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

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine / Trouble Codes.
5. 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 → GO TO DTC CHART 

A: Go to next step 

1. Connect Techstream to the DLC3.
   Fig 1: View Of Accelerator Pedal Depressed And Released Position

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2. Turn the engine switch on (IG) and turn the tester on.
3. Enter the following menus: Powertrain / Engine / Data List / Accel Sensor Out No. 1 and Accel Sensor Out No. 2.
4. Read the values displayed on the Techstream.

   Standard voltage

   Accelerator Pedal Operations	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 4.98 V

NG → See step   3 

OK → CHECK FOR INTERMITTENT PROBLEMS 

1. Replace accelerator pedal sensor assembly. Refer to REMOVAL .

NEXT: Go to next step 

1. Connect Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the tester on.
3. Clear DTCs. Refer to DTC CHECK / CLEAR .
4. Turn the engine switch off and wait for at least 30 seconds or more.
5. Turn the engine switch on (IG) and turn the Techstream on.
6. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern.
7. Enter the following menus: Powertrain / Engine / Trouble Codes.
8. Read DTCs.

   Result

   Display (DTC Output)	Proceed to
   P2121	A
   No output	B

B → END 

A → See step   5