DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
5. Read DTCs.

   Result

   Result	Proceed to
   P2121	A
   P2121 and other DTCs	B

   HINT: 

   If any DTCs other than P2121 are output, troubleshoot those DTCs first.

B → See step   7 

A: Go to next step 

Fig 1: Identifying Depressed And Released Condition Of Accelerator Pedal

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1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine and ECT / Data List / Gas Throttle / Accel Sensor Out No. 1 and Accel Sensor Out No. 2.
5. Read the values displayed on the Techstream.

   Standard Voltage

   Accelerator Pedal Operation	Accel Sensor Out No. 1	Accel Sensor Out No. 2
   Fully Released	0.5 to 1.1 V	1.2 to 2.0 V
   Fully Depressed	2.6 to 4.5 V	3.4 to 4.75 V

NG → See step   3 

OK → See step   6 

1. Replace the accelerator pedal assembly. Refer to COMPONENTS .

NEXT: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Clear the DTCs. Refer to DTC CHECK / CLEAR .
5. Start the engine.
6. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern.
7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
8. Read DTCs.

   Result

   Result	Proceed to
   P2121	A
   No output	B

B → END 

A → See step   5