General Information

Engine Control
P0223 Throttle Position Sensor 2 Signal Circuit High Input - General Information

Component Location





General Description

The Electronic Throttle Control (ETC) system consists of the throttle body, Throttle Position Sensor (TPS) 1 & 2 and Accelerator Position Sensor (APS) 1 & 2. TPS 1 & 2 share the same source voltage and ground. The ECM controls the throttle motor to open and close the throttle valve. The TPS1 output voltage increases in proportion with the throttle valve opening angle after starting. TPS2 output voltage decreases in proportion with the throttle valve opening angle after starting. The TPS provides feedback to the ECM to control the throttle motor in response to the APS.

DTC Description

ECM monitors output signal from TPS2 every 8.5 seconds. If an output signal is above 4.75V for more than 0.1 seconds, the ECM sets a P0223 DTC.

DTC Detecting Condition





Specification





Diagnostic Circuit Diagram





Signal Waveform & Data












Fig.1) Normal data and waveform of TPS1 & TPS2 with depressing accel. pedal.
Fig.2) Normal data and waveform of TPS1 & TPS2 with pressing accel. pedal.
Fig. 3) Abnormal data of TPS1 & TPS2 with connector disconnected condtion.