DTC P0220-11: Throttle/Pedal Position Sensor/Switch "B" Circuit Short to Ground [09/2023 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
- READ VALUE USING GTS (THROTTLE POSITION SENSOR NO. 2 VOLTAGE)
- Read the values displayed on the GTS.
Powertrain > Engine > Data List
Tester Display Throttle Position Sensor No. 2 Voltage - Disconnect the throttle body with motor assembly connector.
- Compare the value of the Data List item Throttle Position Sensor No. 2 Voltage after disconnecting the throttle body with motor assembly connector to the value when the connector was connected.
Result
Result Proceed to Changes from less than 2.05 V to higher than 4.75 V A Does not change from less than 2.05 V B
Result:
A
REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY (THROTTLE WITH THROTTLE POSITION SENSOR BODY ASSEMBLY). Refer to REMOVAL [09/2023 - ]
Result:
B
See step 2
- Read the values displayed on the GTS.
- CHECK HARNESS AND CONNECTOR (THROTTLE POSITION SENSOR - ECM)
Pre-procedure1
- Disconnect the throttle body with motor assembly connector.
- Disconnect the ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition Result C10-2 (VC) - C26-109 (VCTA) Always Below 1 Ω Ω C10-3 (VTA2) or C26-87 (VTA2) - Body ground Always 10 kΩ or higher kΩ Result
Proceed to OK NG
Post-procedure1
- None
Result:
OK
REPLACE ECM. Refer to REMOVAL [09/2023 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR