General Information

Engine Control
P2135 Throttle Position Sensor 1 & 2 Signal Voltage Correlation - 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. TPS1&2 are sharing the same source voltage and ground. The PCM controls the throttle motor to open and close the throttle valve. The TPS1 output voltage increases smoothly in proportion with the throttle valve opening angle after starting. TPS2 output voltage decreases in inverse proportion with the throttle valve opening angle after starting. The TPS provides feedback to the PCM to control the throttle motor in order to control the throttle valve opening angle properly in response to the driver's demands.

DTC Description

Checking output signals from TPS 1 and 2 under detecting condition, if output signals difference between TPS1 and TPS2 are detected more than 8% for the specified number of times., PCM sets P2135.

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.