DTC P2111: Throttle Actuator Control System - Stuck Open; DTC P2112: Throttle Actuator Control System - Stuck Closed: Procedure
WARNING: This page is about a different car, the 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2111 or P2112)
- Connect Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the tester on.
- Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
- Read DTCs.
Result
Display (DTC Output) Proceed to P2111 or P2112 A P2111 or P2112 and other DTCs B HINT:
If any DTCs other than P2111 or P2112 are output, troubleshoot those DTCs first.
B → GO TO DTC CHART
A: Go to next step
- INSPECT THROTTLE BODY (VISUALLY CHECK THROTTLE VALVE)
- Check for contamination between the throttle valve and the housing. If necessary, clean the throttle body. And check that the throttle valve moves smoothly.
OK
Throttle valve is not contaminated with foreign objects and moves smoothly.
NG → REPLACE THROTTLE BODY
OK: Go to next step
- Check for contamination between the throttle valve and the housing. If necessary, clean the throttle body. And check that the throttle valve moves smoothly.
- CHECK WHETHER DTC OUTPUT RECURS (DTC P2111 OR P2112)
- Connect Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the tester on.
- Clear DTCs. Refer to DTC CHECK / CLEAR .
- Start the engine, and fully depress and release the accelerator pedal quickly (to fully open and close the throttle valve).
- Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
- Read DTCs.
Result
Display (DTC Output) Proceed to No DTC A P2111 or P2112 B
B → REPLACE ECM
A → CHECK FOR INTERMITTENT PROBLEMS