DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance [08/2015 - ]: Procedure
- CHECK FOR 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 Code.
- Read DTCs.RESULT
Display (DTC Output) Proceed to P2121 A P2121 and other DTCs B HINT:
If any DTCs other than P2121 are output, troubleshoot those DTCs first.
Result:
B
GO TO DTC CHART
(Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2015 - 08/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2019 - ] )
Result:
A
See step 2
- READ VALUE USING TECHSTREAM (ACCEL SENSOR OUT NO. 1 AND ACCEL SENSOR OUT NO. 2)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON and turn the Techstream on.
- Enter the following menus: Powertrain / Engine and ECT / Data List / Accel Sensor Out No. 1 and Accel Sensor Out No. 2.
- 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 More than 0.02 V Depressed 2.6 to 4.5 V 3.4 to 4.75 V TEXT IN ILLUSTRATION*a Depressed *b Released
Result:
OK
CHECK FOR INTERMITTENT PROBLEMS
(Refer to CHECK FOR INTERMITTENT PROBLEMS [08/2015 - ] )
Result:
NG
See step 3
- REPLACE ACCELERATOR PEDAL SENSOR ASSEMBLY
- Replace the accelerator pedal sensor assembly (Refer to REMOVAL [08/2015 - ] ).
Result:
NEXT
See step 4
- CHECK WHETHER DTC OUTPUT RECURS (DTC P2121)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON and turn the Techstream on.
- Clear DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] , or refer to DTC CHECK / CLEAR [08/2019 - ] ).
- Start the engine.
- Allow the engine to idle for 15 seconds.
- Enter the following menus: Powertrain / Engine and ECT / Trouble Code.
- Read DTCs.RESULT
Display (DTC Output) Proceed to P2121 A No output B
Result:
A
REPLACE ECM
(Refer to REMOVAL [08/2015 - ] )
Result:
B
SYSTEM OK