DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance [07/2015 - ]: Procedure

CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2121)

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.

Result: B

GO TO DTC CHART

Result: A

See step 2

READ VALUE USING TECHSTREAM (ACCEL SENSOR OUT)

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Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.
Enter the following menus: Powertrain / Engine / Data List / Gas Throttle / 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
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

TEXT IN ILLUSTRATION

*a	Fully Depressed
*b	Fully Released

Result: OK

CHECK FOR INTERMITTENT PROBLEMS

Result: NG

See step 3

CHECK WHETHER DTC OUTPUT RECURS (DTC P2121)

Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.
Clear the DTCs (Refer to DTC CHECK / CLEAR [07/2015 - ] ).
Turn the engine switch off and wait for at least 30 seconds.
Turn the engine switch on (IG) and turn the Techstream on.
Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
Enter the following menus: Powertrain / Engine / Trouble Codes.

Read the DTCs.

RESULT

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

Result: A

REPLACE ECM

Result: B

END