Circuit Description
WARNING: This page is about a different car, the 2003 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
For circuit description, see Circuit Description under DTCs P2120, P2122, P2123, P2125, P2127, P2128 & P2138. DTC is set when difference between VPA and VPA2 is out of threshold for 2 seconds and/or IDL is off. Possible causes are:
- Faulty accelerator pedal position sensor.
- Faulty ECM.