or DTCs with the HDS.
Are DTC P0122 and P0222 indicated at the same time?
YES - Check for, and repair any poor connections or loose terminals at the throttle body, the throttle actuator control module, and the PCM, then go to step 21. If the connections and terminals are OK, go to step 11.
NO - Go to step 5.
5. Turn the ignition switch OFF.
6. Disconnect the throttle body 6P connector.
7. Disconnect the C251 connector (13P) between the PCM subharness and the throttle actuator control module subharness.
8. Check for continuity between throttle body 6P connector terminal No. 3 and body ground.
Is there continuity?
YES - Repair short in the wire between the throttle body and the C251 connector (TPSB line), then go to step 21.
NO - Go to step 9.
9. Disconnect the throttle actuator control module 16P connector.
10. Check for continuity between C251 connector (13P) terminal No. 2 and body ground.
Is there continuity?
YES - Repair short in the wire between the throttle actuator control module and the C251 connector (TPSB line), then go to step 21.
NO - Substitute a known-good throttle actuator control module, then go to step 21 and recheck. If DTC P0222 is not indicated, replace the original throttle actuator control module, then go to step 21. If DTC P0222 is indicated, go to step 19.
11. Measure voltage between throttle body 6P connector terminal No. 2 and body ground.
Is there about 5 V
YES - Go to step 19.
NO - Go to step 12.
12. Turn the ignition switch OFF.
13. Disconnect the throttle body 6P connector.
14. Disconnect the C251 connector (13P) between the PCM subharness and the throttle actuator control module subharness.
15. Connect throttle body 6P connector terminal No. 2 to body ground with a jumper wire.
16. Check for continuity between C251 connector (13P) terminal No. 3 and body ground.
Is there continuity?
YES - Go to step 21.
NO - Repair open in the wire between the throttle body and the throttle actuator control module (VCC line), then go to step 21.
17. Disconnect the throttle actuator control module 16P connector.
18. Check for continuity between throttle actuator control module 16P connector terminal No. 11 and C251 connector (13P) terminal No. 3.
Is there continuity?
YES - Substitute a known-good throttle actuator control module, then go to step 21 and recheck. If DTC P0222 is not indicated, replace the original throttle actuator control module, then go to step 21. If DTC P0222 is indicated, go to step 19.
NO - Repair open in the wire between the throttle actuator control module (VCC line) and the C251 connector, then go to step 21.
19. Turn the ignition switch OFF.
20. Replace the throttle body.
21. Reconnect all connectors.
22. Turn the ignition switch ON (II).
23. Reset the PCM with the HDS.
24. Do the PCM idle learn procedure.
25. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC P0222 is indicated, check for poor connections or loose terminals at the throttle body and the throttle actuator control module, then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO - Troubleshooting is complete.