Circuit Description - DTC P1120 - Information Codes 104, 105, 107, 108: Notes

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

When using an OBD II scan tool other than TOYOTA hand-held tester, check all the steps.
When using TOYOTA hand-held tester, confirm the information code and check it.

The accelerator pedal position sensor mounted on the accelerator pedal has main and sub sensors and detects the accelerator pedal position and the malfunction of the accelerator position sensor itself.