Circuit Description
WARNING: This page is about a different car, the 2000 Lexus LS 400. However, it is still accessible from the selected car via links, so may be relevant.
The TP sensor is a dual variable resistor sensor that monitors throttle opening and TP sensor malfunction. Based on the TP sensor signal, the ECM determines vehicle driving condition and adjusts air/fuel mixture accordingly. DTC is set when VTA and VTA2 circuit voltage on TP sensor is out of range for 2 seconds. Possible cause is:
- Faulty TP sensor.