DTC P0120-11: Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Ground [11/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine / Data List / Throttle Position Sensor No. 1 Voltage.

   Powertrain > Engine > Data List 

   Tester Display
   Throttle Position Sensor No. 1 Voltage

5. Read the values displayed on the Techstream.
6. Disconnect the throttle body assembly connector.
7. Compare the value of the Data List item Throttle Position Sensor No. 1 Voltage after disconnecting the throttle body assembly connector to the value when the connector was connected.

   Result

   Result	Proceed to
   Changes from less than 0.56 V to higher than 4.535 V	A
   Does not change from less than 0.56 V	B

   HINT: 

   Perform "Inspection After Repair" after replacing the throttle body assembly.

   Refer to INITIALIZATION [11/2015 - ]

Result: 

A 

REPLACE THROTTLE BODY ASSEMBLY. Refer to  REMOVAL [11/2015 - ] 

Result: 

B 

See step  2

1. Disconnect the throttle body assembly connector.
2. Disconnect the ECM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   (C4, C31)

   (C4)

   (C31)

   Tester Connection	Condition	Specified Condition
   C4-5 (VC) - C31-134 (VCTA)	Always	Below 1 Ω
   C4-6 (VTA) or C31-135 (VTA1) - Body ground and other terminals	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [11/2015 - 12/2018]  , or refer to  REMOVAL [12/2018 - 07/2020]  , or refer to  REMOVAL [07/2020 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR