DTC Troubleshooting

DTC Troubleshooting: P2135

DTC P2135: TP Sensor A/B Incorrect Voltage Correlation

CAUTION
Do not insert your fingers into the installed throttle body when you turn the ignition switch to ON (II) or while the ignition switch is ON (II). If you do, you will seriously injure your fingers if the throttle valve is activated.

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information. Initial Inspection and Diagnostic Overview

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

2. Clear the DTC with the HDS.

3. Do the ETCS TEST in the INSPECTION MENU with the HDS.

4. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P2135 indicated?
YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the throttle body and the throttle actuator control module.


5. Turn the ignition switch to LOCK (0).

6. Disconnect the intake air duct from the throttle body. Removal and Replacement

7. Turn the ignition switch to ON (II).

8. Visually check the throttle valve operation while you clear the DTC with the HDS.

Does the valve temporarily move to its fully closed position?
YES - Go to step 14.

NO - Go to step 9.


9. Turn the ignition switch to LOCK (0).

10. Disconnect the throttle actuator control module 16P connector. Service and Repair

11. Check for continuity between throttle actuator control module 16P connector terminals No. 10 and No. 12.

Is there continuity?
YES - Go to step 12.

NO - Substitute a known-good throttle actuator control module, Service and Repair then go to step 16 and recheck.If DTC P2135 is not indicated, replace the original throttle actuator control module, Service and Repair then go to step 16.






12. Disconnect the throttle body 6P connector.

13. Check for continuity between throttle actuator control module 16P connector terminals No. 10 and No. 12.

Is there continuity?
YES - Repair short in the wires between the TPSA line and the TPSB line, then go to step 16.

NO - Go to step 14.






14. Turn the ignition switch to LOCK (0).

15. Replace the throttle body. Removal and Replacement

16. Reconnect all connectors.

17. Turn the ignition switch to ON (II).

18. Reset the ECM with the HDS.

19. Do the ECM idle learn procedure. ECM Idle Learn Procedure

20. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P2135 indicated?
YES - Check for poor connections or loose terminals at the throttle body and the throttle actuator control module, then go to step 1.

NO - Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.