DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance: Procedure
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2121)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
- Read the DTCs.
Result
Result Proceed to DTC P2121 is output A DTC P2121 and other DTCs are output B HINT:
If any DTCs other than P2121 are output, troubleshoot those DTCs first.
B → See step 7
A: Go to next step
- READ VALUE USING TECHSTREAM (ACCELERATOR POSITION SENSOR) See step 1
NG → See step 3
OK → See step 6
- REPLACE ACCELERATOR PEDAL ROD ASSEMBLY
- Replace the accelerator pedal rod assembly. Refer to REMOVAL .
NEXT: Go to next step
- CHECK WHETHER DTC OUTPUT RECURS (ACCELERATOR PEDAL POSITION SENSOR DTCS)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Clear DTCs. Refer to DTC CHECK / CLEAR .
- Start the engine.
- Allow the engine to idle for 15 seconds.
- Fully depress and release the accelerator pedal several times quickly.
- Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
- Read the DTCs.
Result
Result Proceed to DTC P2121 is output A DTC is not output B
B → END
A → See step 5
- REPLACE ECM. Refer to REMOVAL
- CHECK FOR INTERMITTENT PROBLEMS. Refer to CHECK FOR INTERMITTENT PROBLEMS
- GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART