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 the DTCs.
   RESULT
   
   

   Result	Refer 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 → Refer to step   7 

A: Refer to next step 

Fig 1: Identifying Reading Value On Accel Sensor Out No. 1 And Accel Sensor Out No. 2

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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 / 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	Difference between Accel Sensor Out No. 1 and Accel Sensor Out No. 2
   Released	0.5 to 1.1 V	1.2 to 2.0 V	0.4 to 1.2 V
   Depressed	2.6 to 4.5 V	3.4 to 5.0 V

   TEXT IN ILLUSTRATION
   
   

   *a	Depressed
   *b	Released

NG → Refer to step   3 

OK → Refer to step   6 

1. Replace the accelerator pedal rod assembly. Refer to REMOVAL .

NEXT: Refer to next step 

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

   Result	Refer to
   P2121 is output	A
   DTC is not output	B

B → END 

A → Refer to step   5